NumberResearchRecent thousands-block assignments
40 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
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, last 30 days — NPA 970
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-05-23 | 970-812-5XXX | 5000–5999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | GRAND JCT | CO |
| 2008-05-15 | 970-672-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CO | 026D | FT COLLINS | CO |
| 2008-05-13 | 970-620-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | CRAIG | CO |
| 2008-05-12 | 970-823-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | OLATHE | CO |
| 2008-05-08 | 970-676-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | DOLORES | CO |
| 2008-05-07 | 970-462-0XXX | 0000–0999 | Assigned | ZIPPYTECH INCORPORATED | 588A | GRAND JCT | CO |
| 2008-05-06 | 970-805-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | MEAD | CO |
| 2008-05-02 | 970-417-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MONTROSE | CO |
| 2008-05-02 | 970-456-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GLENWD SPG | CO |
| 2008-05-02 | 970-589-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GRAND JCT | CO |
| 2008-04-28 | 970-492-8XXX | 8000–8999 | Assigned | QWEST CORPORATION | 9636 | FT COLLINS | CO |
| 2008-04-24 | 970-533-5XXX | 5000–5999 | Assigned | FASTTRACK COMMUNICATIONS, INC. - CO | 330B | MANCOS | CO |
| 2008-04-23 | 970-417-4XXX | 4000–4999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MONTROSE | CO |
| 2008-04-22 | 970-584-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GREELEY | CO |
| 2008-04-21 | 970-665-6XXX | 6000–6999 | Assigned | QWEST CORPORATION | 9636 | RIFLE | CO |
| 2008-04-21 | 970-665-7XXX | 7000–7999 | Assigned | QWEST CORPORATION | 9636 | RIFLE | CO |
| 2008-04-18 | 970-584-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| 2008-04-15 | 970-423-8XXX | 8000–8999 | Assigned | QWEST CORPORATION | 9636 | BRECKENRDG | CO |
| 2008-04-15 | 970-672-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | FT COLLINS | CO |
| 2008-04-15 | 970-673-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | GREELEY | CO |
| 2008-04-15 | 970-685-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | LOVELAND | CO |
| 2008-04-14 | 970-779-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DURANGO | CO |
| 2008-04-14 | 970-779-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DURANGO | CO |
| 2008-04-09 | 970-729-7XXX | 7000–7999 | Assigned | FASTTRACK COMMUNICATIONS, INC. - CO | 330B | TELLURIDE | CO |
| 2008-04-08 | 970-456-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GLENWD SPG | CO |
| 2008-04-08 | 970-456-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GLENWD SPG | CO |
| 2008-04-08 | 970-901-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | MONTROSE | CO |
| 2008-04-07 | 970-368-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DILLON | CO |
| 2008-03-25 | 970-369-2XXX | 2000–2999 | Assigned | FASTTRACK COMMUNICATIONS, INC. - CO | 330B | TELLURIDE | CO |
| 2008-03-24 | 970-399-4XXX | 4000–4999 | Assigned | FASTTRACK COMMUNICATIONS, INC. - CO | 330B | DELTA | CO |
| 2008-03-18 | 970-306-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VAIL | CO |
| 2008-03-18 | 970-306-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VAIL | CO |
| 2008-03-18 | 970-372-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FT COLLINS | CO |
| 2008-03-18 | 970-492-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FT COLLINS | CO |
| 2008-03-11 | 970-619-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LOVELAND | CO |
| 2008-03-05 | 970-568-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CO | 026D | FT COLLINS | CO |
| 2008-02-14 | 970-712-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GRAND JCT | CO |
| 2008-02-14 | 970-712-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GRAND JCT | CO |
| 2008-02-14 | 970-712-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GRAND JCT | CO |
| 2008-02-14 | 970-712-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GRAND JCT | CO |
| 2008-02-13 | 970-281-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FRASER | CO |
| 2008-02-13 | 970-367-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | STEAMBOSPG | CO |
| 2008-02-08 | 970-417-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MONTROSE | CO |
| 2008-02-05 | 970-685-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | LOVELAND | CO |
| 2008-02-01 | 970-237-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | FT COLLINS | CO |
| 2008-01-23 | 970-306-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VAIL | CO |
| 2008-01-23 | 970-367-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | STEAMBOSPG | CO |
| 2008-01-22 | 970-237-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | FT COLLINS | CO |
| 2008-01-22 | 970-620-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | CRAIG | CO |
| 2008-01-22 | 970-712-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | GRAND JCT | CO |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.