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 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 |
|---|---|---|---|---|---|---|---|
| 2013-11-15 | 720-636-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-11-07 | 720-630-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-11-07 | 720-630-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-11-07 | 720-630-2XXX | 2000–2999 | Assigned | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 3467 | DENVER | CO |
| 2013-11-07 | 720-630-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-11-07 | 720-726-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-10-30 | 720-726-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | DENVER | CO |
| 2013-10-30 | 720-726-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | DENVER | CO |
| 2013-10-30 | 720-726-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | DENVER | CO |
| 2013-10-30 | 720-726-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | DENVER | CO |
| 2013-10-30 | 720-726-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | DENVER | CO |
| 2013-10-30 | 720-726-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | DENVER | CO |
| 2013-10-28 | 720-408-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2013-10-28 | 720-408-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CO | 026D | DENVER | CO |
| 2013-10-28 | 720-451-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-28 | 720-451-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-28 | 720-451-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-28 | 720-451-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-28 | 720-451-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-28 | 720-451-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-28 | 720-451-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-28 | 720-451-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-28 | 720-451-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-23 | 720-630-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2013-10-23 | 720-630-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2013-10-23 | 720-630-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2013-10-23 | 720-630-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO |
| 2013-10-18 | 720-403-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-403-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-477-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-477-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-506-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-549-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-552-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LONGMONT | CO |
| 2013-10-18 | 720-590-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-723-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-789-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-808-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-18 | 720-907-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | DENVER | CO |
| 2013-10-17 | 720-403-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF COLORADO, LLC - CO | 278F | DENVER | CO |
| 2013-10-17 | 720-403-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF COLORADO, LLC - CO | 278F | DENVER | CO |
| 2013-10-17 | 720-600-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | LONGMONT | CO |
| 2013-10-08 | 720-390-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-10-08 | 720-390-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-10-08 | 720-390-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-10-08 | 720-390-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-10-08 | 720-390-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-10-08 | 720-403-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-10-08 | 720-403-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
| 2013-10-08 | 720-403-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | DENVER | CO |
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.