OCN 724J · Competitive Local Exchange Carrier
Teleport Communications America LLC
Part of the AT&T group — 74 OCNs across 54 states · 265,508 blocks combined.
Total blocks
15
Recent (18 mo)
3
Medium
2
Old
10
Area codes
1
States
1
Address
5001 Executive Pkwy
San Ramon, CA 94583-5006
5001 Executive Pkwy
San Ramon, CA 94583-5006
Website
att.com
att.com
First assigned block
2015-10-21
2015-10-21
Last assigned block
2025-11-13
2025-11-13
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HQ — San Ramon, CA
Block portfolio at a glance
By age
- Recent (3) — last 18 mo
- Medium (2)
- Old (10)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Alaska AK · 15 · 3
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Teleport Communications America LLC's recent issuances
Numbers in blocks issued in the last 18 months whose digits spell a useful word. Filter by state and category to find one for your business. ★ marks Mike's curated standouts.
| Number | Spells | Category | State | Block issued | Score |
|---|---|---|---|---|---|
| (227) 266-7269 ★ | COMPANY | Business | MD | 2024-12-19 | 302,351 |
| (472) 266-7269 ★ | COMPANY | Business | NC | 2025-02-20 | 302,351 |
| (730) 266-7269 ★ | COMPANY | Business | IL | 2025-03-07 | 302,351 |
| (835) 266-7269 ★ | COMPANY | Business | PA | 2025-05-21 | 302,351 |
| (227) 266-7883 ★ | COMPUTER | Computer / Hardware | MD | 2024-12-19 | 272,250 |
| (472) 266-7883 ★ | COMPUTER | Computer / Hardware | NC | 2025-02-20 | 272,250 |
| (730) 266-7883 ★ | COMPUTER | Computer / Hardware | IL | 2025-03-07 | 272,250 |
| (835) 266-7883 ★ | COMPUTER | Computer / Hardware | PA | 2025-05-21 | 272,250 |
| (229) 797-8367 ★ | SYSTEMS | Technical / Electronics / Software | GA | 2026-02-20 | 226,067 |
| (865) 797-8367 ★ | SYSTEMS | Technical / Electronics / Software | TN | 2025-09-22 | 226,067 |
| (385) 633-4225 ★ | MEDICAL | Health Care / Medical / Hospitals | UT | 2025-04-14 | 213,816 |
| (234) 463-6762 ★ | INFORMATION | VAN | OH | 2026-01-26 | 192,525 |
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Most recent assignments
Last 18 months — these blocks were issued by Teleport Communications America LLC since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (907) 705-XXXX | AK | Ftrichadsn | 2025-11-13 |
| (907) 705-6XXX | AK | Ftrichadsn | 2025-11-13 |
| (907) 621-3XXX | AK | Anchorage | 2025-10-09 |
Sister OCNs in the AT&T group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the AT&T group page.