OCN 7135 · Competitive Local Exchange Carrier
TC Systems Inc
d/b/a Teleport Communications Boston
Part of the AT&T group — 74 OCNs across 54 states · 265,508 blocks combined.
Holding: AT&T Inc
Total blocks
908
Recent (18 mo)
8
Medium
3
Old
199
Area codes
9
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
2001-02-21
2001-02-21
Last assigned block
2026-02-13
2026-02-13
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HQ — Staten Island, NY


Block portfolio at a glance
By age
- Recent (8) — last 18 mo
- Medium (3)
- Old (199)
- Undated (698)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Massachusetts MA · 908 · 8
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from TC Systems Inc'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 |
|---|---|---|---|---|---|
| (339) 265-5343 ★ | COLLEGE | Education / College | MA | 2025-07-01 | 61,587 |
| (339) 265-5467 ★ | COLLINS | Names / Nicknames | MA | 2025-07-01 | 20,117 |
| (339) 265-5328 ★ | COLLECTION | Credit Repair / Debt Consolidation | MA | 2025-07-01 | 17,448 |
| (339) 265-3626 ★ | COLEMAN | Names / Nicknames | MA | 2025-07-01 | 11,012 |
| (339) 265-5277 ★ | COLLARS | Pet Care | MA | 2025-07-01 | 9,020 |
| (339) 265-5336 ★ | COLLEEN | Female / Feminine Names | MA | 2025-07-01 | 5,810 |
| (339) 265-5437 ★ | COLLIER | Geography / Local / Directions | MA | 2025-07-01 | 5,384 |
| (339) 265-6746 ★ | COLORING | Art / Crafts / Greeting Cards | MA | 2025-07-01 | 5,062 |
| (339) 265-6463 ★ | COLOGNE | Cosmetics / Beauty Salons | MA | 2025-07-01 | 4,511 |
| (339) 265-3446 ★ | COLEGIO | Education | MA | 2025-07-01 | 2,649 |
| (339) 265-4842 ★ | BOLIVIA | Geography / Local / Directions | MA | 2025-07-01 | 2,511 |
| (339) 265-6877 ★ | COLOURS | Art / Crafts / Greeting Cards | MA | 2025-07-01 | 2,241 |
| (339) 265-8667 ★ | COLUMNS | Building / Construction / Contractor | MA | 2025-07-01 | 2,125 |
| (339) 265-5387 ★ | ANKLETS | Jewelry / Diamonds | MA | 2025-07-01 | 1,739 |
| (339) 265-6733 ★ | COLORED | Art / Crafts / Greeting Cards | MA | 2025-07-01 | 1,654 |
| (339) 265-6626 ★ | COLOMBO | Geography / Local / Directions | MA | 2025-07-01 | 1,632 |
| (339) 265-3883 ★ | COLETTE | Female / Feminine Names | MA | 2025-07-01 | 1,406 |
| (339) 265-2378 ★ | COLBERT | Names / Nicknames | MA | 2025-07-01 | 1,359 |
| (339) 265-6462 ★ | BOLOGNA | Supermarkets / Deli / Groceries | MA | 2025-07-01 | 1,311 |
| (339) 265-4827 ★ | BOLIVAR | Geography / Local / Directions | MA | 2025-07-01 | 1,192 |
| (339) 265-6874 ★ | COLOURING | Music / Stereo / Sound | MA | 2025-07-01 | 999 |
| (339) 265-5344 ★ | COLLEGIATE | Education | MA | 2025-07-01 | 996 |
| (339) 265-6642 ★ | COLONIAL | History | MA | 2025-07-01 | 906 |
| (339) 265-6723 ★ | COLORADO | Geography / Local / Directions | MA | 2025-07-01 | 816 |
| (339) 265-6635 ★ | COLONEL | Military / Government / Patriotic | MA | 2025-07-01 | 662 |
| (339) 265-5474 ★ | COLLISION | Automotive | MA | 2025-07-01 | 639 |
| (339) 265-2876 ★ | COLBURN | Names / Nicknames | MA | 2025-07-01 | 634 |
| (339) 265-5464 ★ | BOLLINGER | Names / Nicknames | MA | 2025-07-01 | 608 |
| (339) 265-5388 ★ | COLLETTE | Names / Nicknames | MA | 2025-07-01 | 491 |
| (339) 265-4283 ★ | COLGATE | Brand Names / Brandable | MA | 2025-07-01 | 416 |
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 TC Systems Inc since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (774) 599-0XXX | MA | Marlboro | 2026-02-13 |
| (774) 599-1XXX | MA | Marlboro | 2026-02-13 |
| (774) 599-2XXX | MA | Marlboro | 2026-02-13 |
| (339) 265-XXXX | MA | Lexington | 2025-07-01 |
| (339) 265-3XXX | MA | Lexington | 2025-07-01 |
| (339) 265-4XXX | MA | Lexington | 2025-07-01 |
| (339) 265-5XXX | MA | Lexington | 2025-07-01 |
| (339) 265-6XXX | MA | Lexington | 2025-07-01 |
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 |
