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 |
|---|---|---|---|---|---|
| 931-739 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | SPARTA | TN | |
| 931-752 | TWIN LAKES TEL. COOP. CORP. | 0579 | JAMESTOWN | TN | |
| 931-759 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | LYNCHBURG | TN | |
| 931-761 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | OLD ZION | TN | |
| 931-762 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | LAWRENCEBG | TN | |
| 931-764 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | W VANLEER | TN | |
| 931-766 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | LAWRENCEBG | TN | |
| 931-771 | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | SOOAKGROVE | TN | |
| 931-779 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | LAAGER | TN | |
| 931-788 | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | 4336 | TANSI | TN | |
| 931-792 | ONVOY, LLC - TN | 525E | FLINTVILLE | TN | |
| 931-796 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | HOHENWALD | TN | |
| 931-797 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | COLUMBIA | TN | |
| 931-801 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | CLARKSVL | TN | |
| 931-808 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | SHELBYVL | TN | |
| 931-810 | ONVOY, LLC - TN | 525E | HUNTLAND | TN | |
| 931-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TN | |
| 931-814 | ONVOY, LLC - TN | 525E | PETERSBURG | TN | |
| 931-815 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | MCMINNVL | TN | |
| 931-823 | TWIN LAKES TEL. COOP. CORP. | 0579 | LIVINGSTON | TN | |
| 931-827 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | CUMBERLDCY | TN | |
| 931-829 | LORETTO TEL. CO., INC. | 0570 | ETHRIDGE | TN | |
| 931-836 | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | 4336 | SPARTA | TN | |
| 931-837 | BEN LOMAND COMMUNICATIONS, INC. | 4586 | SPARTA | TN | |
| 931-839 | CITIZENS COMM CO TN DBA FRONTIER COMM OF TN, LLC | 4336 | MONTEREY | TN | |
| 931-840 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | COLUMBIA | TN | |
| 931-841 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | TULLAHOMA | TN | |
| 931-842 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SHELBYVL | TN | |
| 931-845 | LORETTO TEL. CO., INC. | 0570 | ST JOSEPH | TN | |
| 931-852 | LORETTO TEL. CO., INC. | 0570 | LEOMA | TN | |
| 931-853 | LORETTO TEL. CO., INC. | 0570 | LORETTO | TN | |
| 931-855 | TN | ||||
| 931-857 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | NORMANDY | TN | |
| 931-858 | TWIN LAKES TEL. COOP. CORP. | 0579 | BAXTER | TN | |
| 931-863 | TWIN LAKES TEL. COOP. CORP. | 0579 | CLARKRANGE | TN | |
| 931-864 | TWIN LAKES TEL. COOP. CORP. | 0579 | BYRDSTOWN | TN | |
| 931-865 | TN | ||||
| 931-866 | TN | ||||
| 931-871 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LIVINGSTON | TN | |
| 931-877 | TN | ||||
| 931-879 | TWIN LAKES TEL. COOP. CORP. | 0579 | JAMESTOWN | TN | |
| 931-881 | PAETEC ITEL, LLC | 829J | COOKEVILLE | TN | |
| 931-899 | ONVOY, LLC - TN | 525E | LYNCHBURG | TN | |
| 931-900 | TN | ||||
| 931-901 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | COLUMBIA | TN | |
| 931-902 | TELNYX LLC | 073H | HOHENWALD | TN | |
| 931-903 | ONVOY, LLC - TN | 525E | LAWRENCEBG | TN | |
| 931-904 | ONVOY, LLC - TN | 525E | MCEWEN | TN | |
| 931-905 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | CLARKSVL | TN | |
| 931-906 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | CLARKSVL | 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.