NumberResearchRecent thousands-block assignments
25 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 501
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 |
|---|---|---|---|---|---|---|---|
| 2026-06-01 | 501-586-4XXX | 4000–4999 | Assigned | IP HORIZON LLC | 515J | CONWAY | AR |
| 2026-06-01 | 501-591-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | BEEBE | AR |
| 2026-06-01 | 501-591-3XXX | 3000–3999 | Assigned | IP HORIZON LLC | 515J | BEEBE | AR |
| 2026-06-01 | 501-595-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | BRYANTCGVL | AR |
| 2026-06-01 | 501-595-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | BRYANTCGVL | AR |
| 2026-06-01 | 501-832-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | GREERSFRRY | AR |
| 2026-06-01 | 501-832-2XXX | 2000–2999 | Assigned | IP HORIZON LLC | 515J | GREERSFRRY | AR |
| 2026-05-29 | 501-235-6XXX | 6000–6999 | Assigned | ONVOY, LLC - AR | 348F | LITTLEROCK | AR |
| 2026-05-29 | 501-383-4XXX | 4000–4999 | Assigned | ONVOY, LLC - AR | 348F | SEARCY | AR |
| 2026-05-29 | 501-437-5XXX | 5000–5999 | Assigned | ONVOY, LLC - AR | 348F | LONOKE | AR |
| 2026-05-29 | 501-881-1XXX | 1000–1999 | Assigned | ONVOY, LLC - AR | 348F | HOTSPRINGS | AR |
| 2026-05-21 | 501-582-1XXX | 1000–1999 | Assigned | ONVOY, LLC - AR | 348F | BENTON | AR |
| 2026-05-13 | 501-645-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MORRILTON | AR |
| 2026-05-07 | 501-452-5XXX | 5000–5999 | Assigned | ONVOY, LLC - AR | 348F | MORRILTON | AR |
| 2026-05-07 | 501-560-4XXX | 4000–4999 | Assigned | ONVOY, LLC - AR | 348F | JACKSONVL | AR |
| 2026-05-06 | 501-277-3XXX | 3000–3999 | Assigned | ONVOY, LLC - AR | 348F | GREENBRIER | AR |
| 2026-05-06 | 501-560-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | JACKSONVL | AR |
| 2026-05-06 | 501-576-6XXX | 6000–6999 | Assigned | ONVOY, LLC - AR | 348F | CONWAY | AR |
| 2026-04-28 | 501-437-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LONOKE | AR |
| 2026-04-28 | 501-468-4XXX | 4000–4999 | Assigned | AHOI LLC | 883K | CLEVELAND | AR |
| 2026-04-28 | 501-577-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LONOKE | AR |
| 2026-04-24 | 501-243-6XXX | 6000–6999 | Assigned | ONVOY, LLC - AR | 348F | LITTLEROCK | AR |
| 2026-04-24 | 501-243-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AR | 348F | LITTLEROCK | AR |
| 2026-04-24 | 501-250-2XXX | 2000–2999 | Assigned | ONVOY, LLC - AR | 348F | HEBER SPG | AR |
| 2026-04-24 | 501-564-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AR | 348F | SYVNHLSHWD | AR |
| 2026-04-24 | 501-591-1XXX | 1000–1999 | Assigned | ONVOY, LLC - AR | 348F | BEEBE | AR |
| 2026-04-24 | 501-781-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AR | 348F | HOTSPRINGS | AR |
| 2026-04-23 | 501-504-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - AR | 196F | CONWAY | AR |
| 2026-04-15 | 501-383-3XXX | 3000–3999 | Assigned | ONVOY, LLC - AR | 348F | SEARCY | AR |
| 2026-04-15 | 501-573-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AR | 348F | CABOT | AR |
| 2026-04-08 | 501-415-8XXX | 8000–8999 | Assigned | ONVOY, LLC - AR | 348F | LONOKE | AR |
| 2026-04-08 | 501-559-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AR | 348F | BENTON | AR |
| 2026-03-30 | 501-738-8XXX | 8000–8999 | Assigned | AHOI LLC | 883K | LITTLEROCK | AR |
| 2026-03-25 | 501-586-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | 6805 | CONWAY | AR |
| 2026-03-11 | 501-587-0XXX | 0000–0999 | Assigned | BOOST SUBSCRIBERCO L.L.C. | 490J | LITTLEROCK | AR |
| 2026-03-02 | 501-798-9XXX | 9000–9999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - AR | 802C | PINNACLE | AR |
| 2026-02-25 | 501-549-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PALARM | AR |
| 2026-02-19 | 501-703-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | LONOKE | AR |
| 2026-02-19 | 501-818-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MALVERN | AR |
| 2026-01-15 | 501-389-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SEARCY | AR |
| 2026-01-15 | 501-444-4XXX | 4000–4999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | LITTLEROCK | AR |
| 2026-01-15 | 501-444-9XXX | 9000–9999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | LITTLEROCK | AR |
| 2026-01-15 | 501-504-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CONWAY | AR |
| 2026-01-15 | 501-587-8XXX | 8000–8999 | Assigned | EXIANT COMMUNICATIONS LLC | 114J | LITTLEROCK | AR |
| 2026-01-13 | 501-277-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GREENBRIER | AR |
| 2026-01-13 | 501-606-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CABOT | AR |
| 2025-12-24 | 501-564-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SYVNHLSHWD | AR |
| 2025-12-18 | 501-203-6XXX | 6000–6999 | Assigned | ONVOY, LLC - AR | 348F | SEARCY | AR |
| 2025-12-18 | 501-234-7XXX | 7000–7999 | Assigned | ONVOY, LLC - AR | 348F | LITTLEROCK | AR |
| 2025-12-18 | 501-564-5XXX | 5000–5999 | Assigned | ONVOY, LLC - AR | 348F | SYVNHLSHWD | AR |
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.