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 720
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2006-02-10 | 720-240-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2006-02-10 | 720-240-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2006-02-10 | 720-240-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2006-02-10 | 720-240-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2006-02-10 | 720-684-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | LONGMONT | CO |
| 2006-02-10 | 720-684-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | LONGMONT | CO |
| 2006-02-10 | 720-685-5XXX | 5000–5999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-0XXX | 0000–0999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-1XXX | 1000–1999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-2XXX | 2000–2999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-3XXX | 3000–3999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-4XXX | 4000–4999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-5XXX | 5000–5999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-6XXX | 6000–6999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-7XXX | 7000–7999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-8XXX | 8000–8999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-10 | 720-777-9XXX | 9000–9999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-02-06 | 720-251-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2006-02-06 | 720-468-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2006-02-06 | 720-468-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2006-02-06 | 720-468-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2006-01-23 | 720-744-1XXX | 1000–1999 | Assigned | QWEST CORPORATION | 9636 | DENVER | CO |
| 2006-01-20 | 720-227-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2006-01-19 | 720-343-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-19 | 720-343-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-19 | 720-343-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-19 | 720-343-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-19 | 720-343-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-10 | 720-230-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-10 | 720-282-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-06 | 720-262-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-06 | 720-262-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2006-01-04 | 720-864-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | LONGMONT | CO |
| 2006-01-04 | 720-864-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CO | 026D | LONGMONT | CO |
| 2006-01-03 | 720-310-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CO | 026D | ALLNSPKLYN | CO |
| 2005-12-16 | 720-232-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2005-12-12 | 720-266-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2005-11-10 | 720-384-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2005-11-10 | 720-384-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2005-11-10 | 720-384-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2005-11-10 | 720-384-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2005-11-09 | 720-225-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | DENVER | CO |
| 2005-11-04 | 720-883-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2005-11-04 | 720-883-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2005-11-04 | 720-883-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2005-11-04 | 720-883-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2005-11-04 | 720-883-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2005-11-04 | 720-883-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2005-11-04 | 720-891-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2005-11-04 | 720-891-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
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.