NumberResearchRecent thousands-block assignments
12 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 319
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 |
|---|---|---|---|---|---|---|---|
| 2022-09-27 | 319-319-2XXX | 2000–2999 | Assigned | ONVOY, LLC - IA | 221F | IOWA CITY | IA |
| 2022-09-27 | 319-319-3XXX | 3000–3999 | Assigned | ONVOY, LLC - IA | 221F | IOWA CITY | IA |
| 2022-09-27 | 319-319-4XXX | 4000–4999 | Assigned | ONVOY, LLC - IA | 221F | IOWA CITY | IA |
| 2022-09-27 | 319-319-5XXX | 5000–5999 | Assigned | ONVOY, LLC - IA | 221F | IOWA CITY | IA |
| 2022-09-27 | 319-319-6XXX | 6000–6999 | Assigned | ONVOY, LLC - IA | 221F | IOWA CITY | IA |
| 2022-09-27 | 319-319-7XXX | 7000–7999 | Assigned | ONVOY, LLC - IA | 221F | IOWA CITY | IA |
| 2022-09-27 | 319-319-8XXX | 8000–8999 | Assigned | ONVOY, LLC - IA | 221F | IOWA CITY | IA |
| 2022-09-27 | 319-319-9XXX | 9000–9999 | Assigned | ONVOY, LLC - IA | 221F | IOWA CITY | IA |
| 2022-09-16 | 319-508-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
| 2022-09-16 | 319-508-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
| 2022-09-15 | 319-288-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
| 2022-09-14 | 319-387-8XXX | 8000–8999 | Assigned | ONVOY, LLC - IA | 221F | CENTRAL CY | IA |
| 2022-09-01 | 319-304-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - IA | 985E | CEDAR RPDS | IA |
| 2022-09-01 | 319-316-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | FT MADISON | IA |
| 2022-08-26 | 319-340-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | WATERLOO | IA |
| 2022-08-26 | 319-340-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | WATERLOO | IA |
| 2022-08-07 | 319-340-7XXX | 7000–7999 | Assigned | COMMIO, LLC | 939H | WATERLOO | IA |
| 2022-08-07 | 319-380-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | BURLINGTON | IA |
| 2022-08-07 | 319-767-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | KEOKUK | IA |
| 2022-07-29 | 319-381-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | IOWA CITY | IA |
| 2022-07-27 | 319-340-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | WATERLOO | IA |
| 2022-07-26 | 319-387-4XXX | 4000–4999 | Assigned | ONVOY, LLC - IA | 221F | CENTRAL CY | IA |
| 2022-07-21 | 319-280-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
| 2022-07-21 | 319-280-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
| 2022-07-21 | 319-280-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
| 2022-07-15 | 319-837-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IA | 9877 | WEST POINT | IA |
| 2022-07-12 | 319-222-5XXX | 5000–5999 | Assigned | COMMIO, LLC | 939H | CEDARFALLS | IA |
| 2022-07-12 | 319-407-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | WAVERLY | IA |
| 2022-07-12 | 319-458-1XXX | 1000–1999 | Assigned | COMMIO, LLC | 939H | WASHINGTON | IA |
| 2022-06-29 | 319-265-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | CEDAR RPDS | IA |
| 2022-06-29 | 319-853-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NO LIBERTY | IA |
| 2022-06-28 | 319-255-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | COLUMBSJCT | IA |
| 2022-06-28 | 319-344-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | COLUMBSJCT | IA |
| 2022-06-22 | 319-893-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IA | 8344 | CEDAR RPDS | IA |
| 2022-06-13 | 319-304-8XXX | 8000–8999 | Assigned | UNITED STATES CELLULAR - IA | 6266 | CEDAR RPDS | IA |
| 2022-06-09 | 319-410-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | OELWEIN | IA |
| 2022-05-17 | 319-388-3XXX | 3000–3999 | Assigned | ONVOY, LLC - IA | 221F | DONNELLSON | IA |
| 2022-05-06 | 319-244-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IA | 9877 | ELY | IA |
| 2022-05-04 | 319-348-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | WATERLOO | IA |
| 2022-05-04 | 319-348-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | WATERLOO | IA |
| 2022-04-28 | 319-942-2XXX | 2000–2999 | Assigned | ONVOY, LLC - IA | 221F | HILLSBORO | IA |
| 2022-04-25 | 319-767-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | KEOKUK | IA |
| 2022-03-25 | 319-776-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | ROWLEY | IA |
| 2022-03-25 | 319-992-2XXX | 2000–2999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | TIFFIN | IA |
| 2022-03-24 | 319-767-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | KEOKUK | IA |
| 2022-03-23 | 319-738-7XXX | 7000–7999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | KESWICK | IA |
| 2022-03-23 | 319-946-6XXX | 6000–6999 | Assigned | TON80 COMMUNICATIONS, LLC | 516J | MOUNTUNION | IA |
| 2022-03-21 | 319-280-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
| 2022-03-21 | 319-280-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
| 2022-03-21 | 319-280-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | KEOSAUQUA | IA |
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.