NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
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 757
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2018-11-06 | 757-808-1XXX | 1000–1999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WILLIAMSBG | VA |
| 2018-11-06 | 757-808-2XXX | 2000–2999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WILLIAMSBG | VA |
| 2018-11-06 | 757-808-3XXX | 3000–3999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WILLIAMSBG | VA |
| 2007-04-06 | 757-818-6XXX | 6000–6999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | NRFOLKZON2 | VA |
| 2005-08-22 | 757-763-1XXX | 1000–1999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | NRFOLKZON2 | VA |
| 2005-08-22 | 757-763-2XXX | 2000–2999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | NRFOLKZON2 | VA |
| 2005-08-22 | 757-763-3XXX | 3000–3999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | NRFOLKZON2 | VA |
| 2005-08-22 | 757-763-4XXX | 4000–4999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | NRFOLKZON2 | VA |
| 2005-08-22 | 757-763-5XXX | 5000–5999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | NRFOLKZON2 | VA |
| 2004-09-28 | 757-295-2XXX | 2000–2999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | NRFOLKZON3 | VA |
| 2004-02-23 | 757-966-4XXX | 4000–4999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | NRFOLKZON3 | VA |
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.