NumberResearchThousands-blocks in 810-633
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 810-633 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
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2014-03-19 | 810-633-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF MICHIGAN, LLC - MI | 933G | APPLEGATE | MI |
| — | 810-633-1XXX | 1000–1999 | Available | APPLEGATE | MI | ||
| 2009-11-04 | 810-633-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | APPLEGATE | MI |
| — | 810-633-3XXX | 3000–3999 | Available | APPLEGATE | MI | ||
| 2010-05-19 | 810-633-4XXX | 4000–4999 | Assigned | CLEAR RATE COMMUNICATIONS, LLC | 046L | APPLEGATE | MI |
| — | 810-633-5XXX | 5000–5999 | Available | APPLEGATE | MI | ||
| — | 810-633-6XXX | 6000–6999 | Available | APPLEGATE | MI | ||
| 2021-05-17 | 810-633-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | APPLEGATE | MI |
| 2022-03-23 | 810-633-8XXX | 8000–8999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | APPLEGATE | MI |
| — | 810-633-9XXX | 9000–9999 | Reserved | MICHIGAN BELL TEL CO | 9323 | APPLEGATE | MI |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.