NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, all time — NPA 610
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-04-26 | 610-206-1XXX | 1000–1999 | Assigned | WIDE VOICE, LLC - PA | 218H | PHPHSBZN23 | PA |
| 2016-04-26 | 610-206-4XXX | 4000–4999 | Assigned | WIDE VOICE, LLC - PA | 218H | PHPHSBZN23 | PA |
| 2016-04-26 | 610-426-6XXX | 6000–6999 | Assigned | WIDE VOICE, LLC - PA | 218H | KUTZTOWN | PA |
| 2016-02-04 | 610-601-7XXX | 7000–7999 | Assigned | WIDE VOICE, LLC - PA | 218H | CHESTERSPG | PA |
| 2015-12-09 | 610-474-5XXX | 5000–5999 | Assigned | WIDE VOICE, LLC - PA | 218H | ROYERSFORD | PA |
| 2015-12-09 | 610-569-3XXX | 3000–3999 | Assigned | WIDE VOICE, LLC - PA | 218H | ROYERSFORD | PA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.