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
New assignments by month
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 931-908 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | LYNNVILLE | TN | |
| 931-909 | ONVOY, LLC - TN | 525E | SHELBYVL | TN | |
| 931-910 | ONVOY, LLC - TN | 525E | PETERSBURG | TN | |
| 931-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TN | |
| 931-913 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | TULLAHOMA | TN | |
| 931-914 | ONVOY, LLC - TN | 525E | MANCHESTER | TN | |
| 931-915 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | WINCHESTER | TN | |
| 931-919 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | CLARKSVL | TN | |
| 931-920 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | CLARKSVL | TN | |
| 931-922 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | COLUMBIA | TN | |
| 931-924 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | MONTEAGLE | TN | |
| 931-928 | POWERTEL NASHVILLE LICENSES, INC. | 7476 | TULLAHOMA | TN | |
| 931-931 | TN | ||||
| 931-933 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | CLARKSVL | TN | |
| 931-934 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | DIBRELL | TN | |
| 931-935 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | BONDECROFT | TN | |
| 931-937 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | FLINTVILLE | TN | |
| 931-939 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | CENTERTOWN | TN | |
| 931-946 | BEN LOMAND RURAL TEL. COOP., INC. | 0553 | SPENCER | TN | |
| 931-949 | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | SHELBYVL | TN | |
| 931-950 | TN | ||||
| 931-958 | TN | ||||
| 931-959 | TN | ||||
| 931-962 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | WINCHESTER | TN | |
| 931-964 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | SUMMERTOWN | TN | |
| 931-967 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | WINCHESTER | TN | |
| 931-968 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | WINCHESTER | TN | |
| 931-976 | TN | ||||
| 931-979 | UNITED STATES CELLULAR - TN | 6278 | COOKEVILLE | TN | |
| 931-980 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CLARKSVL | TN | |
| 931-987 | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | CULLEOKA | TN | |
| 931-988 | TN | ||||
| 934-211 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 934-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 934-400 | ONVOY, LLC- NY | 384C | PTJEFFERSN | NY | |
| 934-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 934-450 | NY | ||||
| 934-500 | ONVOY, LLC- NY | 384C | BRENTWOOD | NY | |
| 934-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 934-550 | NY | ||||
| 934-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | NY | |
| 934-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 934-700 | NY | ||||
| 934-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 934-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 934-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 934-920 | NY | ||||
| 934-950 | NY | ||||
| 934-958 | NY | ||||
| 934-959 | NY |
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.