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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 303-475 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-478 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-517 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-570 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-588 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-589 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-601 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-618 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-619 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-638 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-717 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FORTLUPTON | CO | |
| 303-748 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-807 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-808 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-809 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-810 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-881 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-882 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-883 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-884 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-888 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-898 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | DENVER | CO | |
| 303-956 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | FORTLUPTON | CO | |
| 304-203 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CLARKSBURG | WV | |
| 304-206 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV | |
| 304-208 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HNTNGTNZN1 | WV | |
| 304-216 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MORGANTOWN | WV | |
| 304-261 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MARTINSBG | WV | |
| 304-268 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MARTINSBG | WV | |
| 304-276 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MORGANTOWN | WV | |
| 304-280 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHELNGZON1 | WV | |
| 304-281 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHELNGZON1 | WV | |
| 304-282 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MORGANTOWN | WV | |
| 304-299 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ST MARYS | WV | |
| 304-312 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WHELNGZON1 | WV | |
| 304-320 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BLUEFIELD | WV | |
| 304-389 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV | |
| 304-482 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PRKRSBGZN1 | WV | |
| 304-488 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PRKRSBGZN1 | WV | |
| 304-531 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RIPLEY | WV | |
| 304-532 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RIPLEY | WV | |
| 304-541 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV | |
| 304-545 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV | |
| 304-546 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV | |
| 304-549 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV | |
| 304-552 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CHRLSTNZN1 | WV | |
| 304-566 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CLARKSBURG | WV | |
| 304-579 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MARTINSBG | WV | |
| 304-633 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HNTNGTNZN1 | WV | |
| 304-634 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HNTNGTNZN1 | WV |
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.