OCN 638E · Competitive Local Exchange Carrier
Onvoy LLC - NC
d/b/a Neutral Tandem-North Carolina LLC
Part of the Onvoy group — 41 OCNs across 41 states · 159,817 blocks combined.
Total blocks
5,384
Recent (18 mo)
321
Medium
1,143
Old
3,887
Area codes
10
States
1
Address
1 S Wacker Dr, Suite 200
Chicago, IL 60606-4614
1 S Wacker Dr, Suite 200
Chicago, IL 60606-4614
Website
Onvoy
Onvoy
First assigned block
2002-05-07
2002-05-07
Last assigned block
2026-03-18
2026-03-18
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HQ — Chicago, IL
Block portfolio at a glance
By age
- Recent (321) — last 18 mo
- Medium (1,143)
- Old (3,887)
- Undated (33)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- North Carolina NC · 5,384 · 321
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - NC'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 |
|---|---|---|---|---|---|
| (743) 287-4637 ★ | BUSINESS | Business | NC | 2026-03-12 | 162,448 |
| (984) 397-7377 ★ | EXPRESS | Mail / Postal Services | NC | 2025-03-13 | 134,035 |
| (984) 252-7742 ★ | CLASSIC | Superlatives / Positive Adjectives | NC | 2025-01-08 | 46,553 |
| (828) 356-9377 ★ | FLOWERS | Flowers / Gift Baskets | NC | 2025-03-13 | 45,241 |
| (472) 267-6384 ★ | COSMETIC | Cosmetics / Beauty Salons | NC | 2025-04-08 | 43,962 |
| (472) 285-2682 ★ | ATLANTA | Geography / Local / Directions | NC | 2026-02-18 | 41,024 |
| (252) 647-7466 ★ | MISSION | Religious / Faith / Church | NC | 2025-03-13 | 35,846 |
| (984) 837-8464 ★ | TESTING | Health Care / Medical / Hospitals | NC | 2026-03-12 | 31,903 |
| (984) 252-7737 ★ | CLASSES | Education / College | NC | 2025-01-08 | 31,532 |
| (984) 397-3787 ★ | EXPERTS | Consulting / Therapy / Planning | NC | 2025-03-13 | 27,980 |
| (472) 226-3727 ★ | CAMERAS | Security / Protection / Fencing | NC | 2025-09-22 | 24,182 |
| (980) 374-8464 ★ | DRIVING | Transportation / Taxi / Delivery | NC | 2024-12-12 | 23,804 |
| (472) 333-3673 ★ | DEFENSE | Martial Arts / Combat | NC | 2025-07-14 | 23,466 |
| (472) 285-8873 ★ | CULTURE | Art / Crafts / Greeting Cards | NC | 2026-02-18 | 21,207 |
| (743) 264-6257 ★ | ANIMALS | Animals / Taxidermy / Veterinarian | NC | 2026-01-30 | 20,857 |
| (984) 398-7363 ★ | EXTREME | Superlatives / Positive Adjectives | NC | 2025-04-08 | 19,718 |
| (984) 396-2642 ★ | DYNAMIC | Superlatives / Positive Adjectives | NC | 2025-03-13 | 18,762 |
| (336) 729-6368 ★ | PAYMENT | Mortgage / Refinance / Loans | NC | 2025-10-02 | 18,552 |
| (336) 729-6663 ★ | RAYMOND | Financial / Banking / Investing | NC | 2025-10-02 | 18,338 |
| (472) 246-2652 ★ | CHOCOLATE | Supermarkets / Deli | NC | 2025-09-22 | 17,813 |
| (984) 252-6538 ★ | BLANKETS | Sleep / Mattresses / Comfort | NC | 2025-10-02 | 17,136 |
| (472) 252-2262 ★ | ALABAMA | Geography / Local / Directions | NC | 2025-10-02 | 16,883 |
| (472) 333-3725 ★ | FEDERAL | Military / Government / Patriotic | NC | 2025-07-14 | 14,937 |
| (828) 834-3822 ★ | VEGETABLES | Supermarkets / Deli / Groceries | NC | 2024-12-12 | 14,492 |
| (472) 666-8262 ★ | MONTANA | Geography / Local / Directions | NC | 2025-12-22 | 14,215 |
| (252) 736-2457 ★ | PENCILS | Office / Administration | NC | 2025-12-11 | 13,913 |
| (472) 666-7837 ★ | MONSTER | Scary / Halloween / Dangerous | NC | 2025-12-22 | 13,891 |
| (472) 226-3537 ★ | CANDLES | Shopping / Gifts / Novelties | NC | 2025-09-22 | 13,535 |
| (472) 444-4929 ★ | HIGHWAY | Geography / Local / Directions | NC | 2025-07-14 | 12,962 |
| (743) 287-4377 ★ | BURGERS | Restaurants | NC | 2026-03-12 | 12,487 |
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 - NC since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (704) 340-9XXX | NC | Charlotte | 2026-03-18 |
| (743) 210-4XXX | NC | Walkertown | 2026-03-18 |
| (910) 805-3XXX | NC | Wilmington | 2026-03-18 |
| (910) 805-4XXX | NC | Wilmington | 2026-03-18 |
| (252) 759-8XXX | NC | Roanokerpd | 2026-03-12 |
| (252) 760-1XXX | NC | Edenton | 2026-03-12 |
| (336) 916-3XXX | NC | Madison | 2026-03-12 |
| (472) 246-7XXX | NC | Dunn | 2026-03-12 |
| (743) 287-4XXX | NC | Greensboro | 2026-03-12 |
| (828) 367-5XXX | NC | Asheville | 2026-03-12 |
| (910) 837-3XXX | NC | Tabor City | 2026-03-12 |
| (980) 448-6XXX | NC | Gastonia | 2026-03-12 |
| (980) 519-1XXX | NC | Monroe | 2026-03-12 |
| (980) 870-7XXX | NC | Cherryvl | 2026-03-12 |
| (984) 339-9XXX | NC | Knightdale | 2026-03-12 |
| (984) 402-1XXX | NC | Angier | 2026-03-12 |
| (984) 407-6XXX | NC | Raleigh | 2026-03-12 |
| (984) 407-7XXX | NC | Raleigh | 2026-03-12 |
| (984) 837-8XXX | NC | Durham | 2026-03-12 |
| (984) 842-7XXX | NC | Louisburg | 2026-03-12 |
| (252) 279-1XXX | NC | New Bern | 2026-03-02 |
| (252) 303-8XXX | NC | Springhope | 2026-03-02 |
| (252) 663-9XXX | NC | Snow Hill | 2026-03-02 |
| (252) 768-7XXX | NC | Wilson | 2026-03-02 |
| (252) 786-2XXX | NC | Ahoskie | 2026-03-02 |
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 |
| 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 |
| 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 |