SBC SH

alias: att.com

Large Telcom Group: AT&T

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Based in Chicago, IL
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Based in Chicago, IL
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At a glance

Active numbers
2,864
#233 of 481
Change over 4 years
-1,682
-37.0%
Opportunism Index
1.61%
Harvested 5 / acquired 310
Vanity matches
16.0%
Median inventory age
222 mo
18.5 years since last change
Sub-codes in use
2
SHSW1, SHSW6

Inventory by NPA

1,360
800
476
888
219
877
795
866
8
855
4
844
2
833

By status

  • WORKING 2,824 · 99.1%
  • UNAVAIL 17 · 0.6%
  • DISCONN 8 · 0.3%
  • TRANSIT 1 · 0.0%

Inventory age buckets

  • < 1 month 88 · 2.9%
  • 3–12 months 22 · 0.7%
  • 1–2 years 342 · 11.4%
  • 2–5 years 203 · 6.8%
  • 5+ years 2,151 · 71.7%

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.

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Trajectory

Total active inventory Numbers harvested from disconnect pool that month
5K3K2K1K02022-062024-072026-04
Show monthly numbers
MonthInventoryAcquiredHarvestedLostFrom spareTo spare
2022-06 4,546 0 0 0 0 0
2022-07 4,430 0 0 116 0 0
2022-08 4,420 1 0 11 0 0
2022-09 4,266 0 0 154 0 0
2022-10 3,403 0 0 863 0 0
2022-11 3,398 0 0 5 0 0
2022-12 3,395 0 0 3 0 0
2023-01 3,394 0 0 1 0 0
2023-02 3,389 0 0 5 0 0
2023-03 3,387 0 0 2 0 0
2023-04 3,384 0 0 3 0 0
2023-05 3,372 0 0 12 0 0
2023-06 3,367 0 0 5 0 0
2023-09 3,354 0 0 13 0 0
2023-10 3,347 0 0 7 0 0
2023-11 3,344 0 0 3 0 0
2023-12 3,006 0 0 338 0 30
2024-02 3,315 309 5 0 27 0
2024-03 3,306 0 0 9 0 0
2024-05 3,297 0 0 9 0 0
2024-06 3,297 0 0 0 0 0
2024-07 3,295 0 0 2 0 0
2024-08 3,284 0 0 11 0 0
2024-09 3,109 0 0 175 0 0
2024-10 3,065 0 0 44 0 0
2024-11 3,058 0 0 7 0 0
2024-12 3,047 0 0 11 0 0
2025-01 2,934 0 0 113 0 0
2025-02 2,923 0 0 11 0 0
2025-03 2,923 0 0 0 0 0
2025-04 2,919 0 0 4 0 0
2025-05 2,915 0 0 4 0 0
2025-06 2,909 0 0 6 0 0
2025-07 2,906 0 0 3 0 0
2025-08 2,895 0 0 11 0 0
2025-09 2,891 0 0 4 0 0
2025-10 2,890 0 0 1 0 0
2025-11 2,882 0 0 8 0 0
2025-12 2,877 0 0 5 0 0
2026-01 2,874 0 0 3 0 0
2026-02 2,870 0 0 4 0 0
2026-03 2,868 0 0 2 0 0
2026-04 2,864 0 0 4 0 0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg834.0
Harvested from disconnect pool15.0
First assigned from spare pool81.0
Reactivated own disconnects282.0

Outbound (numbers lost)

Direct transfer to another RespOrg1,404.0
Standard disconnect aging process (3+ months in DISC)1,509
Abbreviated disconnect period (1–2 months in DISC)264
Released directly to spare pool120.0

Of the 1,773 disconnect episodes this RespOrg has sent through aging, 15% were abbreviated (1–2 snapshots in DISC status). This RespOrg lets most numbers age the full 3–4 months before release — normal pattern.

Top direct-transfer sources (INto SH)

MT55.0Toll Free Management
SO40.0Signal One
IU29.0Interactive RespOrg Management
ZX29.0Haven Partners
CB17.0Crossbow Telecom (Primetel)
BU10.0Bluekey Communications (Primetel)
JD9.0Flotrax (Primetel)
FZ9.0VBI
AB9.0Flotrax (Primetel)
MY8.0Mayfair Communication (Primetel)

Top direct-transfer destinations (OUT of SH)

MT55.0Toll Free Management
SO51.0Signal One
IU41.0Interactive RespOrg Management
ZX36.0Haven Partners
CB20.0Crossbow Telecom (Primetel)
RY20.0Flotrax (Primetel)
GA16.0Comet Media
FZ11.0VBI
BU11.0Bluekey Communications (Primetel)
FO10.0Flotrax (Primetel)

Top vanity holdings

Summary

This was formerly SBC, now part of AT&T.

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