NumberResearchRecent thousands-block assignments
9 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, last 30 days — NPA 928
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 |
|---|---|---|---|---|---|---|---|
| 2024-04-30 | 928-405-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - AZ | 3285 | FLAGSTAFF | AZ |
| 2024-04-22 | 928-491-6XXX | 6000–6999 | Assigned | ONVOY, LLC - AZ | 630E | GLOBE | AZ |
| 2024-04-22 | 928-491-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AZ | 630E | GLOBE | AZ |
| 2024-04-22 | 928-508-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | YUMA | AZ |
| 2024-04-22 | 928-880-2XXX | 2000–2999 | Assigned | ONVOY, LLC - AZ | 630E | KINGMAN | AZ |
| 2024-04-22 | 928-880-3XXX | 3000–3999 | Assigned | ONVOY, LLC - AZ | 630E | KINGMAN | AZ |
| 2024-04-16 | 928-872-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | BULLHDCYN | AZ |
| 2024-04-10 | 928-510-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF ARIZONA, LLC - AZ | 579F | SOMERTON | AZ |
| 2024-04-04 | 928-324-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SAFFORD | AZ |
| 2024-04-04 | 928-540-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | LKHAVASUCY | AZ |
| 2024-03-18 | 928-324-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SAFFORD | AZ |
| 2024-03-18 | 928-508-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | YUMA | AZ |
| 2024-03-18 | 928-508-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | YUMA | AZ |
| 2024-03-18 | 928-510-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SOMERTON | AZ |
| 2024-03-06 | 928-406-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | WINSLOW | AZ |
| 2024-03-06 | 928-531-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PRESCOTT | AZ |
| 2024-03-06 | 928-531-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PRESCOTT | AZ |
| 2024-03-01 | 928-324-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | SAFFORD | AZ |
| 2024-03-01 | 928-498-2XXX | 2000–2999 | Assigned | COMMIO, LLC | 939H | SNOWFLAKE | AZ |
| 2024-03-01 | 928-508-0XXX | 0000–0999 | Assigned | COMMIO, LLC | 939H | YUMA | AZ |
| 2024-03-01 | 928-508-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | YUMA | AZ |
| 2024-03-01 | 928-508-8XXX | 8000–8999 | Assigned | COMMIO, LLC | 939H | YUMA | AZ |
| 2024-03-01 | 928-622-2XXX | 2000–2999 | Assigned | COMMIO, LLC | 939H | FLAGSTAFF | AZ |
| 2024-03-01 | 928-666-5XXX | 5000–5999 | Assigned | COMMIO, LLC | 939H | FLAGSTAFF | AZ |
| 2024-03-01 | 928-880-8XXX | 8000–8999 | Assigned | COMMIO, LLC | 939H | KINGMAN | AZ |
| 2024-02-27 | 928-506-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PIMA | AZ |
| 2024-02-19 | 928-531-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PRESCOTT | AZ |
| 2024-02-19 | 928-531-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PRESCOTT | AZ |
| 2024-02-12 | 928-456-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | FLAGSTAFF | AZ |
| 2024-02-01 | 928-534-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | SAFFORD | AZ |
| 2024-01-18 | 928-469-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | PARKER | AZ |
| 2024-01-18 | 928-595-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | PAYSON | AZ |
| 2024-01-18 | 928-862-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SEDONA | AZ |
| 2024-01-16 | 928-408-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | YUMA | AZ |
| 2024-01-16 | 928-473-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GLOBE | AZ |
| 2024-01-04 | 928-456-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FLAGSTAFF | AZ |
| 2023-12-22 | 928-880-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | KINGMAN | AZ |
| 2023-12-22 | 928-880-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | KINGMAN | AZ |
| 2023-12-20 | 928-940-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PINETOP | AZ |
| 2023-12-15 | 928-510-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SOMERTON | AZ |
| 2023-12-15 | 928-516-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MOHAVE VLY | AZ |
| 2023-12-14 | 928-500-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | AGUILA | AZ |
| 2023-12-14 | 928-500-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | AGUILA | AZ |
| 2023-12-07 | 928-456-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | FLAGSTAFF | AZ |
| 2023-11-20 | 928-258-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | AGUILA | AZ |
| 2023-11-20 | 928-258-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | AGUILA | AZ |
| 2023-11-20 | 928-464-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | WICKENBURG | AZ |
| 2023-11-20 | 928-464-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | WICKENBURG | AZ |
| 2023-11-15 | 928-405-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FLAGSTAFF | AZ |
| 2023-10-31 | 928-232-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ | 6572 | WICKENBURG | AZ |
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.