NumberResearchRecent prefix assignments
25 prefixes assigned in March 2026 · from the daily NANPA CO code file, 09/18/2026
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, March 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-03-19 | 363-220 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASSAUZN05 | NY |
| 2026-03-18 | 227-301 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN2 | MD |
| 2026-03-18 | 667-541 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | GLENBURNIE | MD |
| 2026-03-18 | 667-543 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PIKESVILLE | MD |
| 2026-03-18 | 667-544 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PIKESVILLE | MD |
| 2026-03-18 | 848-406 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LAKEWOOD | NJ |
| 2026-03-16 | 929-864 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN04 | NY |
| 2026-03-16 | 929-865 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN15 | NY |
| 2026-03-13 | 227-299 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MYERSVILLE | MD |
| 2026-03-13 | 917-986 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN04 | NY |
| 2026-03-13 | 929-818 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN04 | NY |
| 2026-03-12 | 934-268 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RIVERHEAD | NY |
| 2026-03-11 | 302-712 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MILFORD | DE |
| 2026-03-11 | 862-474 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PATERSON | NJ |
| 2026-03-10 | 363-219 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASSAUZN07 | NY |
| 2026-03-09 | 914-735 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSCHSTZN08 | NY |
| 2026-03-09 | 914-748 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSCHSTZN08 | NY |
| 2026-03-06 | 272-478 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CARBONDALE | PA |
| 2026-03-06 | 272-479 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CARBONDALE | PA |
| 2026-03-06 | 862-472 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SO ORANGE | NJ |
| 2026-03-06 | 948-262 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ONANCOCK | VA |
| 2026-03-03 | 667-540 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PIKESVILLE | MD |
| 2026-03-02 | 681-598 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HNTNGTNZN1 | WV |
| 2026-03-02 | 826-286 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | FREDECKSBG | VA |
| 2026-03-02 | 948-261 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NRFOLKZON3 | VA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.