Full RespOrg directory
Every Responsible Organization in the toll-free registry, sorted by active inventory. 480 RespOrgs · 48,461,381 active numbers · snapshot 2026-04.
| # | Code | Name | Active numbers | Vanity % | Median age (months) |
|---|---|---|---|---|---|
| 1 | JY | Bandwidth | 6,784,534 | 15.6% | 17 |
| 2 | TW | Twilio | 5,440,028 | 11.2% | 41 |
| 3 | VZ | Verizon Business | 4,538,119 | 14.1% | 171 |
| 4 | MY | Mayfair Communication | 3,902,263 | 38.6% | 41 |
| 5 | AT | AT&T | 2,160,197 | 16.8% | 148 |
| 6 | SO | Signal One | 1,882,807 | 21.0% | 74 |
| 7 | MT | Toll Free Management | 1,451,560 | 10.0% | 4 |
| 8 | YV | Invoca | 1,288,605 | 9.6% | 54 |
| 9 | LQ | Inteliquent | 1,283,496 | 12.5% | 26 |
| 10 | QC | 382 Communications | 875,218 | 11.7% | 1 |
| 11 | QI | Telnyx | 868,260 | 9.2% | 10 |
| 12 | KS | Lumen Technologies | 707,713 | 17.3% | 93 |
| 13 | IU | Interactive RespOrg Management | 691,988 | 16.0% | 2 |
| 14 | RB | RingCentral | 668,689 | 20.5% | 1 |
| 15 | AU | ATL Communications | 642,516 | 14.2% | 41 |
| 16 | EF | Pestilence Labs LLC | 623,345 | 8.0% | 4 |
| 17 | OU | CallSource | 604,844 | 17.4% | 36 |
| 18 | TZ | Amazon.com | 598,289 | 12.1% | 32 |
| 19 | QY | Inteliquent | 556,242 | 16.2% | 46 |
| 20 | FP | Opentext | 538,384 | 14.0% | 138 |
| 21 | BP | Five 9, Inc. | 510,423 | 14.6% | 19 |
| 22 | GD | ANI Networks | 473,307 | 14.9% | 12 |
| 23 | JF | Inteliquent | 452,569 | 13.7% | 77 |
| 24 | JW | WireStar | 448,964 | 37.8% | 40 |
| 25 | EU | TELUS Corporation | 407,967 | 15.4% | 123 |
| 26 | IW | Call8 | 403,344 | 17.8% | 19 |
| 27 | FO | Flotrax | 401,965 | 16.3% | 21 |
| 28 | ZX | Haven Partners | 368,350 | 51.5% | 18 |
| 29 | OT | Vonage | 303,332 | 16.1% | 47 |
| 30 | LG | Lumen Technologies | 266,620 | 20.8% | 128 |
| 31 | BC | Incontact | 266,052 | 13.8% | 52 |
| 32 | GA | Comet Media | 261,305 | 17.8% | 12 |
| 33 | HL | Unilink Telcom | 244,094 | 47.1% | 40 |
| 34 | HB | HFA Holdings | 230,237 | 10.6% | 2 |
| 35 | NA | National Sales Partners | 201,538 | 15.7% | 2 |
| 36 | RL | Rogers Communications | 200,967 | 18.5% | 133 |
| 37 | NX | Verizon | 184,820 | 18.1% | 219 |
| 38 | CN | Bell Canada | 184,158 | 22.3% | 101 |
| 39 | CB | Crossbow Telecom | 181,478 | 35.9% | 40 |
| 40 | YL | Yorkshire Telecom | 178,756 | 24.3% | 41 |
| 41 | GO | Google Voice | 163,269 | 18.2% | 103 |
| 42 | JE | Sinch | 156,544 | 14.5% | 24 |
| 43 | WL | BCM One | 155,767 | 16.8% | 45 |
| 44 | PN | Peerless Network | 151,269 | 16.6% | 35 |
| 45 | LE | Intelepeer | 147,958 | 16.2% | 33 |
| 46 | DL | BH Telecom | 142,668 | 23.9% | 20 |
| 47 | ID | Brightlink | 141,389 | 14.6% | 14 |
| 48 | TU | Excel Telecommunications | 132,099 | 8.9% | 1 |
| 49 | HV | Call Haven | 124,633 | 31.7% | 23 |
| 50 | JT | Comcast | 120,319 | 23.2% | 114 |
| 51 | RO | Rolinium | 104,736 | 57.3% | 142 |
| 52 | BR | Somos Help Desk | 101,804 | 1.1% | 45 |
| 53 | RS | AccessLine | 100,789 | 19.5% | 39 |
| 54 | HT | Beta Texting | 100,599 | 38.9% | 67 |
| 55 | VN | thinQ | 99,332 | 15.8% | 27 |
| 56 | KO | Call Delivery Systems | 96,049 | 53.0% | 104 |
| 57 | VT | Veracity | 95,807 | 14.3% | 20 |
| 58 | JN | Interactivetel | 92,733 | 15.6% | 48 |
| 59 | BE | Verizon Communications | 88,163 | 29.1% | 232 |
| 60 | QT | TouchTone | 84,044 | 15.2% | 6 |
| 61 | ND | NumberBarn | 82,249 | 55.0% | 4 |
| 62 | IY | Intelemedia | 79,905 | 9.8% | 78 |
| 63 | AW | AT&T Long Distance | 74,952 | 27.3% | 219 |
| 64 | ZY | Dialpad | 74,744 | 18.4% | 21 |
| 65 | HR | Teltana | 74,011 | 75.3% | 142 |
| 66 | IG | Genesys Telecom | 71,270 | 16.0% | 25 |
| 67 | HP | Inteliquent | 70,699 | 21.6% | 49 |
| 68 | TP | VoIP Innovations | 68,694 | 20.5% | 17 |
| 69 | NU | Navigata | 66,868 | 18.1% | 62 |
| 70 | PJ | Independent Resporg | 66,121 | 17.2% | 5 |
| 71 | LL | Plivo | 64,067 | 9.8% | 42 |
| 72 | OM | Intrado Communications | 63,757 | 13.1% | 22 |
| 73 | NR | NOS Communications | 61,155 | 21.7% | 2 |
| 74 | ZP | Zipline | 60,861 | 43.7% | 40 |
| 75 | BU | Bluekey Communications | 58,803 | 32.8% | 40 |
| 76 | HH | Serenova | 58,691 | 6.1% | 5 |
| 77 | BA | Beckham Telecom | 58,681 | 41.3% | 11 |
| 78 | XN | Nuwave | 54,414 | 11.5% | 14 |
| 79 | PI | PrimeTel | 54,185 | 36.1% | 40 |
| 80 | LF | LiveVox | 52,682 | 11.2% | 29 |
| 81 | LS | LeaseHawk | 51,018 | 8.9% | 119 |
| 82 | IP | IDT Corporation | 50,262 | 15.2% | 15 |
| 83 | NT | Nextway Communications | 47,886 | 40.8% | 26 |
| 84 | XX | United2 | 47,368 | 11.2% | 92 |
| 85 | FV | Toll Free Express | 46,947 | 38.6% | 8 |
| 86 | QU | QuestBlue Systems, Inc | 45,763 | 10.6% | 33 |
| 87 | KD | Airespring | 44,519 | 13.2% | 18 |
| 88 | BH | Beacon Communications | 41,101 | 14.2% | 5 |
| 89 | NS | Network Telephone Services | 40,906 | 49.4% | 75 |
| 90 | VM | Grasshopper | 39,669 | 58.6% | 13 |
| 91 | GI | Tata Communications Canada Ltd. | 39,413 | 14.7% | 31 |
| 92 | NV | Magna5 | 38,719 | 11.4% | 53 |
| 93 | IF | CallFire | 36,875 | 10.0% | 70 |
| 94 | JQ | Callture | 35,835 | 39.5% | 64 |
| 95 | FL | Frontier | 34,451 | 27.2% | 108 |
| 96 | RZ | RouteTrust | 34,084 | 23.9% | 7 |
| 97 | AY | Trevica, LLC /Vaco | 33,611 | 51.7% | 80 |
| 98 | ET | Express Scripts | 33,281 | 15.4% | 47 |
| 99 | YU | NobelBiz | 31,802 | 14.5% | 61 |
| 100 | QE | Cox Communications | 31,535 | 25.3% | 81 |
| 101 | II | Ignite | 30,008 | 3.1% | 36 |
| 102 | WK | Granite Tel | 28,220 | 18.9% | 105 |
| 103 | FZ | VBI | 27,920 | 34.1% | 8 |
| 104 | XB | THE Telco | 27,916 | 60.4% | 110 |
| 105 | VX | Voxeo Corp | 27,223 | 16.3% | 10 |
| 106 | SW | Science West Services | 27,029 | 49.6% | 70 |
| 107 | NJ | Number Prospectors | 26,831 | 11.5% | 1 |
| 108 | XZ | TSG Global | 26,490 | 10.6% | 26 |
| 109 | IN | Lumen Technologies | 25,242 | 19.0% | 132 |
| 110 | CR | Coore, Inc. | 25,054 | 65.9% | 99 |
| 111 | BK | Bulk Solutions, LLC | 24,466 | 41.8% | 38 |
| 112 | GT | Verizon | 24,365 | 29.1% | 232 |
| 113 | PG | PNG | 23,673 | 14.1% | 15 |
| 114 | SL | 7G Network | 23,603 | 18.8% | 80 |
| 115 | QZ | Resporgs.com | 23,167 | 58.3% | 23 |
| 116 | AX | CallTower | 23,152 | 23.6% | 30 |
| 117 | RY | Flotrax | 22,146 | 28.3% | 10 |
| 118 | LP | 800 Response | 21,951 | 33.7% | 3 |
| 119 | TX | Tiny Planet | 21,860 | 69.1% | 83 |
| 120 | UW | Qwest | 21,757 | 17.2% | 191 |
| 121 | KI | USA Digital Communications | 21,701 | 14.5% | 11 |
| 122 | UZ | Unitel | 21,612 | 39.8% | 18 |
| 123 | FQ | Telcoline | 21,549 | 13.4% | 2 |
| 124 | PB | Primus | 21,461 | 22.2% | 4 |
| 125 | XH | ISP TELECOM | 20,804 | 33.0% | 36 |
| 126 | VL | Birch Communications | 20,295 | 17.2% | 32 |
| 127 | UF | Telesmart | 19,652 | 62.6% | 79 |
| 128 | DB | Cincinnati Bell | 19,516 | 20.1% | 17 |
| 129 | YA | BT Americas | 19,345 | 21.6% | 42 |
| 130 | LK | Lincoln Communications Group | 18,800 | 39.3% | 6 |
| 131 | OF | Intermetro Communications | 18,785 | 17.8% | 9 |
| 132 | SG | NTT Cloud | 18,590 | 19.4% | 40 |
| 133 | GF | Televergence Solutions, Inc. | 17,651 | 12.9% | 96 |
| 134 | GE | Fibernetics | 17,613 | 28.9% | 54 |
| 135 | PL | Pilgrim Telephone | 16,597 | 42.2% | 170 |
| 136 | ME | MetTel | 16,560 | 14.1% | 19 |
| 137 | AB | Flotrax | 16,421 | 27.0% | 7 |
| 138 | UL | Lumen Technologies | 15,484 | 17.3% | 130 |
| 139 | EY | Cablevision Lightpath | 15,212 | 29.8% | 60 |
| 140 | HX | Hawaiian Telcom | 14,836 | 19.0% | 238 |
| 141 | IT | Iristel | 14,163 | 35.8% | 16 |
| 142 | SS | KCG LLC | 14,130 | 12.6% | 2 |
| 143 | OQ | Flotrax | 13,884 | 25.4% | 7 |
| 144 | WD | Nation Wide 800 | 13,757 | 22.6% | 6 |
| 145 | VE | Nex Vortex | 13,620 | 23.2% | 1 |
| 146 | IX | Lumen Technologies | 13,357 | 12.3% | 55 |
| 147 | MN | Communication Management Services | 13,289 | 22.8% | 2 |
| 148 | QV | Teleperformance | 13,061 | 5.7% | 93 |
| 149 | OD | Flotrax | 12,561 | 23.1% | 7 |
| 150 | VI | Virtual Communication Services Inc. | 12,369 | 23.6% | 6 |
| 151 | HU | Flotrax | 12,251 | 24.9% | 7 |
| 152 | AO | Amrigon Inc. | 12,214 | 25.5% | 6 |
| 153 | YW | YTel | 12,162 | 18.4% | 1 |
| 154 | FS | Futurecom Teleservices | 12,142 | 21.1% | 7 |
| 155 | XQ | TollXchange | 11,571 | 11.1% | 3 |
| 156 | QO | ParkHill Telecom LLC | 11,545 | 24.4% | 6 |
| 157 | GQ | Gullwing Media | 11,442 | 21.2% | 3 |
| 158 | GW | Digitorzo llc | 11,271 | 8.3% | 1 |
| 159 | CE | RCN | 11,269 | 22.8% | 49 |
| 160 | DW | AVOXI | 11,263 | 24.8% | 19 |
| 161 | HA | VanityNumbersDirect | 11,126 | 25.5% | 6 |
| 162 | JD | Flotrax | 10,999 | 24.1% | 7 |
| 163 | BG | The Business Edge Group | 10,850 | 65.0% | 36 |
| 164 | PY | Fractel | 10,352 | 12.5% | 27 |
| 165 | XR | SMARTTEL | 10,247 | 89.5% | 13 |
| 166 | AJ | 800.COM | 10,181 | 1.1% | 62 |
| 167 | VW | Voiceinc.com | 10,083 | 7.3% | 45 |
| 168 | US | TDS Metrocom | 9,816 | 21.2% | 143 |
| 169 | RU | World Wide Telegraph | 9,711 | 17.7% | 22 |
| 170 | HO | Sigecom | 9,604 | 21.9% | 119 |
| 171 | CX | Charles Schwab & Co. Inc | 9,008 | 17.1% | 50 |
| 172 | RR | Astro Telco | 9,000 | 22.8% | 4 |
| 173 | FU | Full Spectrum | 8,702 | 12.8% | 55 |
| 174 | VA | Vanity International | 8,479 | 72.4% | 70 |
| 175 | LY | Lynx Telecom | 7,890 | 78.8% | 32 |
| 176 | QK | ASD INC | 7,761 | 15.1% | 11 |
| 177 | LR | 123.Net | 7,756 | 23.7% | 104 |
| 178 | NN | OnNet | 7,666 | 8.0% | 1 |
| 179 | XV | Softline Studios | 7,612 | 56.9% | 79 |
| 180 | TS | Telcom Affiliates | 7,570 | 56.4% | 79 |
| 181 | RE | Telex | 7,560 | 72.5% | 79 |
| 182 | YH | 800ForAll | 7,498 | 13.0% | 2 |
| 183 | MJ | Micktel Corp | 7,247 | 80.1% | 236 |
| 184 | XS | Global Telecom and Technology (GTT) | 6,994 | 22.5% | 46 |
| 185 | UA | U.S. South Communications | 6,894 | 18.7% | 26 |
| 186 | IV | XO Communications | 6,860 | 12.8% | 102 |
| 187 | HD | Line Systems | 6,843 | 25.3% | 83 |
| 188 | EJ | DIPVTEL | 6,738 | 12.3% | 1 |
| 189 | OA | OnCall RespOrg Svcs | 6,383 | 49.4% | 106 |
| 190 | JM | Talkroute.com | 6,357 | 28.6% | 30 |
| 191 | OS | Proximiti Communications | 6,293 | 12.4% | 137 |
| 192 | RH | Porting.com DBA ATLaaS | 5,999 | 17.2% | 48 |
| 193 | BD | Bellsouth LD | 5,837 | 25.8% | 56 |
| 194 | BI | Voce Telecom | 5,785 | 18.6% | 47 |
| 195 | BW | Bivouac Networks LLC | 5,198 | 5.8% | 46 |
| 196 | AM | AT&T | 5,098 | 17.6% | 34 |
| 197 | TE | Telengy | 5,090 | 41.7% | 104 |
| 198 | UR | Zultys | 5,052 | 20.8% | 3 |
| 199 | ES | All8series | 5,032 | 6.1% | 14 |
| 200 | YT | Number Access | 4,938 | 16.0% | 38 |
| 201 | PD | IPtelX | 4,830 | 13.1% | 47 |
| 202 | GY | Globalgig | 4,748 | 19.3% | 2 |
| 203 | RM | Wimactel | 4,574 | 18.3% | 247 |
| 204 | EI | MAP Communications, Inc | 4,571 | 15.8% | 5 |
| 205 | VS | Voxtelesys | 4,532 | 21.5% | 15 |
| 206 | GC | GCI Com | 4,481 | 26.3% | 176 |
| 207 | DE | Suddenlink | 4,336 | 21.5% | 103 |
| 208 | GR | Alliance Group | 4,299 | 21.1% | 110 |
| 209 | QA | Virtual PBX | 4,298 | 8.9% | 136 |
| 210 | FM | First Media Group | 4,177 | 21.4% | 132 |
| 211 | EM | Advanced Communications Solutions | 4,073 | 9.5% | 37 |
| 212 | WF | The Boulevard Entertainment | 3,943 | 62.3% | 75 |
| 213 | OL | Orange Business Services | 3,927 | 27.5% | 69 |
| 214 | BF | Big River Telephone LLC | 3,869 | 30.5% | 47 |
| 215 | TB | OnSolve | 3,760 | 31.3% | 54 |
| 216 | AD | Alcazar Networks, Inc. | 3,547 | 17.8% | 6 |
| 217 | PH | The Phone Edge | 3,535 | 82.3% | 53 |
| 218 | UO | Utility Telephone | 3,522 | 20.6% | 91 |
| 219 | IS | Aureon | 3,509 | 25.7% | 104 |
| 220 | KJ | Astro Companies | 3,364 | 26.9% | 68 |
| 221 | WO | Word of Mouth | 3,236 | 90.7% | 58 |
| 222 | VJ | Custom Teleconnect | 3,222 | 13.7% | 233 |
| 223 | PA | Paytana | 3,198 | 50.0% | 117 |
| 224 | MC | MCI | 3,103 | 0.0% | 126 |
| 225 | EE | Advanced Tel | 3,071 | 21.2% | 183 |
| 226 | RI | Apeiron | 3,036 | 21.9% | 17 |
| 227 | PC | Pacific Bell | 3,026 | 21.4% | 18 |
| 228 | TM | T-Mobile | 2,966 | 20.9% | 69 |
| 229 | CH | Convirza | 2,924 | 24.1% | 12 |
| 230 | NL | XO | 2,916 | 18.3% | 77 |
| 231 | KT | Telzio | 2,895 | 13.8% | 73 |
| 232 | WT | Telecom House | 2,894 | 29.2% | 127 |
| 233 | SH | SBC | 2,864 | 16.0% | 222 |
| 234 | QX | Private National Mortgage Acceptance Co | 2,804 | 15.0% | 8 |
| 235 | MD | BluIP | 2,676 | 22.6% | 69 |
| 236 | QD | TollFreePhone.com | 2,629 | 75.5% | 46 |
| 237 | DH | Windstream-Fairport | 2,398 | 19.0% | 58 |
| 238 | IK | XIP Services Inc. | 2,369 | 32.0% | 149 |
| 239 | KM | Knot Networks | 2,164 | 16.5% | 11 |
| 240 | PX | TelNet Worldwide | 2,061 | 25.4% | 82 |
| 241 | OH | CareSource | 2,019 | 50.1% | 105 |
| 242 | BB | Toll-Less.com | 2,010 | 95.1% | 140 |
| 243 | YG | Ziply Fiber LLC | 1,976 | 27.2% | 71 |
| 244 | SA | SAVE 800 | 1,932 | 25.6% | 107 |
| 245 | LI | POPP.com | 1,846 | 37.4% | 109 |
| 246 | DI | DC Communications | 1,752 | 40.1% | 82 |
| 247 | VY | VCOM Solutions | 1,693 | 25.5% | 163 |
| 248 | UD | Lightyear Network Solutions | 1,634 | 2.4% | 5 |
| 249 | KZ | SoVerNet | 1,606 | 25.7% | 71 |
| 250 | WC | Vertex Communications Corporation | 1,596 | 34.7% | 22 |
| 251 | KL | Transaction Network Services | 1,560 | 14.7% | 85 |
| 252 | NB | FirstLight Fiber | 1,550 | 25.5% | 136 |
| 253 | AR | iconectiv | 1,549 | 61.5% | 88 |
| 254 | RP | Telescan | 1,544 | 13.0% | 56 |
| 255 | LA | ATT Mobility Puerto Rico | 1,524 | 20.3% | 35 |
| 256 | FB | Beanfield Tech | 1,490 | 22.7% | 41 |
| 257 | GV | VOBRE | 1,421 | 15.5% | 46 |
| 258 | BS | AT&T | 1,387 | 19.9% | 126 |
| 259 | OJ | Cbeyond Inc. | 1,364 | 14.4% | 76 |
| 260 | IM | Integra Telecom | 1,357 | 15.6% | 72 |
| 261 | JS | Lumen Technologies | 1,284 | 10.8% | 35 |
| 262 | MS | Verint Americas Inc. | 1,259 | 17.2% | 76 |
| 263 | MQ | Misc Etc | 1,251 | 74.2% | 58 |
| 264 | TH | The Phone Works | 1,244 | 57.0% | 142 |
| 265 | AG | Ancestry | 1,176 | 9.5% | 84 |
| 266 | TJ | TeleServices | 1,142 | 91.4% | 88 |
| 267 | PP | Phoenix Managed Networks | 1,128 | 16.0% | 43 |
| 268 | VB | Voipwalker | 1,113 | 31.3% | 111 |
| 269 | AA | AT&T Alascom | 1,103 | 29.1% | 219 |
| 270 | WN | Warning Communications | 1,098 | 77.1% | 185 |
| 271 | TK | NetFortris | 1,090 | 20.5% | 172 |
| 272 | TV | TetraVOX | 1,057 | 92.5% | 158 |
| 273 | EP | iconectiv | 1,054 | 17.9% | 90 |
| 274 | XW | Worldwide Telecomm | 1,013 | 17.2% | 54 |
| 275 | FK | Stratus Networks | 989 | 27.4% | 46 |
| 276 | PE | Opex | 986 | 42.3% | 138 |
| 277 | MO | Monmouth Tel | 961 | 32.1% | 58 |
| 278 | BO | Teligence US Inc. | 947 | 31.6% | 233 |
| 279 | CJ | Cooperative | 946 | 38.6% | 35 |
| 280 | PZ | Telepacific | 935 | 6.5% | 71 |
| 281 | EA | AT&T Local | 925 | 25.7% | -862 |
| 282 | PR | Puerto Rico Tel | 905 | 18.5% | 153 |
| 283 | QG | Telecom One | 891 | 25.6% | 32 |
| 284 | NE | Teliax | 866 | 25.5% | 67 |
| 285 | JJ | Commercial LT Baroda | 845 | 20.4% | 24 |
| 286 | WA | Wide Voice | 837 | 18.0% | 9 |
| 287 | WU | Wake Up Inc | 806 | 54.5% | 232 |
| 288 | NY | COA Network | 805 | 26.7% | 70 |
| 289 | XM | RA Outdoors | 797 | 26.2% | 104 |
| 290 | OB | Infinite Conferencing | 772 | 14.9% | 87 |
| 291 | WE | WesTel | 746 | 14.8% | 54 |
| 292 | DY | Bulletins | 723 | 47.3% | 13 |
| 293 | HC | National ComTel | 718 | 27.7% | 219 |
| 294 | KV | VoiceSaver | 702 | 21.0% | 4 |
| 295 | KH | Unavo | 684 | 19.6% | 61 |
| 296 | TG | BCN TELECOM | 683 | 29.4% | 156 |
| 297 | JG | Double Eagle Communication | 626 | 17.4% | 44 |
| 298 | EZ | Independent Resporg | 611 | — | — |
| 299 | IO | Iowa Comm Network | 584 | 28.5% | 7 |
| 300 | FT | Fusion Networks | 551 | 27.6% | 61 |
| 301 | RA | Real Time Cloud Services | 547 | 3.9% | 99 |
| 302 | MP | Mpower Communications | 516 | 17.5% | 72 |
| 303 | DX | PHONE.COm | 513 | 61.6% | 72 |
| 304 | FC | Full Service Network | 505 | 31.5% | 64 |
| 305 | QL | Securus Tech | 480 | 23.0% | 157 |
| 306 | QR | Wiretap Telecom | 477 | 24.8% | 6 |
| 307 | EW | New Network | 472 | 35.8% | 232 |
| 308 | SM | Snapcom LLC | 466 | 27.2% | 3 |
| 309 | GLOBALINX | 464 | 22.8% | 80 | |
| 310 | JX | Worldnet Telecom | 450 | 27.5% | 116 |
| 311 | WM | Women's Community Outreach | 447 | 92.6% | 105 |
| 312 | KG | Protection Plan Center LLC | 435 | — | — |
| 313 | YX | Xtel | 431 | 34.9% | 232 |
| 314 | YB | Hi Tech Zone LLC | 413 | — | — |
| 315 | IE | IT&E Overseas | 413 | 12.6% | 226 |
| 316 | OV | VOLO | 383 | 20.1% | 69 |
| 317 | EK | Fundish LLC | 382 | — | — |
| 318 | VF | Velocity | 382 | 8.8% | 233 |
| 319 | EH | Access Point | 376 | 16.3% | 200 |
| 320 | VC | VWGoA | 366 | 28.5% | 70 |
| 321 | UX | Allstream Business | 358 | 27.3% | 1 |
| 322 | ZT | Intervision | 357 | 22.8% | 151 |
| 323 | NP | Bestline | 349 | 19.2% | 70 |
| 324 | PO | Independent Resporg | 336 | — | — |
| 325 | MB | Numbermed LLC | 329 | — | — |
| 326 | HQ | Bodition | 315 | 74.6% | 142 |
| 327 | UB | 46 Labs | 311 | 27.2% | 23 |
| 328 | FJ | First Digital | 293 | 19.9% | 66 |
| 329 | VV | Videotron | 284 | 29.6% | 182 |
| 330 | YR | WhiteSky | 281 | 27.2% | 96 |
| 331 | RJ | Ultramemorable LLC | 274 | — | — |
| 332 | JZ | Voip Dialing | 259 | 44.1% | 51 |
| 333 | HW | Network Comm. Intl. Corp | 247 | 22.0% | 140 |
| 334 | AZ | Allstream | 235 | 22.3% | 233 |
| 335 | XF | TracFone Wireless | 234 | 22.5% | 24 |
| 336 | XI | FairPoint Communications | 216 | 27.7% | 195 |
| 337 | VP | VPT, Inc. | 213 | 20.8% | 4 |
| 338 | LW | LOOK LOOK | 210 | 70.3% | 37 |
| 339 | FR | Foremost Telecommunications | 207 | 23.0% | 147 |
| 340 | ZU | ZipDX | 205 | 31.6% | 123 |
| 341 | VU | Telvue Corp | 202 | 13.2% | 198 |
| 342 | ER | RingActive.com | 199 | 71.1% | 131 |
| 343 | EG | Evolve Cellular | 199 | 29.3% | 69 |
| 344 | AV | a la mode inc. | 194 | 6.7% | 95 |
| 345 | KK | C & C Management | 182 | 38.4% | 196 |
| 346 | LT | Independent Resporg | 173 | — | — |
| 347 | IJ | Paymentech | 158 | 22.0% | 168 |
| 348 | ZA | Somos Training | 152 | 0.0% | 44 |
| 349 | AH | Dialoga Group LLC | 145 | 40.0% | 106 |
| 350 | DK | ESS, LLC | 142 | 12.0% | 105 |
| 351 | BQ | Business Telecommunication Services | 140 | 10.5% | 223 |
| 352 | WP | Teltrust Corp | 129 | 5.9% | 140 |
| 353 | MK | Micronesian Telecommunications | 121 | 37.0% | 237 |
| 354 | BN | First Communications | 120 | 17.2% | 96 |
| 355 | BZ | BCMONE | 119 | 32.2% | 183 |
| 356 | AL | Lumen Technologies | 118 | 0.0% | 1 |
| 357 | JK | Voice Titan | 110 | 3.1% | 100 |
| 358 | OP | Provincial Tel | 110 | 37.9% | 1 |
| 359 | AF | Aeneas Communications, LLC | 109 | 29.9% | 130 |
| 360 | RT | Point Telecom | 109 | 73.0% | 135 |
| 361 | OE | International Telecommunications Solutions | 102 | 17.9% | 214 |
| 362 | WQ | Teloquest/SinglePIPE | 101 | 20.4% | 102 |
| 363 | CS | SRS Pharmacy Systems, Inc. | 92 | 20.7% | 26 |
| 364 | QS | Questar InfoComm Inc | 86 | 20.0% | 16 |
| 365 | IA | Identidad Advertising Development LLC | 84 | 9.7% | 2 |
| 366 | DN | Dish Network | 82 | 18.8% | 129 |
| 367 | KC | KT Communications | 81 | 36.4% | 78 |
| 368 | UY | Teligence | 78 | 26.8% | 233 |
| 369 | ED | LDDS Metromedia | 71 | 22.6% | 233 |
| 370 | UP | iconectiv | 70 | — | — |
| 371 | CP | 33 Wireless, Inc. | 62 | 2.1% | 18 |
| 372 | GK | Grand Circle Travel | 61 | 28.8% | 55 |
| 373 | AQ | AcroVoice Solutions Inc. | 61 | 20.0% | 104 |
| 374 | UC | Capsule Communications | 57 | 36.7% | 232 |
| 375 | TT | TNT Tax Associates | 52 | 5.3% | 6 |
| 376 | TR | TNB.NET, LLC | 51 | 95.9% | 6 |
| 377 | XJ | Muir Capital | 50 | 76.1% | 147 |
| 378 | GJ | Bizwi | 39 | 97.1% | 1 |
| 379 | NK | NetworkIP | 34 | 29.6% | 106 |
| 380 | YE | DAC Systems | 34 | 25.0% | 49 |
| 381 | BY | Bright Pattern, Inc | 34 | 10.0% | 42 |
| 382 | CW | Community Health Network of CT | 28 | 0.0% | 12 |
| 383 | GU | Great Lakes Comnet, Inc | 27 | 37.5% | 152 |
| 384 | KW | Grande Communications Networks | 26 | 0.0% | 140 |
| 385 | DS | Peeringhub | 26 | 0.0% | 25 |
| 386 | OX | Amecisco | 26 | 35.3% | 77 |
| 387 | VH | Threshold Communications | 23 | 33.3% | 3 |
| 388 | RD | RouteTrust | 23 | 45.5% | 13 |
| 389 | TY | Textricks, Inc | 22 | 0.0% | 13 |
| 390 | RV | GoDaddy | 20 | 60.0% | 17 |
| 391 | OK | Olatel Communications | 20 | 0.0% | 39 |
| 392 | EO | Coeo Solutions | 19 | 62.5% | 54 |
| 393 | DD | BSD Investments | 19 | 60.0% | 37 |
| 394 | DG | Delmarva | 19 | 23.8% | 123 |
| 395 | UI | Transaction Network Services | 18 | 0.0% | 226 |
| 396 | NO | Avteo | 16 | 0.0% | 62 |
| 397 | DP | IVR Technology Group | 16 | 0.0% | 123 |
| 398 | LJ | PBX.com | 15 | 100.0% | 58 |
| 399 | CM | Acceris | 15 | — | — |
| 400 | MU | VoIP Much Phone Company | 15 | 100.0% | 38 |
| 401 | WI | Verizon Business | 15 | 30.0% | 135 |
| 402 | RC | Inrush Broadcast Services | 15 | 0.0% | 4 |
| 403 | FW | Flowroute | 15 | — | — |
| 404 | KU | Shepher Corp | 15 | 0.0% | 232 |
| 405 | SK | Shaw Business | 15 | 100.0% | 63 |
| 406 | FF | Evolve IP | 14 | — | — |
| 407 | ON | Oxford Networks | 14 | — | — |
| 408 | MW | Zoom | 14 | — | — |
| 409 | XL | Message Broadcast | 14 | — | — |
| 410 | FI | Freeway Insurance | 14 | — | — |
| 411 | JL | iProbe Multilingual Solutions | 14 | — | — |
| 412 | WS | Acceris Solutions | 14 | — | — |
| 413 | GH | Unipoint Services | 14 | — | — |
| 414 | OW | Southern Company Services | 14 | — | — |
| 415 | RF | ServiceTitan | 14 | — | — |
| 416 | QH | Netcarrier Telecom | 14 | — | — |
| 417 | OR | Arbeit | 14 | — | — |
| 418 | IL | IDS Long Distance | 14 | — | — |
| 419 | RG | ATLC | 14 | — | — |
| 420 | TO | Covista | 14 | — | — |
| 421 | RK | Red Ventures | 14 | — | — |
| 422 | PQ | Intelliverse | 14 | — | — |
| 423 | PF | Talk America | 14 | — | — |
| 424 | IB | PBX-Change | 14 | — | — |
| 425 | GX | Grupo NGN | 14 | — | — |
| 426 | OZ | Amazon Web Services | 14 | — | — |
| 427 | DM | Instantia Network | 14 | — | — |
| 428 | YQ | SouthernLINC Wireless | 14 | — | — |
| 429 | DV | Direct2Market Digital Media Solutions | 14 | — | — |
| 430 | EX | Business Telecommunications Services, Inc | 14 | — | — |
| 431 | JO | 800 Ideas | 14 | — | — |
| 432 | TI | Primus Telecommunications | 14 | — | — |
| 433 | NI | Netrix, Inc. | 14 | — | — |
| 434 | LX | Phoenix Business | 14 | — | — |
| 435 | UE | URI TELECOM INC | 14 | — | — |
| 436 | PM | W.E.P.S. Inc. | 14 | — | — |
| 437 | FG | Lumen Technologies | 14 | — | — |
| 438 | DQ | Telecon | 14 | — | — |
| 439 | XT | Nextiva | 14 | — | — |
| 440 | OO | Inteliquent | 14 | — | — |
| 441 | LO | Windstream | 14 | — | — |
| 442 | LV | Lumen Technologies | 14 | — | — |
| 443 | AN | StarView Solutions | 14 | — | — |
| 444 | HM | CVS Pharmacy, Inc. | 14 | — | — |
| 445 | CK | CoreTel | 14 | — | — |
| 446 | HI | Salesforce | 14 | — | — |
| 447 | NC | NTS Communications | 14 | — | — |
| 448 | UG | Union Pacific Railroad | 14 | — | — |
| 449 | LZ | LES.NET | 14 | — | — |
| 450 | OG | Clear Rate | 14 | — | — |
| 451 | FH | 1800FORINFO | 14 | — | — |
| 452 | TA | Automate My Resporg | 14 | — | — |
| 453 | FN | Flynode Wireless, LLC | 14 | — | — |
| 454 | SY | Telesign Corporation | 14 | — | — |
| 455 | NM | Number Management Group | 14 | — | — |
| 456 | NG | SSI | 14 | — | — |
| 457 | IZ | Caller ID Reputation, Inc. | 14 | — | — |
| 458 | SX | LogMeIn Audio | 14 | — | — |
| 459 | YZ | Zipwhip | 14 | — | — |
| 460 | NQ | InPhonex | 14 | — | — |
| 461 | SU | R Squared Telecom | 14 | — | — |
| 462 | XU | Zeus Telecom | 14 | — | — |
| 463 | GM | Globalcom | 14 | — | — |
| 464 | DJ | TNCI | 14 | — | — |
| 465 | LU | iPlum Inc. | 14 | 0.0% | 85 |
| 466 | EB | Edify Labs, Inc. | 14 | — | — |
| 467 | CV | West Corp | 14 | — | — |
| 468 | AE | Logix Communications | 14 | — | — |
| 469 | SD | Lumen Technologies | 13 | — | — |
| 470 | SN | Southern New England Telephone | 12 | — | — |
| 471 | JP | Callbox | 12 | — | — |
| 472 | UV | Intelepeer | 12 | — | — |
| 473 | JV | Distributel | 11 | — | — |
| 474 | CA | Wavecom Solutions | 11 | 20.0% | 232 |
| 475 | TN | Incontact | 11 | — | — |
| 476 | WW | Inteliquent | 11 | — | — |
| 477 | VD | Birch | 10 | — | — |
| 478 | LD | Verizon Business | 7 | 0.0% | 201 |
| 479 | ZN | Matrix Business Technologies | 7 | — | — |
| 480 | EV | Lightwave/Integra Telecom | 5 | 0.0% | 163 |