OCN 639C · Competitive Local Exchange Carrier
Onvoy LLC - CT
d/b/a Neutral Tandem-New York LLC
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
1,783
Recent (18 mo)
64
Medium
398
Old
1,300
Area codes
4
States
1
Address
2 N La Salle St, Suite 1615
Chicago, IL 60602-3702
2 N La Salle St, Suite 1615
Chicago, IL 60602-3702
Website
Onvoy
Onvoy
First assigned block
2001-01-03
2001-01-03
Last assigned block
2026-03-12
2026-03-12
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HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (64) — last 18 mo
- Medium (398)
- Old (1,300)
- Undated (21)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Connecticut CT · 1,783 · 64
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - CT'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 |
|---|---|---|---|---|---|
| (475) 398-7363 ★ | EXTREME | Superlatives / Positive Adjectives | CT | 2025-12-12 | 19,718 |
| (959) 228-4848 ★ | ACTIVITIES | Recreation / Adventure / Bowling | CT | 2025-05-12 | 16,899 |
| (475) 288-8464 ★ | CUTTING | Verbs / Actions | CT | 2025-11-05 | 14,701 |
| (475) 392-4264 ★ | EXCHANGE | International / Global | CT | 2025-04-16 | 13,166 |
| (959) 228-4464 ★ | BATHING | Bathroom / Toiletries | CT | 2025-05-12 | 13,150 |
| (475) 367-9273 ★ | FORWARD | Verbs / Actions | CT | 2025-01-08 | 10,377 |
| (860) 264-3537 ★ | ANGELES | Geography / Local / Directions | CT | 2025-12-19 | 10,264 |
| (860) 789-9537 ★ | PUZZLES | Toys | CT | 2025-12-19 | 9,407 |
| (959) 228-3746 ★ | CATERING | Parties / DJ / Catering / Events | CT | 2025-05-12 | 8,848 |
| (475) 353-6368 ★ | ELEMENTS | Miscellaneous | CT | 2025-04-08 | 7,727 |
| (475) 288-8377 ★ | CUTTERS | Outdoor / Camping / Landscaping | CT | 2025-11-05 | 6,951 |
| (475) 383-7388 ★ | EVERETT | Geography / Local / Directions | CT | 2024-11-21 | 6,634 |
| (959) 228-4766 ★ | BATHROOM | Bathroom / Toiletries | CT | 2025-05-12 | 6,085 |
| (959) 946-7866 ★ | WINSTON | Names / Nicknames | CT | 2025-09-18 | 5,907 |
| (475) 353-6464 ★ | FLEMING | Names / Nicknames | CT | 2025-04-08 | 5,697 |
| (475) 388-8737 ★ | FUTURES | Financial / Banking / Investing | CT | 2025-08-13 | 5,536 |
| (475) 258-2739 ★ | ALVAREZ | Names / Nicknames | CT | 2025-09-04 | 5,424 |
| (475) 383-7625 ★ | ETERNAL | Religious / Faith / Church | CT | 2024-11-21 | 5,061 |
| (475) 398-3762 ★ | EXTERNAL | General / Generic | CT | 2025-12-12 | 4,592 |
| (475) 398-3746 ★ | EXTERIOR | Painters / Painting | CT | 2025-12-12 | 4,352 |
| (475) 383-6464 ★ | EVENING | Calendar / Holidays / Dates | CT | 2024-11-21 | 3,881 |
| (475) 288-8667 ★ | BUTTONS | Clothing / Apparel / Fabric | CT | 2025-11-05 | 3,529 |
| (475) 264-5377 ★ | BOILERS | Heating / Oil / Gas | CT | 2025-04-08 | 2,673 |
| (475) 384-4225 ★ | ETHICAL | General | CT | 2024-11-21 | 2,659 |
| (860) 784-9667 ★ | QUIZNOS | Education / College | CT | 2025-09-18 | 2,653 |
| (475) 392-3553 ★ | EXCELLENCE | Results / Growth / Trophies | CT | 2025-04-16 | 2,513 |
| (959) 228-4667 ★ | ACTIONS | Verbs / Actions | CT | 2025-05-12 | 2,247 |
| (959) 228-3474 ★ | CATFISH | Fishing / Seafood | CT | 2025-05-12 | 2,207 |
| (860) 264-3778 ★ | AMHERST | Geography / Local / Directions | CT | 2025-12-19 | 2,193 |
| (475) 383-6837 ★ | FUENTES | Names / Nicknames | CT | 2024-11-21 | 2,190 |
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 Onvoy LLC - CT since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (860) 341-0XXX | CT | Storrs | 2026-03-12 |
| (860) 341-9XXX | CT | Storrs | 2026-03-12 |
| (475) 381-2XXX | CT | Wallingfd | 2025-12-19 |
| (860) 264-3XXX | CT | Simsbury | 2025-12-19 |
| (860) 789-9XXX | CT | Windsorlks | 2025-12-19 |
| (203) 842-9XXX | CT | Norwalk | 2025-12-12 |
| (475) 384-7XXX | CT | New Haven | 2025-12-12 |
| (475) 384-9XXX | CT | New Haven | 2025-12-12 |
| (475) 398-XXXX | CT | Huntington | 2025-12-12 |
| (475) 398-0XXX | CT | Huntington | 2025-12-12 |
| (959) 275-1XXX | CT | Farmington | 2025-12-12 |
| (475) 288-8XXX | CT | Norwalk | 2025-11-05 |
| (475) 314-6XXX | CT | Huntington | 2025-11-05 |
| (860) 217-5XXX | CT | Simsbury | 2025-11-05 |
| (475) 384-8XXX | CT | New Haven | 2025-10-14 |
| (475) 369-6XXX | CT | Huntington | 2025-10-02 |
| (475) 381-9XXX | CT | Wallingfd | 2025-10-02 |
| (860) 831-5XXX | CT | Windsorlks | 2025-10-02 |
| (475) 388-2XXX | CT | Stamford | 2025-09-18 |
| (860) 784-9XXX | CT | Simsbury | 2025-09-18 |
| (959) 946-7XXX | CT | Staffd Spg | 2025-09-18 |
| (475) 258-2XXX | CT | Norwalk | 2025-09-04 |
| (959) 595-4XXX | CT | Southingtn | 2025-09-04 |
| (475) 388-8XXX | CT | Stamford | 2025-08-13 |
| (959) 228-3XXX | CT | Cornwall | 2025-05-12 |
Sister OCNs in the Onvoy group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Onvoy group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 649C | Onvoy LLC - CA | IL | 21,516 | 889 |
| 903C | Onvoy LLC - TX | IL | 15,066 | 595 |
| 937C | Onvoy LLC - FL | IL | 11,145 | 1,122 |
| 384C | Onvoy LLC - NY | IL | 9,958 | 478 |
| 547E | Onvoy LLC - PA | IL | 8,313 | 505 |
| 067D | Onvoy LLC - GA | IL | 6,330 | 279 |
| 543C | Onvoy LLC V - MI | IL | 5,779 | 19 |
| 638E | Onvoy LLC - NC | IL | 5,384 | 321 |
| 637C | Onvoy LLC - NJ | IL | 5,188 | 490 |
| 097D | Onvoy LLC - IN | IL | 4,545 | 176 |
| 892D | Onvoy LLC - MA | IL | 4,351 | — |
| 138E | Onvoy LLC - VA | IL | 4,341 | 380 |
| 604E | Onvoy LLC - AL | IL | 4,230 | 90 |
| 093F | Onvoy LLC - MO | IL | 4,204 | 208 |
| 184D | Onvoy LLC - MN | IL | 3,892 | 9 |
| 225C | Onvoy LLC - WI | IL | 3,477 | 181 |
| 026D | Onvoy LLC - CO | IL | 3,190 | 93 |
| 483E | Onvoy LLC - WA | IL | 3,106 | 3 |
| 876D | Onvoy LLC - MD | IL | 3,090 | 253 |
| 749E | Onvoy LLC - LA | IL | 2,987 | 127 |
| 630E | Onvoy LLC - AZ | IL | 2,936 | 11 |
| 221F | Onvoy LLC - IA | IL | 2,799 | 25 |
| 750E | Onvoy LLC - OR | IL | 2,458 | 126 |
| 409F | Onvoy LLC - OK | IL | 2,425 | 78 |
| 548E | Onvoy LLC - SC | IL | 2,418 | 126 |
| 205F | Onvoy LLC - KS | IL | 2,071 | 74 |
| 348F | Onvoy LLC - AR | IL | 1,771 | 162 |
| 871E | Onvoy LLC - UT | IL | 1,634 | 57 |
| 549E | Onvoy LLC - NE | IL | 1,524 | 41 |
| 029F | Onvoy LLC - NV | IL | 1,402 | 44 |
| 206F | Onvoy LLC - NM | IL | 1,263 | 46 |
| 449F | Onvoy LLC - WV | IL | 1,168 | 12 |
| 850D | Onvoy LLC - DC | IL | 688 | 37 |
| 451F | Onvoy LLC - VT | IL | 652 | 17 |
| 450F | Onvoy LLC - WY | IL | 626 | 27 |
| 969E | Onvoy LLC - DE | IL | 608 | 27 |
| 452F | Onvoy LLC - ND | IL | 502 | — |
| 977E | Onvoy LLC - RI | IL | 463 | 21 |
| 210H | Onvoy LLC - HI | IL | 365 | 20 |
| 559F | Neutral Tandem - PR | IL | 169 | 12 |