NumberResearchRecent prefix assignments
11 prefixes assigned in June 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, June 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-06-24 | 667-550 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | COLUMBIA | MD |
| 2026-06-22 | 640-302 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ALLENTOWN | NJ |
| 2026-06-18 | 445-343 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN2 | PA |
| 2026-06-12 | 826-227 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | STAFFORD | VA |
| 2026-06-11 | 686-214 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RICHMOND | VA |
| 2026-06-04 | 215-810 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN3 | PA |
| 2026-06-04 | 223-394 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HARISBGZN2 | PA |
| 2026-06-04 | 862-480 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MORRISTOWN | NJ |
| 2026-06-04 | 862-481 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MORRISTOWN | NJ |
| 2026-06-03 | 681-546 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ROCK CAVE | WV |
| 2026-06-01 | 445-342 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN2 | PA |
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.