OCN 225C · Competitive Local Exchange Carrier
Onvoy LLC - WI
d/b/a Neutral Tandem-Illinois LLC
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
3,477
Recent (18 mo)
181
Medium
683
Old
2,582
Area codes
8
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
2003-06-30
2003-06-30
Last assigned block
2025-12-26
2025-12-26
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HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (181) — last 18 mo
- Medium (683)
- Old (2,582)
- Undated (31)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Wisconsin WI · 3,477 · 181
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - WI'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 |
|---|---|---|---|---|---|
| (353) 222-3369 ★ | ACADEMY | Education / College | WI | 2025-08-29 | 127,272 |
| (353) 353-2876 ★ | ELECTRONIC | Technical / Electronics / Software | WI | 2025-12-26 | 115,587 |
| (353) 353-2874 ★ | ELECTRIC | Electrical | WI | 2025-12-26 | 107,752 |
| (353) 222-6366 ★ | ABANDONED | Miscellaneous | WI | 2025-08-29 | 75,221 |
| (534) 244-5373 ★ | CHILDREN | Children / Daycare / Baby | WI | 2025-08-12 | 65,936 |
| (534) 244-2246 ★ | CHICAGO | Geography / Local / Directions | WI | 2025-08-12 | 56,855 |
| (274) 777-4647 ★ | SPRINGS | Geography / Local / Directions | WI | 2025-08-21 | 36,843 |
| (353) 777-4647 ★ | SPRINGS | Geography / Local / Directions | WI | 2025-08-29 | 36,843 |
| (534) 232-7833 ★ | ADAPTED | General | WI | 2025-10-03 | 30,971 |
| (534) 244-6373 ★ | CHINESE | Restaurants | WI | 2025-08-12 | 28,666 |
| (274) 333-3673 ★ | DEFENSE | Martial Arts / Combat | WI | 2025-12-22 | 23,466 |
| (353) 333-3673 ★ | DEFENSE | Martial Arts / Combat | WI | 2025-08-29 | 23,466 |
| (534) 243-6422 ★ | CHEMICAL | Pools / Hot Tubs | WI | 2025-08-12 | 23,408 |
| (534) 244-2536 ★ | CHICKEN | Supermarkets / Deli / Groceries | WI | 2025-08-12 | 21,551 |
| (715) 722-5244 ★ | PACKAGING | Printing | WI | 2025-02-18 | 18,593 |
| (262) 467-4448 ★ | INSIGHT | Data / Databases / Search | WI | 2025-04-15 | 15,494 |
| (262) 426-3224 ★ | HANDBAGS | Accessories / Bags / Shoes | WI | 2025-03-19 | 15,470 |
| (274) 333-3725 ★ | FEDERAL | Military / Government / Patriotic | WI | 2025-12-22 | 14,937 |
| (353) 333-3725 ★ | FEDERAL | Military / Government / Patriotic | WI | 2025-08-29 | 14,937 |
| (262) 426-3435 ★ | HANDHELD | Technical / Electronics / Software | WI | 2025-03-19 | 14,603 |
| (274) 666-8262 ★ | MONTANA | Geography / Local / Directions | WI | 2025-12-22 | 14,215 |
| (353) 666-8262 ★ | MONTANA | Geography / Local / Directions | WI | 2025-08-29 | 14,215 |
| (274) 666-7837 ★ | MONSTER | Scary / Halloween / Dangerous | WI | 2025-12-22 | 13,891 |
| (353) 666-7837 ★ | MONSTER | Scary / Halloween / Dangerous | WI | 2025-08-29 | 13,891 |
| (414) 392-4264 ★ | EXCHANGE | International / Global | WI | 2025-10-02 | 13,166 |
| (274) 444-4929 ★ | HIGHWAY | Geography / Local / Directions | WI | 2025-08-21 | 12,962 |
| (353) 444-4929 ★ | HIGHWAY | Geography / Local / Directions | WI | 2025-08-29 | 12,962 |
| (534) 244-6639 ★ | CHIMNEY | Chimney | WI | 2025-08-12 | 12,634 |
| (353) 353-4268 ★ | ELEGANT | Superlatives / Positive Adjectives | WI | 2025-12-26 | 11,532 |
| (274) 666-3687 ★ | MOMENTS | Calendar / Holidays / Dates | WI | 2025-12-22 | 10,462 |
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 - WI since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (353) 353-XXXX | WI | Belleville | 2025-12-26 |
| (353) 353-3XXX | WI | Belleville | 2025-12-26 |
| (353) 353-4XXX | WI | Belleville | 2025-12-26 |
| (353) 353-5XXX | WI | Belleville | 2025-12-26 |
| (353) 353-6XXX | WI | Belleville | 2025-12-26 |
| (353) 353-7XXX | WI | Belleville | 2025-12-26 |
| (353) 353-8XXX | WI | Belleville | 2025-12-26 |
| (353) 529-XXXX | WI | De Forest | 2025-12-26 |
| (353) 529-7XXX | WI | De Forest | 2025-12-26 |
| (353) 529-8XXX | WI | De Forest | 2025-12-26 |
| (353) 529-9XXX | WI | De Forest | 2025-12-26 |
| (274) 333-XXXX | WI | Randomlake | 2025-12-22 |
| (274) 333-3XXX | WI | Randomlake | 2025-12-22 |
| (274) 333-4XXX | WI | Randomlake | 2025-12-22 |
| (274) 333-5XXX | WI | Randomlake | 2025-12-22 |
| (274) 666-XXXX | WI | Collins | 2025-12-22 |
| (274) 666-6XXX | WI | Collins | 2025-12-22 |
| (274) 666-7XXX | WI | Collins | 2025-12-22 |
| (274) 666-8XXX | WI | Collins | 2025-12-22 |
| (262) 526-3XXX | WI | Waukesha | 2025-12-18 |
| (414) 946-7XXX | WI | Milwaukzn5 | 2025-12-18 |
| (534) 245-2XXX | WI | Shawano | 2025-12-18 |
| (715) 319-6XXX | WI | Superior | 2025-12-18 |
| (715) 727-1XXX | WI | Eau Claire | 2025-12-18 |
| (715) 844-1XXX | WI | Waupaca | 2025-12-18 |
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 |
| 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 |
| 639C | Onvoy LLC - CT | IL | 1,783 | 64 |
| 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 |