NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 931-397 | UNITED STATES CELLULAR - TN | 6278 | LIVINGSTON | TN | |
| 931-398 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | COLUMBIA | TN | |
| 931-403 | TWIN LAKES TEL. COOP. CORP. | 0579 | LIVINGSTON | TN | |
| 931-405 | TWIN LAKES TEL. COOP. CORP. | 0579 | GAINESBORO | TN | |
| 931-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TN | |
| 931-412 | ONVOY, LLC - TN | 525E | WAVERLY | TN | |
| 931-413 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | CUNNINGHAM | TN | |
| 931-422 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | LEWISBURG | TN | |
| 931-423 | TN | ||||
| 931-424 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | PULASKI | TN | |
| 931-425 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | BLANCHE | TN | |
| 931-427 | ARDMORE TEL. CO., INC. | 0280 | ARDMORE | TN | |
| 931-431 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | SOOAKGROVE | TN | |
| 931-432 | TWIN LAKES TEL. COOP. CORP. | 0579 | COOKEVL SO | TN | |
| 931-433 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | FAYETTEVL | TN | |
| 931-436 | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | CLARKSVL | TN | |
| 931-437 | UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS | 0581 | FOSTERVL | TN | |
| 931-438 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | FAYETTEVL | TN | |
| 931-442 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | SANTA FE | TN | |
| 931-445 | TWIN LAKES TEL. COOP. CORP. | 0579 | CRAWFORD | TN | |
| 931-446 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | COLUMBIA | TN | |
| 931-447 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | PULASKI | TN | |
| 931-451 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | SPRINGHILL | TN | |
| 931-454 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | TULLAHOMA | TN | |
| 931-455 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | TULLAHOMA | TN | |
| 931-456 | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | 4336 | CROSSVILLE | TN | |
| 931-457 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | FAYETTEVL | TN | |
| 931-458 | POWERTEL NASHVILLE LICENSES, INC. | 7476 | WINCHESTER | TN | |
| 931-459 | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | 4336 | CROSSVILLE | TN | |
| 931-461 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | TULLAHOMA | TN | |
| 931-464 | ONVOY, LLC - TN | 525E | LYNCHBURG | TN | |
| 931-467 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | PELHAM | TN | |
| 931-468 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | ELKTON | TN | |
| 931-469 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | HUNTLAND | TN | |
| 931-472 | PAETEC ITEL, LLC | 829J | CLARKSVL | TN | |
| 931-473 | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | 4336 | MCMINNVL | TN | |
| 931-474 | BEN LOMAND COMMUNICATIONS, INC. | 4586 | MCMINNVL | TN | |
| 931-476 | TWIN LAKES TEL. COOP. CORP. | 0579 | BAXTER | TN | |
| 931-484 | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | 4336 | CROSSVILLE | TN | |
| 931-485 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | SO GUTHRIE | TN | |
| 931-486 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | SPRINGHILL | TN | |
| 931-487 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | SPRINGHILL | TN | |
| 931-488 | PAETEC ITEL, LLC | 829J | SHELBYVL | TN | |
| 931-489 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | SPRINGHILL | TN | |
| 931-490 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | COLUMBIA | TN | |
| 931-492 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | SHELBYVL | TN | |
| 931-498 | TWIN LAKES TEL. COOP. CORP. | 0579 | RICKMAN | TN | |
| 931-499 | PAETEC ITEL, LLC | 829J | SPRINGHILL | TN | |
| 931-503 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | CLARKSVL | TN | |
| 931-505 | POWERTEL NASHVILLE LICENSES, INC. | 7476 | COLUMBIA | TN |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.