NumberResearchRecent prefix assignments
77 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
Sep 2026
Aug 2026
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 310-801 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BEVERLYHLS | CA | |
| 310-804 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SNMN SNMN | CA | |
| 310-849 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BEVERLYHLS | CA | |
| 310-869 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | W ANGELES | CA | |
| 310-908 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | INGLEWOOD | CA | |
| 310-918 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CMTN GRDN | CA | |
| 310-938 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TORRANCE | CA | |
| 310-989 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CMTN GRDN | CA | |
| 312-203 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-206 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-208 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-213 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-215 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-218 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-231 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROSELLE | IL | |
| 312-246 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-259 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-282 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-286 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-301 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HINSDALE | IL | |
| 312-303 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-304 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HINSDALE | IL | |
| 312-307 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-314 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HINSDALE | IL | |
| 312-315 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-316 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-317 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-320 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-330 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-331 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-342 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-351 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-352 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HINSDALE | IL | |
| 312-354 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROSELLE | IL | |
| 312-369 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-391 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-401 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-402 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-406 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-412 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-420 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-450 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-480 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-504 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-510 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HINSDALE | IL | |
| 312-513 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL | |
| 312-518 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-524 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHEELING | IL | |
| 312-531 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HINSDALE | IL | |
| 312-543 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN01 | IL |
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.