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 |
|---|---|---|---|---|---|---|---|
| 2026-01-07 | 319-510-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BURLINGTON | IA |
| 2026-01-06 | 319-407-6XXX | 6000–6999 | Assigned | UNITED STATES CELLULAR - IA | 6266 | WAVERLY | IA |
| 2026-01-06 | 319-407-7XXX | 7000–7999 | Assigned | UNITED STATES CELLULAR - IA | 6266 | WAVERLY | IA |
| 2025-12-31 | 319-284-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OELWEIN | IA |
| 2025-12-29 | 319-492-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | IOWA CITY | IA |
| 2025-12-17 | 319-407-9XXX | 9000–9999 | Assigned | ONVOY, LLC - IA | 221F | WAVERLY | IA |
| 2025-12-17 | 319-502-6XXX | 6000–6999 | Assigned | ONVOY, LLC - IA | 221F | WATERLOO | IA |
| 2025-11-26 | 319-424-0XXX | 0000–0999 | Assigned | WAVENATION, LLC | 700J | CEDAR RPDS | IA |
| 2025-11-26 | 319-487-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CEDAR RPDS | IA |
| 2025-11-26 | 319-503-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CEDAR RPDS | IA |
| 2025-11-20 | 319-701-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | CEDAR RPDS | IA |
| 2025-11-14 | 319-554-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-10-02 | 319-502-4XXX | 4000–4999 | Assigned | ONVOY, LLC - IA | 221F | WATERLOO | IA |
| 2025-09-12 | 319-554-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BRIGHTON | IA |
| 2025-09-04 | 319-502-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WATERLOO | IA |
| 2025-09-04 | 319-502-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WATERLOO | IA |
| 2025-09-04 | 319-554-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-09-04 | 319-554-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-08-19 | 319-495-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | LAPORTE CY | IA |
| 2025-08-07 | 319-497-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CEDAR RPDS | IA |
| 2025-08-07 | 319-503-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CEDAR RPDS | IA |
| 2025-08-01 | 319-418-8XXX | 8000–8999 | Assigned | HEART OF IOWA VENTURES, L.L.C. - IA | 346F | GRUNDY CTR | IA |
| 2025-07-31 | 319-990-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-07-31 | 319-990-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-07-30 | 319-492-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | IOWA CITY | IA |
| 2025-07-16 | 319-370-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | COGGON | IA |
| 2025-07-16 | 319-407-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | WAVERLY | IA |
| 2025-07-16 | 319-410-5XXX | 5000–5999 | Assigned | IP HORIZON LLC | 515J | OELWEIN | IA |
| 2025-07-16 | 319-420-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WATERLOO | IA |
| 2025-07-16 | 319-441-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | CENTER PT | IA |
| 2025-07-16 | 319-502-0XXX | 0000–0999 | Assigned | IP HORIZON LLC | 515J | WATERLOO | IA |
| 2025-07-16 | 319-719-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | VINTON | IA |
| 2025-07-16 | 319-824-7XXX | 7000–7999 | Assigned | AUREON COMMUNICATIONS, LLC | 444G | GRUNDY CTR | IA |
| 2025-07-16 | 319-910-4XXX | 4000–4999 | Assigned | IP HORIZON LLC | 515J | PARKERSBG | IA |
| 2025-07-15 | 319-281-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | HUDSON | IA |
| 2025-07-15 | 319-303-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | DENVER | IA |
| 2025-07-15 | 319-305-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | MT VERNON | IA |
| 2025-07-15 | 319-417-8XXX | 8000–8999 | Assigned | IP HORIZON LLC | 515J | FT MADISON | IA |
| 2025-07-15 | 319-468-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | INDEPNDNCE | IA |
| 2025-07-15 | 319-492-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | IOWA CITY | IA |
| 2025-07-15 | 319-496-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | MONTICELLO | IA |
| 2025-07-15 | 319-732-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | KEOKUK | IA |
| 2025-06-25 | 319-243-4XXX | 4000–4999 | Assigned | IP HORIZON LLC | 515J | CEDARFALLS | IA |
| 2025-06-25 | 319-405-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | ANAMOSA | IA |
| 2025-06-25 | 319-601-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | BURLINGTON | IA |
| 2025-06-25 | 319-990-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-06-25 | 319-990-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-06-06 | 319-452-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA | 6570 | COLUMBSJCT | IA |
| 2025-06-06 | 319-990-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | BRIGHTON | IA |
| 2025-05-07 | 319-388-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DONNELLSON | 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.