NumberResearchRecent thousands-block assignments
4 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 336
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 |
|---|---|---|---|---|---|---|---|
| 2015-08-27 | 336-390-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | TIMBERLAKE | NC |
| 2015-08-27 | 336-490-8XXX | 8000–8999 | Assigned | RANDOLPH TELEPHONE TELECOMMUNICATIONS, INC. - NC | 757D | DENTON | NC |
| 2015-08-21 | 336-844-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | NOWILKESBO | NC |
| 2015-08-17 | 336-673-1XXX | 1000–1999 | Assigned | UNITED STATES CELLULAR - NC | 6282 | MOUNT AIRY | NC |
| 2015-08-14 | 336-897-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENSBORO | NC |
| 2015-08-14 | 336-897-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENSBORO | NC |
| 2015-08-14 | 336-897-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | GREENSBORO | NC |
| 2015-08-12 | 336-897-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | GREENSBORO | NC |
| 2015-08-07 | 336-842-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | WINSTN SAL | NC |
| 2015-08-05 | 336-639-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | BURLINGTON | NC |
| 2015-07-23 | 336-842-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | WINSTN SAL | NC |
| 2015-07-22 | 336-438-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | BURLINGTON | NC |
| 2015-07-21 | 336-438-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | BURLINGTON | NC |
| 2015-07-21 | 336-483-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | ASHEBORO | NC |
| 2015-07-21 | 336-781-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | HIGH POINT | NC |
| 2015-07-21 | 336-842-3XXX | 3000–3999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | WINSTN SAL | NC |
| 2015-07-21 | 336-901-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | GIBSONVL | NC |
| 2015-07-14 | 336-827-8XXX | 8000–8999 | Assigned | PIEDMONT COMMUNICATIONS SERVICES, INC. - NC | 035B | STATE ROAD | NC |
| 2015-07-10 | 336-673-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | MOUNT AIRY | NC |
| 2015-07-07 | 336-590-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | LEXINGTON | NC |
| 2015-07-01 | 336-560-6XXX | 6000–6999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | SUMMERFLD | NC |
| 2015-06-30 | 336-900-3XXX | 3000–3999 | Assigned | ONVOY, LLC - NC | 638E | GREENSBORO | NC |
| 2015-06-30 | 336-900-4XXX | 4000–4999 | Assigned | ONVOY, LLC - NC | 638E | GREENSBORO | NC |
| 2015-06-30 | 336-900-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NC | 638E | GREENSBORO | NC |
| 2015-06-30 | 336-900-6XXX | 6000–6999 | Assigned | ONVOY, LLC - NC | 638E | GREENSBORO | NC |
| 2015-06-30 | 336-900-7XXX | 7000–7999 | Assigned | ONVOY, LLC - NC | 638E | GREENSBORO | NC |
| 2015-06-30 | 336-900-8XXX | 8000–8999 | Assigned | ONVOY, LLC - NC | 638E | GREENSBORO | NC |
| 2015-06-30 | 336-900-9XXX | 9000–9999 | Assigned | ONVOY, LLC - NC | 638E | GREENSBORO | NC |
| 2015-06-23 | 336-744-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2015-06-23 | 336-744-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2015-06-23 | 336-842-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2015-06-23 | 336-970-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2015-06-18 | 336-303-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | GREENSBORO | NC |
| 2015-06-18 | 336-387-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | GREENSBORO | NC |
| 2015-06-10 | 336-652-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | KIMESVILLE | NC |
| 2015-06-05 | 336-560-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | SUMMERFLD | NC |
| 2015-06-05 | 336-864-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | EDEN | NC |
| 2015-06-04 | 336-842-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC | 350F | WINSTN SAL | NC |
| 2015-06-03 | 336-815-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | OLDTOWN | NC |
| 2015-05-22 | 336-281-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - NC | 998E | QUAKER GAP | NC |
| 2015-05-18 | 336-347-0XXX | 0000–0999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | REIDSVILLE | NC |
| 2015-05-18 | 336-727-3XXX | 3000–3999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | WINSTN SAL | NC |
| 2015-05-12 | 336-467-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | BROOKS | NC |
| 2015-05-12 | 336-594-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | STANLEYVL | NC |
| 2015-05-12 | 336-999-0XXX | 0000–0999 | Assigned | ONVOY, LLC - NC | 638E | WINSTN SAL | NC |
| 2015-05-12 | 336-999-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | WINSTN SAL | NC |
| 2015-05-12 | 336-999-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | WINSTN SAL | NC |
| 2015-05-12 | 336-999-6XXX | 6000–6999 | Assigned | ONVOY, LLC - NC | 638E | WINSTN SAL | NC |
| 2015-05-08 | 336-842-0XXX | 0000–0999 | Assigned | ONVOY, LLC - NC | 638E | WINSTN SAL | NC |
| 2015-05-08 | 336-842-1XXX | 1000–1999 | Assigned | ONVOY, LLC - NC | 638E | WINSTN SAL | NC |
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.