Full RespOrg directory
Every Responsible Organization in the toll free registry, sorted by active inventory. 478 RespOrgs, 47,330,544 active numbers, snapshot 2026-10.
| # | Code | Name | Active numbers | Vanity % | Median age (months) |
|---|---|---|---|---|---|
| 1 | JY | Bandwidth | 6,987,864 | 18.0% | 23 |
| 2 | TW | Twilio | 5,593,525 | 14.2% | 37 |
| 3 | VZ | Verizon Business | 4,517,034 | 16.9% | 177 |
| 4 | MY | Mayfair Communication | 3,989,264 | 46.3% | 47 |
| 5 | AT | AT&T | 1,976,277 | 20.8% | 157 |
| 6 | SO | Signal One | 1,850,254 | 25.6% | 80 |
| 7 | LQ | Inteliquent | 1,654,841 | 14.7% | 16 |
| 8 | YV | Invoca | 1,288,402 | 11.6% | 60 |
| 9 | QI | Telnyx | 887,954 | 11.4% | 4 |
| 10 | MT | Toll Free Management | 857,833 | 15.7% | 15 |
| 11 | KS | Lumen Technologies | 707,506 | 21.3% | 94 |
| 12 | AU | ATL Communications | 704,769 | 17.3% | 42 |
| 13 | RB | RingCentral | 693,885 | 25.2% | 7 |
| 14 | TZ | Amazon.com | 649,234 | 14.3% | 32 |
| 15 | QY | Inteliquent | 559,571 | 19.8% | 52 |
| 16 | IU | Interactive RespOrg Management | 552,865 | 20.9% | 26 |
| 17 | OU | CallSource | 530,952 | 26.6% | 42 |
| 18 | FP | Opentext | 530,540 | 16.8% | 26 |
| 19 | BP | Five 9, Inc. | 512,987 | 17.8% | 25 |
| 20 | GD | ANI Networks | 458,909 | 17.8% | 18 |
| 21 | JF | Inteliquent | 452,745 | 16.4% | 83 |
| 22 | JW | WireStar | 449,483 | 46.6% | 46 |
| 23 | FO | Flotrax | 414,757 | 21.3% | 27 |
| 24 | EU | TELUS Corporation | 407,280 | 18.5% | 129 |
| 25 | IW | Call8 | 404,009 | 23.6% | 19 |
| 26 | ZX | Haven Partners | 394,861 | 57.9% | 24 |
| 27 | TU | Excel Telecommunications | 326,354 | 10.4% | 2 |
| 28 | GA | Comet Media | 321,545 | 22.5% | 18 |
| 29 | OT | Vonage | 302,783 | 19.6% | 53 |
| 30 | HB | HFA Holdings | 272,913 | 12.1% | 4 |
| 31 | BC | Incontact | 271,319 | 17.0% | 51 |
| 32 | HL | Unilink Telcom | 242,674 | 56.5% | 46 |
| 33 | LG | Lumen Technologies | 235,085 | 25.8% | 135 |
| 34 | EF | Pestilence Labs LLC | 234,227 | 11.0% | 8 |
| 35 | RL | Rogers Communications | 201,212 | 22.5% | 122 |
| 36 | PN | Peerless Network | 191,238 | 16.9% | 6 |
| 37 | CB | Crossbow Telecom | 186,397 | 43.7% | 46 |
| 38 | YL | Yorkshire Telecom | 181,808 | 31.3% | 47 |
| 39 | NX | Verizon | 181,723 | 23.1% | 225 |
| 40 | CN | Bell Canada | 181,490 | 27.4% | 104 |
| 41 | WL | BCM One | 165,642 | 21.7% | 51 |
| 42 | GO | Google Voice | 163,269 | 21.8% | 109 |
| 43 | JE | Sinch | 160,506 | 17.2% | 30 |
| 44 | LE | Intelepeer | 152,696 | 19.9% | 35 |
| 45 | ID | Brightlink | 148,214 | 17.9% | 16 |
| 46 | DL | BH Telecom | 142,499 | 32.3% | 21 |
| 47 | JT | Comcast | 118,466 | 28.6% | 120 |
| 48 | ND | NumberBarn | 106,328 | 68.6% | 10 |
| 49 | RO | Rolinium | 104,734 | 65.6% | 148 |
| 50 | BR | Somos Help Desk | 102,741 | 2.0% | 51 |
| 51 | VN | thinQ | 102,474 | 19.4% | 18 |
| 52 | VT | Veracity | 102,178 | 17.0% | 26 |
| 53 | HT | Beta Texting | 100,664 | 48.3% | 73 |
| 54 | HV | Call Haven | 100,594 | 40.3% | 22 |
| 55 | RS | AccessLine | 98,686 | 24.6% | 44 |
| 56 | KO | Call Delivery Systems | 97,180 | 59.8% | 110 |
| 57 | JN | Interactivetel | 92,503 | 19.0% | 54 |
| 58 | BE | Verizon Communications | 87,836 | 36.3% | 238 |
| 59 | NA | National Sales Partners | 87,275 | 21.5% | 4 |
| 60 | IG | Genesys Telecom | 81,105 | 19.6% | 26 |
| 61 | IY | Intelemedia | 79,825 | 12.2% | 81 |
| 62 | ZY | Dialpad | 76,207 | 22.9% | 27 |
| 63 | TP | VoIP Innovations | 75,991 | 24.4% | 23 |
| 64 | HR | Teltana | 74,011 | 82.2% | 148 |
| 65 | AW | AT&T Long Distance | 73,399 | 33.8% | 226 |
| 66 | QT | TouchTone | 72,225 | 18.4% | 12 |
| 67 | HP | Inteliquent | 69,022 | 26.6% | 55 |
| 68 | NU | Navigata | 66,475 | 21.7% | 66 |
| 69 | LL | Plivo | 61,397 | 11.2% | 45 |
| 70 | ZP | Zipline | 60,833 | 52.6% | 46 |
| 71 | NR | NOS Communications | 60,398 | 26.4% | 8 |
| 72 | BA | Beckham Telecom | 60,352 | 48.9% | 17 |
| 73 | BU | Bluekey Communications | 58,250 | 41.4% | 46 |
| 74 | XN | Nuwave | 55,736 | 14.2% | 20 |
| 75 | OM | Intrado Communications | 53,721 | 15.6% | 18 |
| 76 | PI | PrimeTel | 53,121 | 47.0% | 46 |
| 77 | LF | LiveVox | 53,048 | 13.2% | 35 |
| 78 | LS | LeaseHawk | 51,895 | 10.6% | 125 |
| 79 | HH | Serenova | 50,710 | 7.1% | 11 |
| 80 | PJ | Independent Resporg | 48,905 | 23.8% | 9 |
| 81 | XX | United2 | 47,418 | 13.2% | 98 |
| 82 | QC | 382 Communications | 47,315 | 15.4% | 7 |
| 83 | NT | Nextway Communications | 47,130 | 51.8% | 45 |
| 84 | FV | Toll Free Express | 47,088 | 46.8% | 14 |
| 85 | VM | Grasshopper | 46,604 | 66.5% | 17 |
| 86 | QU | QuestBlue Systems, Inc | 45,845 | 13.3% | 39 |
| 87 | IP | IDT Corporation | 43,586 | 20.5% | 3 |
| 88 | BH | Beacon Communications | 42,431 | 17.4% | 11 |
| 89 | NS | Network Telephone Services | 40,906 | 56.2% | 81 |
| 90 | NV | Magna5 | 38,081 | 13.8% | 59 |
| 91 | GI | Tata Communications Canada Ltd. | 37,466 | 18.9% | 55 |
| 92 | IF | CallFire | 36,847 | 12.2% | 76 |
| 93 | JQ | Callture | 36,111 | 46.3% | 70 |
| 94 | KD | Airespring | 35,157 | 16.1% | 23 |
| 95 | AY | Trevica, LLC /Vaco | 33,611 | 57.9% | 86 |
| 96 | YU | NobelBiz | 32,995 | 17.8% | 34 |
| 97 | FL | Frontier | 32,534 | 33.6% | 113 |
| 98 | RZ | RouteTrust | 31,499 | 32.4% | 13 |
| 99 | II | Ignite | 30,008 | 3.8% | 42 |
| 100 | FZ | VBI | 28,883 | 41.4% | 14 |
| 101 | BK | Bulk Solutions, LLC | 28,569 | 45.6% | 34 |
| 102 | XB | THE Telco | 28,317 | 69.7% | 5 |
| 103 | VX | Voxeo Corp | 27,229 | 19.9% | 13 |
| 104 | XZ | TSG Global | 27,034 | 13.3% | 32 |
| 105 | WK | Granite Tel | 27,032 | 23.1% | 111 |
| 106 | SW | Science West Services | 27,029 | 56.5% | 76 |
| 107 | QE | Cox Communications | 26,329 | 31.1% | 80 |
| 108 | RY | Flotrax | 25,333 | 36.4% | 14 |
| 109 | CR | Coore, Inc. | 25,054 | 73.1% | 105 |
| 110 | AX | CallTower | 25,046 | 29.5% | 30 |
| 111 | GT | Verizon | 24,351 | 36.4% | 238 |
| 112 | IN | Lumen Technologies | 24,143 | 23.0% | 139 |
| 113 | PG | PNG | 23,939 | 17.6% | 21 |
| 114 | SL | 7G Network | 23,795 | 23.3% | 44 |
| 115 | LP | 800 Response | 23,782 | 42.0% | 6 |
| 116 | QZ | Resporgs.com | 23,294 | 67.6% | 29 |
| 117 | UZ | Unitel | 22,064 | 48.0% | 20 |
| 118 | TX | Tiny Planet | 21,915 | 76.5% | 89 |
| 119 | UW | Qwest | 21,753 | 23.2% | 197 |
| 120 | KI | APIO | 21,629 | 18.1% | 17 |
| 121 | XH | ISP TELECOM | 21,275 | 39.1% | 42 |
| 122 | PB | Primus | 21,210 | 26.4% | 1 |
| 123 | ET | Express Scripts | 20,943 | 19.6% | 48 |
| 124 | VL | Birch Communications | 20,082 | 21.2% | 38 |
| 125 | OF | Intermetro Communications | 19,770 | 21.3% | 2 |
| 126 | UF | Telesmart | 19,464 | 70.9% | 85 |
| 127 | LK | Lincoln Communications Group | 19,324 | 48.7% | 12 |
| 128 | SG | NTT Cloud | 19,107 | 23.6% | 46 |
| 129 | GE | Fibernetics | 17,915 | 31.3% | 59 |
| 130 | AB | Flotrax | 17,877 | 34.9% | 13 |
| 131 | GF | Televergence Solutions, Inc. | 17,664 | 15.9% | 102 |
| 132 | YA | BT Americas | 16,765 | 26.3% | 42 |
| 133 | PL | Pilgrim Telephone | 16,600 | 49.6% | 176 |
| 134 | DB | Cincinnati Bell | 15,769 | 24.6% | 23 |
| 135 | ME | MetTel | 15,496 | 17.4% | 22 |
| 136 | UL | Lumen Technologies | 15,479 | 21.5% | 136 |
| 137 | PY | Fractel | 14,935 | 13.7% | 11 |
| 138 | EY | Cablevision Lightpath | 14,918 | 37.2% | 66 |
| 139 | HX | Hawaiian Telcom | 14,801 | 23.1% | 244 |
| 140 | IT | Iristel | 14,691 | 41.9% | 22 |
| 141 | WD | Nation Wide 800 | 14,633 | 30.9% | 12 |
| 142 | OQ | Flotrax | 13,963 | 33.4% | 12 |
| 143 | GW | Digitorzo llc | 13,421 | 8.8% | 4 |
| 144 | FS | Futurecom Teleservices | 13,392 | 28.7% | 12 |
| 145 | IX | Lumen Technologies | 13,357 | 14.8% | 61 |
| 146 | VI | Virtual Communication Services Inc. | 13,148 | 32.7% | 12 |
| 147 | QV | Teleperformance | 13,061 | 7.3% | 99 |
| 148 | AO | Amrigon Inc. | 12,996 | 34.1% | 12 |
| 149 | HU | Flotrax | 12,951 | 29.7% | 13 |
| 150 | OD | Flotrax | 12,756 | 28.9% | 13 |
| 151 | MN | Communication Management Services | 12,570 | 34.6% | 9 |
| 152 | QO | ParkHill Telecom LLC | 12,496 | 32.9% | 12 |
| 153 | YW | YTel | 12,126 | 22.8% | 7 |
| 154 | ES | All8series | 11,950 | 10.5% | 3 |
| 155 | FQ | Telcoline | 11,780 | 10.9% | 4 |
| 156 | HA | VanityNumbersDirect | 11,757 | 34.7% | 11 |
| 157 | JD | Flotrax | 11,646 | 28.8% | 13 |
| 158 | XQ | TollXchange | 11,567 | 14.0% | 9 |
| 159 | DW | AVOXI | 11,281 | 30.9% | 25 |
| 160 | CE | RCN | 11,201 | 27.8% | 55 |
| 161 | GQ | Gullwing Media | 11,163 | 33.0% | 9 |
| 162 | BG | The Business Edge Group | 10,850 | 72.2% | 42 |
| 163 | AJ | 800.COM | 10,180 | 1.7% | 68 |
| 164 | RU | World Wide Telegraph | 10,138 | 24.8% | 28 |
| 165 | RR | Astro Telco | 10,131 | 31.7% | 9 |
| 166 | VW | Voiceinc.com | 10,065 | 8.7% | 51 |
| 167 | SS | KCG LLC | 10,052 | 14.3% | 7 |
| 168 | NJ | Number Prospectors | 9,785 | 19.0% | 5 |
| 169 | KM | Knot Networks | 9,665 | 9.4% | 2 |
| 170 | US | TDS Metrocom | 9,610 | 26.1% | 149 |
| 171 | HO | Sigecom | 9,584 | 27.6% | 125 |
| 172 | CX | Charles Schwab & Co. Inc | 9,008 | 21.4% | 56 |
| 173 | VA | Vanity International | 8,882 | 80.5% | 76 |
| 174 | FU | Full Spectrum | 8,702 | 16.0% | 61 |
| 175 | RE | Telex | 7,922 | 82.2% | 85 |
| 176 | LY | Lynx Telecom | 7,889 | 85.0% | 38 |
| 177 | LR | 123.Net | 7,836 | 29.6% | 110 |
| 178 | QK | ASD INC | 7,763 | 17.9% | 17 |
| 179 | NN | OnNet | 7,667 | 9.6% | 7 |
| 180 | XV | Softline Studios | 7,654 | 71.6% | 85 |
| 181 | TS | Telcom Affiliates | 7,621 | 63.4% | 85 |
| 182 | MJ | Micktel Corp | 7,250 | 87.5% | 4 |
| 183 | XS | Global Telecom and Technology (GTT) | 7,097 | 27.4% | 50 |
| 184 | HD | Line Systems | 7,011 | 29.6% | 89 |
| 185 | IV | XO Communications | 6,860 | 16.1% | 108 |
| 186 | UA | U.S. South Communications | 6,625 | 23.0% | 32 |
| 187 | RH | Porting.com DBA ATLaaS | 6,617 | 22.7% | 43 |
| 188 | OS | Proximiti Communications | 6,292 | 16.1% | 143 |
| 189 | JM | Talkroute.com | 6,224 | 34.7% | 36 |
| 190 | OA | OnCall RespOrg Svcs | 6,187 | 63.2% | 108 |
| 191 | BD | Bellsouth LD | 5,789 | 31.9% | 62 |
| 192 | EI | MAP Communications, Inc | 5,765 | 19.5% | 11 |
| 193 | BI | Voce Telecom | 5,723 | 23.4% | 53 |
| 194 | PD | IPtelX | 5,355 | 15.9% | 42 |
| 195 | BW | Bivouac Networks LLC | 5,198 | 6.7% | 50 |
| 196 | EJ | DIPVTEL | 5,177 | 11.4% | 1 |
| 197 | TE | Telengy | 5,173 | 49.3% | 110 |
| 198 | AM | AT&T | 5,074 | 22.3% | 40 |
| 199 | UR | Zultys | 5,073 | 26.3% | 9 |
| 200 | VS | Voxtelesys | 4,963 | 27.5% | 15 |
| 201 | GY | Globalgig | 4,726 | 24.9% | 8 |
| 202 | YH | 800ForAll | 4,717 | 21.0% | 8 |
| 203 | RM | Wimactel | 4,574 | 22.8% | 253 |
| 204 | GC | GCI Com | 4,416 | 31.1% | 182 |
| 205 | YT | Number Access | 4,367 | 15.9% | 44 |
| 206 | OL | Orange Business Services | 4,315 | 33.0% | 73 |
| 207 | QA | Virtual PBX | 4,297 | 10.4% | 142 |
| 208 | DE | Suddenlink | 4,289 | 27.0% | 109 |
| 209 | FM | First Media Group | 4,184 | 27.8% | 138 |
| 210 | GR | Alliance Group | 4,111 | 26.0% | 115 |
| 211 | EM | Advanced Communications Solutions | 3,945 | 11.8% | 47 |
| 212 | WF | The Boulevard Entertainment | 3,943 | 69.5% | 81 |
| 213 | BF | Big River Telephone LLC | 3,872 | 37.8% | 53 |
| 214 | TB | OnSolve | 3,760 | 35.6% | 60 |
| 215 | PH | The Phone Edge | 3,535 | 87.7% | 59 |
| 216 | UO | Utility Telephone | 3,478 | 26.8% | 97 |
| 217 | KJ | Astro Companies | 3,359 | 38.8% | 74 |
| 218 | IS | Aureon | 3,346 | 31.8% | 110 |
| 219 | WO | Word of Mouth | 3,236 | 95.0% | 64 |
| 220 | VJ | Custom Teleconnect | 3,222 | 17.0% | 239 |
| 221 | PA | Paytana | 3,198 | 63.7% | 123 |
| 222 | AD | Alcazar Networks, Inc. | 3,089 | 21.0% | 12 |
| 223 | EE | Advanced Tel | 3,068 | 25.5% | 189 |
| 224 | TM | T-Mobile | 3,064 | 25.6% | 64 |
| 225 | RI | Apeiron | 3,030 | 29.2% | 23 |
| 226 | PC | Pacific Bell | 2,995 | 28.2% | 24 |
| 227 | CH | Convirza | 2,924 | 30.2% | 18 |
| 228 | NL | XO | 2,916 | 23.1% | 83 |
| 229 | QX | Private National Mortgage Acceptance Co | 2,908 | 17.4% | 14 |
| 230 | KT | Telzio | 2,902 | 17.4% | 79 |
| 231 | WT | Telecom House | 2,853 | 36.2% | 133 |
| 232 | SH | SBC | 2,807 | 18.6% | 228 |
| 233 | MD | BluIP | 2,655 | 28.7% | 75 |
| 234 | IK | XIP Services Inc. | 2,369 | 37.3% | 155 |
| 235 | PX | TelNet Worldwide | 2,067 | 31.4% | 88 |
| 236 | OH | CareSource | 2,019 | 69.4% | 111 |
| 237 | BB | Toll-Less.com | 2,010 | 97.4% | 146 |
| 238 | YG | Ziply Fiber LLC | 1,966 | 32.8% | 77 |
| 239 | SA | SAVE 800 | 1,864 | 30.4% | 113 |
| 240 | LI | POPP.com | 1,763 | 44.2% | 115 |
| 241 | DI | DC Communications | 1,705 | 47.5% | 89 |
| 242 | VY | VCOM Solutions | 1,659 | 30.6% | 167 |
| 243 | UD | Lightyear Network Solutions | 1,634 | 2.7% | 11 |
| 244 | KZ | SoVerNet | 1,628 | 33.8% | 77 |
| 245 | EK | Fundish LLC | 1,626 | · | · |
| 246 | AR | iconectiv | 1,614 | 70.6% | 94 |
| 247 | WC | Vertex Communications Corporation | 1,592 | 41.9% | 28 |
| 248 | KL | Transaction Network Services | 1,560 | 17.5% | 87 |
| 249 | RP | Telescan | 1,544 | 16.7% | 62 |
| 250 | LA | ATT Mobility Puerto Rico | 1,513 | 25.3% | 41 |
| 251 | FB | Beanfield Tech | 1,495 | 30.1% | 46 |
| 252 | GV | VOBRE | 1,421 | 26.2% | 52 |
| 253 | BS | AT&T | 1,381 | 25.0% | 132 |
| 254 | IM | Integra Telecom | 1,355 | 19.7% | 78 |
| 255 | OJ | Cbeyond Inc. | 1,340 | 18.0% | 82 |
| 256 | JS | Lumen Technologies | 1,284 | 11.0% | 41 |
| 257 | MQ | Misc Etc | 1,251 | 81.6% | 64 |
| 258 | TH | The Phone Works | 1,244 | 69.2% | 148 |
| 259 | MS | Verint Americas Inc. | 1,237 | 19.5% | 61 |
| 260 | AG | Ancestry | 1,176 | 12.6% | 90 |
| 261 | TJ | TeleServices | 1,141 | 95.4% | 94 |
| 262 | PP | Phoenix Managed Networks | 1,128 | 20.2% | 49 |
| 263 | VB | Voipwalker | 1,112 | 38.6% | 117 |
| 264 | WN | Warning Communications | 1,098 | 84.7% | 191 |
| 265 | NB | FirstLight Fiber | 1,093 | 33.2% | 131 |
| 266 | TK | NetFortris | 1,092 | 25.6% | 178 |
| 267 | AA | AT&T Alascom | 1,089 | 33.3% | 225 |
| 268 | TV | TetraVOX | 1,057 | 97.7% | 164 |
| 269 | EP | iconectiv | 1,053 | 21.3% | 96 |
| 270 | XW | Worldwide Telecomm | 1,013 | 22.4% | 42 |
| 271 | FK | Stratus Networks | 994 | 34.3% | 50 |
| 272 | BO | Teligence US Inc. | 947 | 38.4% | 239 |
| 273 | CJ | Cooperative | 935 | 53.1% | 41 |
| 274 | PZ | Telepacific | 935 | 8.9% | 77 |
| 275 | EA | AT&T Local | 925 | 35.7% | -856 |
| 276 | PR | Puerto Rico Tel | 899 | 22.5% | 91 |
| 277 | QG | Telecom One | 868 | 31.4% | 38 |
| 278 | JJ | Commercial LT Baroda | 845 | 27.2% | 30 |
| 279 | WA | Wide Voice | 837 | 21.1% | 15 |
| 280 | MO | Monmouth Tel | 836 | 43.0% | 64 |
| 281 | NE | Teliax | 821 | 33.7% | 73 |
| 282 | WU | Wake Up Inc | 806 | 62.0% | 238 |
| 283 | XM | RA Outdoors | 797 | 31.7% | 110 |
| 284 | OB | Infinite Conferencing | 772 | 18.0% | 93 |
| 285 | WE | WesTel | 746 | 19.2% | 60 |
| 286 | DY | Bulletins | 724 | 66.2% | 19 |
| 287 | HC | National ComTel | 709 | 36.9% | 201 |
| 288 | KV | VoiceSaver | 685 | 29.2% | 3 |
| 289 | TG | BCN TELECOM | 682 | 37.7% | 162 |
| 290 | DH | Windstream-Fairport | 629 | 29.4% | 41 |
| 291 | KH | Unavo | 627 | 25.3% | 108 |
| 292 | JG | Double Eagle Communication | 596 | 21.3% | 23 |
| 293 | FT | Fusion Networks | 561 | 39.9% | 67 |
| 294 | RA | Real Time Cloud Services | 547 | 5.0% | 105 |
| 295 | QR | Wiretap Telecom | 518 | 30.2% | 12 |
| 296 | MP | Mpower Communications | 516 | 19.7% | 78 |
| 297 | DX | PHONE.COm | 512 | 71.0% | 78 |
| 298 | FC | Full Service Network | 509 | 37.9% | 68 |
| 299 | EW | New Network | 472 | 44.8% | 238 |
| 300 | QL | Securus Tech | 472 | 30.5% | 163 |
| 301 | IA | Identidad Advertising Development LLC | 452 | 16.1% | 3 |
| 302 | WM | Women's Community Outreach | 452 | 96.5% | 111 |
| 303 | GLOBALINX | 449 | 27.2% | 81 | |
| 304 | YR | WhiteSky | 446 | 36.0% | 76 |
| 305 | SM | Snapcom LLC | 445 | 35.6% | 9 |
| 306 | NY | COA Network | 437 | 14.2% | 76 |
| 307 | YX | Xtel | 431 | 45.7% | 238 |
| 308 | JX | Worldnet Telecom | 426 | 33.9% | 120 |
| 309 | IE | IT&E Overseas | 410 | 14.5% | 232 |
| 310 | VF | Velocity | 382 | 11.5% | 239 |
| 311 | OV | VOLO | 380 | 24.7% | 75 |
| 312 | EH | Access Point | 375 | 18.6% | 206 |
| 313 | VC | VWGoA | 365 | 32.8% | 76 |
| 314 | QD | TollFreePhone.com | 357 | 6.7% | 1 |
| 315 | ZT | Intervision | 355 | 29.3% | 157 |
| 316 | NP | Bestline | 349 | 23.8% | 76 |
| 317 | HQ | Bodition | 318 | 82.2% | 148 |
| 318 | UB | 46 Labs | 311 | 33.0% | 29 |
| 319 | VV | Videotron | 270 | 36.9% | 188 |
| 320 | JZ | Voip Dialing | 268 | 55.1% | 57 |
| 321 | HW | Network Comm. Intl. Corp | 247 | 30.0% | 146 |
| 322 | AZ | Allstream | 235 | 27.3% | 239 |
| 323 | XF | TracFone Wireless | 234 | 30.9% | 30 |
| 324 | RD | RouteTrust | 233 | 50.0% | 8 |
| 325 | VP | VPT, Inc. | 213 | 24.6% | 1 |
| 326 | XI | FairPoint Communications | 213 | 36.3% | 208 |
| 327 | LW | LOOK LOOK | 210 | 78.5% | 43 |
| 328 | FR | Foremost Telecommunications | 206 | 26.7% | 153 |
| 329 | ZU | ZipDX | 204 | 40.5% | 129 |
| 330 | VU | Telvue Corp | 202 | 16.1% | 204 |
| 331 | EG | Evolve Cellular | 199 | 34.1% | 75 |
| 332 | ER | RingActive.com | 199 | 86.8% | 137 |
| 333 | AV | a la mode inc. | 194 | 11.4% | 101 |
| 334 | KK | C & C Management | 182 | 44.1% | 202 |
| 335 | IJ | Paymentech | 158 | 24.0% | 174 |
| 336 | ZA | Somos Training | 153 | 0.0% | 50 |
| 337 | RJ | Ultramemorable LLC | 149 | · | · |
| 338 | AH | Dialoga Group LLC | 145 | 45.9% | 112 |
| 339 | DK | ESS, LLC | 142 | 14.3% | 111 |
| 340 | BQ | Business Telecommunication Services | 140 | 11.3% | 229 |
| 341 | UX | Allstream Business | 134 | 24.0% | 4 |
| 342 | WP | Teltrust Corp | 129 | 7.6% | 146 |
| 343 | AL | Lumen Technologies | 122 | 0.0% | 1 |
| 344 | MK | Micronesian Telecommunications | 121 | 41.7% | 243 |
| 345 | BZ | BCMONE | 119 | 40.0% | 189 |
| 346 | LV | Lumen Technologies | 119 | · | · |
| 347 | AF | Aeneas Communications, LLC | 110 | 36.8% | 136 |
| 348 | JK | Voice Titan | 110 | 3.1% | 106 |
| 349 | OP | Provincial Tel | 109 | 41.3% | 7 |
| 350 | RT | Point Telecom | 109 | 81.6% | 141 |
| 351 | UP | iconectiv | 106 | · | · |
| 352 | OE | International Telecommunications Solutions | 102 | 27.9% | 220 |
| 353 | WQ | Teloquest/SinglePIPE | 101 | 22.6% | 108 |
| 354 | PO | Independent Resporg | 100 | · | · |
| 355 | YB | Hi Tech Zone LLC | 94 | · | · |
| 356 | CS | SRS Pharmacy Systems, Inc. | 92 | 23.8% | 32 |
| 357 | BN | First Communications | 91 | 22.4% | 102 |
| 358 | QS | Questar InfoComm Inc | 83 | 26.0% | 22 |
| 359 | DN | Dish Network | 82 | 33.3% | 135 |
| 360 | KC | KT Communications | 81 | 41.2% | 84 |
| 361 | LT | Independent Resporg | 79 | · | · |
| 362 | UY | Teligence | 78 | 29.2% | 239 |
| 363 | GJ | Bizwi | 72 | 82.4% | 1 |
| 364 | ED | LDDS Metromedia | 71 | 27.0% | 239 |
| 365 | NM | Number Management Group | 70 | · | · |
| 366 | KG | Protection Plan Center LLC | 67 | · | · |
| 367 | CP | 33 Wireless, Inc. | 62 | 12.5% | 24 |
| 368 | AQ | AcroVoice Solutions Inc. | 61 | 23.5% | 110 |
| 369 | GK | Grand Circle Travel | 61 | 32.7% | 61 |
| 370 | MB | Numbermed LLC | 59 | · | · |
| 371 | UC | Capsule Communications | 57 | 41.5% | 238 |
| 372 | TR | TNB.NET, LLC | 56 | 96.6% | 12 |
| 373 | TT | TNT Tax Associates | 52 | 5.3% | 12 |
| 374 | XJ | Muir Capital | 50 | 86.4% | 153 |
| 375 | BY | Bright Pattern, Inc | 34 | 14.3% | 48 |
| 376 | NK | NetworkIP | 34 | 33.3% | 112 |
| 377 | YE | DAC Systems | 34 | 36.4% | 55 |
| 378 | VE | Nex Vortex | 32 | 34.8% | 7 |
| 379 | CW | Community Health Network of CT | 28 | 0.0% | 18 |
| 380 | GU | Great Lakes Comnet, Inc | 27 | 37.5% | 158 |
| 381 | KW | Grande Communications Networks | 26 | 0.0% | 146 |
| 382 | OX | Amecisco | 26 | 35.3% | 83 |
| 383 | DS | Peeringhub | 25 | 9.1% | 31 |
| 384 | TY | Textricks, Inc | 22 | 0.0% | 19 |
| 385 | OK | Olatel Communications | 20 | 0.0% | 45 |
| 386 | DD | BSD Investments | 19 | 81.8% | 43 |
| 387 | EO | Coeo Solutions | 19 | 66.7% | 60 |
| 388 | RV | GoDaddy | 19 | 66.7% | 23 |
| 389 | UG | Union Pacific Railroad | 18 | 25.0% | 3 |
| 390 | UI | Transaction Network Services | 18 | 0.0% | 232 |
| 391 | BV | (not in directory) | 17 | · | · |
| 392 | DP | IVR Technology Group | 16 | 0.0% | 129 |
| 393 | CM | Acceris | 15 | · | · |
| 394 | FW | Flowroute | 15 | · | · |
| 395 | IO | Iowa Comm Network | 15 | · | · |
| 396 | KU | Shepher Corp | 15 | 0.0% | 238 |
| 397 | LJ | PBX.com | 15 | 100.0% | 64 |
| 398 | MU | VoIP Much Phone Company | 15 | 100.0% | 44 |
| 399 | NO | Avteo | 15 | 0.0% | 68 |
| 400 | QF | (not in directory) | 15 | · | · |
| 401 | RC | Inrush Broadcast Services | 15 | 0.0% | 10 |
| 402 | SK | Shaw Business | 15 | 100.0% | 69 |
| 403 | AE | Logix Communications | 14 | · | · |
| 404 | AN | StarView Solutions | 14 | · | · |
| 405 | BM | (not in directory) | 14 | · | · |
| 406 | CK | CoreTel | 14 | · | · |
| 407 | CV | West Corp | 14 | · | · |
| 408 | DJ | TNCI | 14 | · | · |
| 409 | DM | Instantia Network | 14 | · | · |
| 410 | DQ | Telecon | 14 | · | · |
| 411 | DV | Direct2Market Digital Media Solutions | 14 | · | · |
| 412 | EB | Edify Labs, Inc. | 14 | · | · |
| 413 | EX | Business Telecommunications Services, Inc | 14 | · | · |
| 414 | EZ | Independent Resporg | 14 | · | · |
| 415 | FF | Evolve IP | 14 | · | · |
| 416 | FG | Lumen Technologies | 14 | · | · |
| 417 | FH | 1800FORINFO | 14 | · | · |
| 418 | FI | Freeway Insurance | 14 | · | · |
| 419 | FJ | First Digital | 14 | · | · |
| 420 | FN | Flynode Wireless, LLC | 14 | · | · |
| 421 | GH | Unipoint Services | 14 | · | · |
| 422 | GM | Globalcom | 14 | · | · |
| 423 | GX | Grupo NGN | 14 | · | · |
| 424 | HI | Salesforce | 14 | · | · |
| 425 | HM | CVS Pharmacy, Inc. | 14 | · | · |
| 426 | IB | PBX-Change | 14 | · | · |
| 427 | IL | IDS Long Distance | 14 | · | · |
| 428 | IZ | Caller ID Reputation, Inc. | 14 | · | · |
| 429 | JL | iProbe Multilingual Solutions | 14 | · | · |
| 430 | JO | 800 Ideas | 14 | · | · |
| 431 | LO | Windstream | 14 | · | · |
| 432 | LU | iPlum Inc. | 14 | 0.0% | 91 |
| 433 | LX | Phoenix Business | 14 | · | · |
| 434 | LZ | LES.NET | 14 | · | · |
| 435 | MW | Zoom | 14 | · | · |
| 436 | NC | NTS Communications | 14 | · | · |
| 437 | NG | SSI | 14 | · | · |
| 438 | NI | Netrix, Inc. | 14 | · | · |
| 439 | NQ | InPhonex | 14 | · | · |
| 440 | OG | Clear Rate | 14 | · | · |
| 441 | ON | Oxford Networks | 14 | · | · |
| 442 | OR | Arbeit | 14 | · | · |
| 443 | OW | Southern Company Services | 14 | · | · |
| 444 | OZ | Amazon Web Services | 14 | · | · |
| 445 | PF | Talk America | 14 | · | · |
| 446 | PM | W.E.P.S. Inc. | 14 | · | · |
| 447 | PQ | Intelliverse | 14 | · | · |
| 448 | QH | Netcarrier Telecom | 14 | · | · |
| 449 | RF | ServiceTitan | 14 | · | · |
| 450 | RG | ATLC | 14 | · | · |
| 451 | RK | Red Ventures | 14 | · | · |
| 452 | SU | R Squared Telecom | 14 | · | · |
| 453 | SX | LogMeIn Audio | 14 | · | · |
| 454 | SY | Telesign Corporation | 14 | · | · |
| 455 | TA | Automate My Resporg | 14 | · | · |
| 456 | TI | Primus Telecommunications | 14 | · | · |
| 457 | TO | Covista | 14 | · | · |
| 458 | UE | URI TELECOM INC | 14 | · | · |
| 459 | WI | Verizon Business | 14 | 30.0% | 141 |
| 460 | WS | Acceris Solutions | 14 | · | · |
| 461 | XL | Message Broadcast | 14 | · | · |
| 462 | XT | Nextiva | 14 | · | · |
| 463 | XU | Zeus Telecom | 14 | · | · |
| 464 | YQ | SouthernLINC Wireless | 14 | · | · |
| 465 | YZ | Zipwhip | 14 | · | · |
| 466 | SD | Lumen Technologies | 13 | · | · |
| 467 | JP | Callbox | 12 | · | · |
| 468 | SN | Southern New England Telephone | 12 | · | · |
| 469 | UV | Intelepeer | 12 | · | · |
| 470 | VH | Threshold Communications | 12 | · | · |
| 471 | CA | Wavecom Solutions | 11 | 33.3% | 238 |
| 472 | JV | Distributel | 11 | · | · |
| 473 | TN | Incontact | 11 | · | · |
| 474 | VD | Birch | 10 | · | · |
| 475 | LD | Verizon Business | 7 | 0.0% | 207 |
| 476 | ZN | Matrix Business Technologies | 7 | · | · |
| 477 | EV | Lightwave/Integra Telecom | 5 | 0.0% | 169 |
| 478 | MC | MCI | 5 | 0.0% | 132 |