OCN 026D · Competitive Local Exchange Carrier
Onvoy LLC - CO
d/b/a Neutral Tandem-Colorado LLC
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
3,190
Recent (18 mo)
93
Medium
272
Old
2,764
Area codes
5
States
1
Address
1 S Wacker Dr
Chicago, IL 60606-4614
1 S Wacker Dr
Chicago, IL 60606-4614
Website
Onvoy
Onvoy
First assigned block
2001-05-14
2001-05-14
Last assigned block
2026-01-30
2026-01-30
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HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (93) — last 18 mo
- Medium (272)
- Old (2,764)
- Undated (61)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- Colorado CO · 3,190 · 93
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - CO'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 |
|---|---|---|---|---|---|
| (983) 277-2728 ★ | APPARATUS | VAN | CO | 2026-01-27 | 100,693 |
| (983) 277-2735 ★ | APPAREL | Clothing / Apparel / Fabric | CO | 2026-01-27 | 37,299 |
| (983) 226-2355 ★ | CANCELLED | Miscellaneous | CO | 2025-09-24 | 25,716 |
| (983) 226-3727 ★ | CAMERAS | Security / Protection / Fencing | CO | 2025-09-24 | 24,182 |
| (983) 226-5464 ★ | BANKING | Financial / Banking / Investing | CO | 2025-09-24 | 18,565 |
| (983) 226-7464 ★ | CAMPING | Outdoor / Camping / Landscaping | CO | 2025-09-24 | 14,911 |
| (983) 226-3537 ★ | CANDLES | Shopping / Gifts / Novelties | CO | 2025-09-24 | 13,535 |
| (983) 226-3766 ★ | CAMERON | Names / Nicknames | CO | 2025-09-24 | 10,786 |
| (983) 277-3776 ★ | ASSESSMENT | General | CO | 2026-01-27 | 8,217 |
| (983) 226-4565 ★ | BANGKOK | International / Global | CO | 2025-09-24 | 5,930 |
| (983) 226-6377 ★ | BANNERS | Signs / Banners | CO | 2025-09-24 | 5,418 |
| (983) 223-7277 ★ | CAESARS | Brand Names / Brandable | CO | 2026-01-27 | 4,998 |
| (719) 792-6766 ★ | SWANSON | Names / Nicknames | CO | 2024-12-13 | 4,832 |
| (983) 226-6224 ★ | CANNABIS | Marijuana / Smoking / Vaping | CO | 2025-09-24 | 4,755 |
| (983) 226-3437 ★ | CANDIES | Supermarkets / Deli / Groceries | CO | 2025-09-24 | 4,265 |
| (983) 226-8462 ★ | CANTINA | Restaurants | CO | 2025-09-24 | 3,611 |
| (983) 226-4553 ★ | CAMILLE | Female / Feminine Names | CO | 2025-09-24 | 3,596 |
| (720) 437-7372 ★ | HERRERA | Names / Nicknames | CO | 2024-11-20 | 3,363 |
| (983) 226-2742 ★ | CAMBRIA | Geography / Local / Directions | CO | 2025-09-24 | 2,959 |
| (983) 226-5377 ★ | BANKERS | Financial / Banking / Investing | CO | 2025-09-24 | 2,811 |
| (983) 226-8784 ★ | ACOUSTIC | Music / Stereo / Sound | CO | 2025-09-24 | 2,637 |
| (970) 343-3373 ★ | DIFFERENT | General | CO | 2026-01-30 | 2,536 |
| (983) 226-6835 ★ | CAMOUFLAGE | General | CO | 2025-09-24 | 2,503 |
| (720) 437-7464 ★ | HERRING | Fishing / Seafood | CO | 2024-11-20 | 2,478 |
| (983) 226-3568 ★ | CAMELOT | Royal / Crown / King / Prince | CO | 2025-09-24 | 2,469 |
| (983) 226-3223 ★ | CANDACE | Female / Feminine Names | CO | 2025-09-24 | 2,462 |
| (983) 226-3423 ★ | CANDICE | Female / Feminine Names | CO | 2025-09-24 | 2,160 |
| (983) 226-7377 ★ | CAMPERS | Travel / Hotels | CO | 2025-09-24 | 2,147 |
| (720) 362-3333 ★ | EMBEDDED | Technical / Electronics / Software | CO | 2024-11-20 | 2,137 |
| (303) 647-8262 ★ | NIRVANA | Mental Health / Emotions / Attitude | CO | 2025-01-08 | 1,961 |
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 - CO since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (970) 343-3XXX | CO | Vail | 2026-01-30 |
| (983) 223-XXXX | CO | Longmont | 2026-01-27 |
| (983) 223-0XXX | CO | Longmont | 2026-01-27 |
| (983) 223-1XXX | CO | Longmont | 2026-01-27 |
| (983) 223-2XXX | CO | Longmont | 2026-01-27 |
| (983) 223-3XXX | CO | Longmont | 2026-01-27 |
| (983) 277-2XXX | CO | Denver | 2026-01-27 |
| (983) 277-3XXX | CO | Denver | 2026-01-27 |
| (719) 780-3XXX | CO | Pueblo | 2026-01-14 |
| (970) 486-5XXX | CO | Dillon | 2026-01-14 |
| (970) 971-9XXX | CO | Ft Collins | 2026-01-14 |
| (720) 208-4XXX | CO | Denver | 2026-01-13 |
| (720) 239-6XXX | CO | Denver | 2026-01-13 |
| (970) 912-8XXX | CO | Cortez | 2026-01-13 |
| (983) 900-3XXX | CO | Denver | 2026-01-13 |
| (983) 900-4XXX | CO | Denver | 2026-01-13 |
| (983) 900-5XXX | CO | Denver | 2026-01-13 |
| (983) 900-6XXX | CO | Denver | 2026-01-13 |
| (983) 900-7XXX | CO | Denver | 2026-01-13 |
| (970) 841-3XXX | CO | Craig | 2025-12-17 |
| (970) 916-XXXX | CO | Aspen | 2025-12-17 |
| (970) 916-0XXX | CO | Aspen | 2025-12-17 |
| (983) 227-0XXX | CO | Fortlupton | 2025-12-17 |
| (983) 900-1XXX | CO | Denver | 2025-12-17 |
| (983) 900-2XXX | CO | Denver | 2025-12-17 |
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 |
| 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 |