OCN 6123 · Competitive Local Exchange Carrier
Teleport Communications America LLC - MO
d/b/a TCG Kansas City
Part of the AT&T group — 74 OCNs across 54 states · 265,508 blocks combined.
Holding: AT&T Inc
Total blocks
200
Recent (18 mo)
7
Medium
16
Old
124
Area codes
6
States
1
Address
2 Teleport Dr, 2nd Floor
Staten Island, NY 10311-1006
2 Teleport Dr, 2nd Floor
Staten Island, NY 10311-1006
Website
AT&T
AT&T
First assigned block
2001-02-12
2001-02-12
Last assigned block
2026-03-11
2026-03-11
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HQ — Staten Island, NY
Block portfolio at a glance
By age
- Recent (7) — last 18 mo
- Medium (16)
- Old (124)
- Undated (53)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Missouri MO · 200 · 7
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Teleport Communications America LLC - MO'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 |
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 - MO since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (417) 584-2XXX | MO | Springfld | 2026-03-11 |
| (417) 584-3XXX | MO | Springfld | 2026-03-11 |
| (417) 584-4XXX | MO | Springfld | 2026-03-11 |
| (417) 584-5XXX | MO | Springfld | 2026-03-11 |
| (417) 584-6XXX | MO | Springfld | 2026-03-10 |
| (975) 204-6XXX | MO | Kansascity | 2025-11-26 |
| (417) 604-6XXX | MO | Springfld | 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.
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 |