Teleport Communications America LLC - CA
d/b/a Teleport Communications San Diego
Part of the AT&T group — 74 OCNs across 54 states · 265,508 blocks combined.
Holding: AT&T Inc
2 Teleport Dr, 2nd Floor
Staten Island, NY 10311-1006
AT&T
2002-12-31
2026-03-18
HQ — Staten Island, NY


Block portfolio at a glance
By age
- Recent (18) — last 18 mo
- Medium (139)
- Old (82)
- Undated (101)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- California CA · 340 · 18
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Teleport Communications America LLC - CA'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 |
|---|---|---|---|---|---|
| (858) 425-6436 ★ | HALOGEN | Lighting | CA | 2026-02-19 | 804 |
| (858) 425-8264 ★ | GALVANIC | Science / Laser / Space | CA | 2026-02-19 | 758 |
| (858) 425-7833 ★ | HALSTED | Industrial / Manufacturing | CA | 2026-02-19 | 357 |
| (858) 425-8377 ★ | HALTERS | Equestrian / Horses | CA | 2026-02-19 | 347 |
| (858) 425-7866 ★ | HALSTON | Brand Names | CA | 2026-02-19 | 187 |
| (442) 495-2637 ★ | HYLANDS | Health Care / Medical | CA | 2026-01-16 | 83 |
| (858) 425-8376 ★ | HALTERMAN | General | CA | 2026-02-19 | 7 |
Want one of these or something similar? Request the number from this carrier and we'll route the request.
Most recent assignments
Last 18 months — these blocks were issued by Teleport Communications America LLC - CA since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (858) 441-6XXX | CA | El Cajon | 2026-03-18 |
| (858) 425-6XXX | CA | Sndg Sndg | 2026-02-19 |
| (858) 425-7XXX | CA | Sndg Sndg | 2026-02-19 |
| (858) 425-8XXX | CA | Sndg Sndg | 2026-02-19 |
| (442) 495-XXXX | CA | Ocsd Pdtn | 2026-01-16 |
| (442) 495-5XXX | CA | Ocsd Pdtn | 2026-01-16 |
| (442) 495-6XXX | CA | Ocsd Pdtn | 2026-01-16 |
| (442) 495-7XXX | CA | Ocsd Pdtn | 2026-01-16 |
| (442) 495-8XXX | CA | Ocsd Pdtn | 2026-01-16 |
| (442) 495-9XXX | CA | Ocsd Pdtn | 2026-01-16 |
| (619) 812-6XXX | CA | La Jolla | 2025-12-10 |
| (858) 368-5XXX | CA | Sndg Mrms | 2025-08-11 |
| (619) 325-8XXX | CA | Sndg Sndg | 2025-05-28 |
| (858) 409-1XXX | CA | La Jolla | 2025-01-02 |
| (858) 409-2XXX | CA | La Jolla | 2025-01-02 |
| (858) 409-3XXX | CA | La Jolla | 2025-01-02 |
| (858) 409-4XXX | CA | La Jolla | 2025-01-02 |
| (858) 409-5XXX | CA | La Jolla | 2025-01-02 |
Sister OCNs in the AT&T group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the AT&T group page.
Sister OCNs under AT&T Inc
| OCN | Company | Total | Recent |
|---|---|---|---|
| 6534 | New Cingular Wireless PCS LLC - IL | 58,704 | 6,972 |
| 6214 | New Cingular Wireless PCS LLC - GA | 40,046 | 5,569 |
| 6010 | New Cingular Wireless PCS LLC | 38,106 | 3,116 |
| 4036 | New Cingular Wireless PCS LLC - DC | 30,944 | 4,493 |
| 9533 | Southwestern Bell Telephone Company | 26,095 | 0 |
| 9740 | Pacific Bell Telephone Company | 18,541 | 0 |
| 9417 | Bellsouth Telecommunications Inc dba Southern Bell Telephone & Telegraph | 15,734 | 0 |
| 9419 | Bellsouth Telecommunications Inc dba South Central Bell Telephone | 13,075 | 0 |
| 9329 | Ameritech Illinois | 6,645 | 0 |
| 516C | AT&T Enterprises LLC | 5,935 | 113 |
| 9323 | Ameritech Michigan | 5,035 | 0 |
| 9321 | Ameritech Ohio | 4,377 | 0 |
