NumberResearchRecent thousands-block assignments
9 blocks assigned in February 2026 · 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, February 2026 — NPA 737
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-02-25 | 737-392-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SAN MARCOS | TX |
| 2026-02-19 | 737-433-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BASTROP | TX |
| 2026-02-18 | 737-434-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2026-02-18 | 737-434-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2026-02-18 | 737-434-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2026-02-18 | 737-434-3XXX | 3000–3999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2026-02-18 | 737-434-4XXX | 4000–4999 | Assigned | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2026-02-06 | 737-403-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | GEORGETOWN | TX |
| 2026-02-06 | 737-425-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | GEORGETOWN | TX |
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.