OCN 637E · Competitive Local Exchange Carrier
Onvoy LLC - NH
d/b/a Neutral Tandem-New Hampshire LLC
Part of the Neutral Tandem group — 10 OCNs across 11 states · 27,664 blocks combined.
Total blocks
219
Recent (18 mo)
7
Medium
33
Old
176
Area codes
1
States
1
Address
1 S Wacker Dr, Suite 200
Chicago, IL 60606-4614
1 S Wacker Dr, Suite 200
Chicago, IL 60606-4614
Website
Neutral Tandem
Neutral Tandem
First assigned block
2007-08-01
2007-08-01
Last assigned block
2026-02-18
2026-02-18
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HQ — Chicago, IL


Block portfolio at a glance
By age
- Recent (7) — last 18 mo
- Medium (33)
- Old (176)
- Undated (3)
Footprint by state
Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.
- New Hampshire NH · 219 · 7
Top area codes
Bars show total blocks; red overlay is recent.
Block assignments by year
Best vanity numbers from Onvoy LLC - NH'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 |
|---|---|---|---|---|---|
| (603) 877-2253 ★ | UPSCALE | Premium | NH | 2026-02-18 | 2,253 |
| (603) 272-7863 ★ | APARTMENTS | Real Estate | NH | 2025-01-10 | 2,251 |
| (603) 272-7437 ★ | CRASHES | Automotive | NH | 2025-01-10 | 721 |
| (603) 272-7246 ★ | ARAPAHOE | Geography | NH | 2025-01-10 | 232 |
| (603) 272-7433 ★ | CRASHED | Automotive | NH | 2025-01-10 | 172 |
| (603) 272-7737 ★ | BRASSERIE | Supermarkets / Deli | NH | 2025-01-10 | 142 |
| (603) 272-7446 ★ | CRASHING | General | NH | 2025-01-10 | 53 |
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 - NH since 2024-11-12.
| Number block | State | Rate center | Assigned |
|---|---|---|---|
| (603) 877-2XXX | NH | New London | 2026-02-18 |
| (603) 272-7XXX | NH | Piermont | 2025-01-10 |
| (603) 916-2XXX | NH | Meredith | 2025-01-10 |
| (603) 375-3XXX | NH | Ashland | 2025-01-06 |
| (603) 850-3XXX | NH | Lisbon | 2025-01-06 |
| (603) 378-1XXX | NH | Plaistow | 2024-12-24 |
| (603) 859-8XXX | NH | New Durham | 2024-12-19 |
Sister OCNs in the Neutral Tandem group
Same customer-facing carrier, different state-registered OCN. Combined stats are on the Neutral Tandem group page.
| OCN | Company name on file | HQ state | Total | Recent |
|---|---|---|---|---|
| 224C | Onvoy LLC | IL | 8,314 | 406 |
| 464C | Onvoy LLC - OH | IL | 7,228 | 392 |
| 525E | Onvoy LLC - TN | IL | 3,788 | 166 |
| 896E | Onvoy LLC - KY | IL | 2,918 | 69 |
| 719E | Onvoy LLC - MS | IL | 2,104 | 35 |
| 689F | Onvoy LLC - ID | IL | 1,302 | 12 |
| 453F | Onvoy LLC - MT | IL | 905 | 4 |
| 162G | Onvoy LLC - SD | IL | 513 | 8 |
| 454F | Onvoy LLC - ME | IL | 373 | 1 |
