NumberResearchThousands-blocks in 810-212
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 810-212 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 810 blocks
Most active assignees, all time — NPA 810
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2014-04-09 | 810-212-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF MICHIGAN, LLC - MI | 933G | METAMORA | MI |
| 2015-06-09 | 810-212-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | METAMORA | MI |
| 2020-12-29 | 810-212-2XXX | 2000–2999 | Assigned | ONVOY, LLCV - MI | 543C | METAMORA | MI |
| 2020-12-29 | 810-212-3XXX | 3000–3999 | Assigned | ONVOY, LLCV - MI | 543C | METAMORA | MI |
| 2013-07-12 | 810-212-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | METAMORA | MI |
| 2019-02-27 | 810-212-5XXX | 5000–5999 | Assigned | ONVOY, LLCV - MI | 543C | METAMORA | MI |
| 2016-02-19 | 810-212-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MI | 770E | METAMORA | MI |
| 2014-03-05 | 810-212-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | METAMORA | MI |
| 2019-02-27 | 810-212-8XXX | 8000–8999 | Assigned | ONVOY, LLCV - MI | 543C | METAMORA | MI |
| 2018-10-01 | 810-212-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF MICHIGAN, LLC - MI | 933G | METAMORA | MI |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.