NumberResearchRecent thousands-block assignments
15 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 931
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 |
|---|---|---|---|---|---|---|---|
| 2015-04-15 | 931-347-1XXX | 1000–1999 | Assigned | ONVOY, LLC - TN | 525E | PULASKI | TN |
| 2015-04-15 | 931-603-2XXX | 2000–2999 | Assigned | ONVOY, LLC - TN | 525E | FREDONIA | TN |
| 2015-04-15 | 931-807-9XXX | 9000–9999 | Assigned | ONVOY, LLC - TN | 525E | NORMANDY | TN |
| 2015-04-14 | 931-250-5XXX | 5000–5999 | Assigned | BEN LOMAND COMMUNICATIONS, INC. | 4586 | CROSSVILLE | TN |
| 2015-04-09 | 931-451-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | SPRINGHILL | TN |
| 2015-04-09 | 931-683-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | CULLEOKA | TN |
| 2015-04-09 | 931-820-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | SANGO | TN |
| 2015-04-08 | 931-218-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | CLARKSVL | TN |
| 2015-04-08 | 931-223-0XXX | 0000–0999 | Assigned | ONVOY, LLC - TN | 525E | COLUMBIA | TN |
| 2015-04-08 | 931-408-9XXX | 9000–9999 | Assigned | ONVOY, LLC - TN | 525E | TULLAHOMA | TN |
| 2015-03-26 | 931-254-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | SPENCER | TN |
| 2015-03-17 | 931-253-1XXX | 1000–1999 | Assigned | IP HORIZON LLC | 515J | WAYNESBORO | TN |
| 2015-03-09 | 931-304-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | MCMINNVL | TN |
| 2015-03-06 | 931-401-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | CLARKSVL | TN |
| 2015-03-02 | 931-384-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | COLUMBIA | TN |
| 2015-03-02 | 931-384-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | COLUMBIA | TN |
| 2015-03-02 | 931-384-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | COLUMBIA | TN |
| 2015-03-02 | 931-384-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | COLUMBIA | TN |
| 2015-02-27 | 931-218-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | CLARKSVL | TN |
| 2015-02-27 | 931-218-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | CLARKSVL | TN |
| 2015-02-11 | 931-304-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | MCMINNVL | TN |
| 2015-01-23 | 931-981-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | COLUMBIA | TN |
| 2015-01-21 | 931-295-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | HOHENWALD | TN |
| 2015-01-12 | 931-214-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | GAINESBORO | TN |
| 2015-01-12 | 931-218-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | CLARKSVL | TN |
| 2014-12-05 | 931-300-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | LAWRENCEBG | TN |
| 2014-12-05 | 931-304-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | MCMINNVL | TN |
| 2014-11-26 | 931-486-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TN | 525E | SPRINGHILL | TN |
| 2014-11-24 | 931-505-5XXX | 5000–5999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | COLUMBIA | TN |
| 2014-11-24 | 931-505-6XXX | 6000–6999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | COLUMBIA | TN |
| 2014-11-20 | 931-202-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | CROSSVILLE | TN |
| 2014-11-13 | 931-218-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CLARKSVL | TN |
| 2014-11-13 | 931-218-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CLARKSVL | TN |
| 2014-11-13 | 931-218-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CLARKSVL | TN |
| 2014-10-29 | 931-546-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | SOOAKGROVE | TN |
| 2014-10-21 | 931-810-8XXX | 8000–8999 | Assigned | ONVOY, LLC - TN | 525E | HUNTLAND | TN |
| 2014-10-14 | 931-652-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | PETERSBURG | TN |
| 2014-10-10 | 931-250-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | CROSSVILLE | TN |
| 2014-10-07 | 931-218-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | CLARKSVL | TN |
| 2014-09-30 | 931-400-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | COOKEVILLE | TN |
| 2014-09-30 | 931-492-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | SHELBYVL | TN |
| 2014-09-18 | 931-572-5XXX | 5000–5999 | Assigned | ONVOY, LLC - TN | 525E | CLARKSVL | TN |
| 2014-09-15 | 931-278-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | CLARKSVL | TN |
| 2014-09-15 | 931-674-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | SPRINGHILL | TN |
| 2014-09-10 | 931-691-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | SEWANEE | TN |
| 2014-09-10 | 931-922-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | COLUMBIA | TN |
| 2014-08-25 | 931-905-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | CLARKSVL | TN |
| 2014-08-19 | 931-213-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | CLIFTON | TN |
| 2014-08-18 | 931-994-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | CENTERVL | TN |
| 2014-08-15 | 931-954-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MANCHESTER | TN |
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.