AT&T AT

alias: formerly SBS, and before that Bell

Large Telcom Group: AT&T

AT&T website screenshot
Website · visit · full size
Based in Saint Louis, MO
Based in Saint Louis, MO · street view · full size
Based in Saint Louis, MO
Based in Saint Louis, MO · satellite · full size

At a glance

Active numbers
2,160,197
#5 of 481
Change over 4 years
-365,583
-14.5% · #148 of 156
Opportunism Index
0.88%
#113 of 228
Vanity matches
16.8%
#124 of 201
Median inventory age
148 mo
12.3 years since last change
#10 of 201 oldest
Sub-codes in use
8
ATX01, ATX99, ATX03, ATX07, ATX40, ATX02 +2

Inventory by NPA

563,281
800
344,395
888
340,946
877
408,662
866
235,248
855
193,850
844
73,815
833

By status

  • WORKING 2,071,940 · 95.9%
  • TRANSIT 82,507 · 3.8%
  • RESERVED 3,121 · 0.1%
  • DISCONN 2,449 · 0.1%
  • UNAVAIL 166 · 0.0%

Inventory age buckets

  • < 1 month 230,784 · 10.5%
  • 1–3 months 22,071 · 1.0%
  • 3–12 months 34,295 · 1.6%
  • 1–2 years 32,003 · 1.5%
  • 2–5 years 177,745 · 8.1%
  • 5+ years 1,529,543 · 69.5%

Ages are measured from each number's last change in the Somos registry — that's the most recent activation, transfer, or status move. Not necessarily the date this RespOrg originally acquired it.

Request a manual history review of a specific toll-free number →

Trajectory

Total active inventory Numbers harvested from disconnect pool that month
2.5M1.9M1.3M631K02022-062024-072026-04
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2022-06 2,525,780 0 0 0 0 0
2022-07 2,516,327 1,910 35 11,363 577 104
2022-08 2,513,369 2,367 8 5,325 1,723 322
2022-09 2,508,025 3,815 3 9,159 2,757 232
2022-10 2,503,481 1,987 2 6,531 1,189 280
2022-11 2,500,304 2,156 15 5,333 1,690 101
2022-12 2,493,941 1,438 1 7,801 769 36
2023-01 2,477,705 566 5 16,802 130 22
2023-02 2,471,303 1,441 1 7,843 762 44
2023-03 2,471,761 3,624 0 3,166 2,326 52
2023-04 2,469,551 6,661 2 8,871 1,432 175
2023-05 2,467,293 5,649 4 7,907 4,581 116
2023-06 2,467,932 9,924 6 9,285 8,766 33
2023-09 2,451,863 7,434 9 23,503 3,807 244
2023-10 2,404,739 1,938 5 49,062 1,649 36
2023-11 2,385,594 2,202 1 21,347 1,811 30
2023-12 2,286,289 29,142 556 128,447 14,698 21,957
2024-02 2,353,655 94,347 683 26,981 10,050 13,710
2024-03 2,340,457 1,042 2 14,240 508 23
2024-05 2,330,454 8,784 197 18,787 6,964 0
2024-06 2,329,604 7,538 338 8,388 1,909 7
2024-07 2,324,502 1,887 0 6,989 1,566 1
2024-08 2,315,644 1,284 0 10,142 557 3
2024-09 2,309,443 2,250 0 8,451 1,797 0
2024-10 2,299,906 1,737 2 11,274 542 0
2024-11 2,293,010 1,079 0 7,975 521 0
2024-12 2,288,306 828 0 5,532 453 2
2025-01 2,279,491 5,607 82 14,422 3,784 0
2025-02 2,268,239 2,706 1 13,958 2,125 0
2025-03 2,268,239 0 0 0 0 0
2025-04 2,262,988 1,906 6 7,157 876 0
2025-05 2,260,087 2,445 11 5,346 1,141 0
2025-06 2,247,365 1,036 3 13,758 764 0
2025-07 2,236,066 1,751 9 13,050 1,349 21
2025-08 2,224,200 2,022 10 13,888 1,363 28
2025-09 2,212,310 1,194 2 13,084 1,116 0
2025-10 2,206,688 1,565 22 7,187 970 0
2025-11 2,203,739 2,608 0 5,557 1,965 1
2025-12 2,201,431 2,422 1 4,730 1,747 0
2026-01 2,193,857 555 0 8,129 422 0
2026-02 2,181,699 1,975 1 14,133 1,896 0
2026-03 2,171,844 849 1 10,704 741 0
2026-04 2,160,197 3,779 38 15,426 1,638 11

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg413,871.0
Harvested from disconnect pool6,186.0
First assigned from spare pool286,293.0
Reactivated own disconnects139,092.0

Outbound (numbers lost)

Direct transfer to another RespOrg2,238,684.0
Standard disconnect aging process (3+ months in DISC)1,587
Abbreviated disconnect period (1–2 months in DISC)70,571
Released directly to spare pool150,364.0

Of the 72,158 disconnect episodes this RespOrg has sent through aging, 98% were abbreviated (1–2 snapshots in DISC status). That's a strong early-disconnector signal — this RespOrg routinely releases numbers before the full 3–4 month aging window. Worth checking daily for vanity drops.

Top direct-transfer sources (INto AT)

VZ30,722.0Verizon Business (Verizon)
TZ11,292.0Amazon.com (Amazon)
TW7,565.0Twilio
KS6,811.0Lumen Technologies (Lumen)
AU6,762.0ATL Communications (ATLC)
JY5,899.0Bandwidth
LG4,818.0Lumen Technologies (Lumen)
SO4,749.0Signal One
MT4,464.0Toll Free Management
IU4,338.0Interactive RespOrg Management

Top direct-transfer destinations (OUT of AT)

GA65,863.0Comet Media
IU48,243.0Interactive RespOrg Management
VZ44,544.0Verizon Business (Verizon)
SO42,756.0Signal One
KS39,340.0Lumen Technologies (Lumen)
AU37,425.0ATL Communications (ATLC)
JY31,930.0Bandwidth
MT24,864.0Toll Free Management
TW19,845.0Twilio
ZX18,438.0Haven Partners

Top vanity holdings

Summary

This is the main resporg for AT&T. They never release or negotiate for anything from this resporg though.

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