NumberResearchRecent prefix assignments
33 prefixes assigned in the last 30 days · 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, last 30 days
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 586-215 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-216 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-219 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-306 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-321 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MT CLEMENS | MI | |
| 586-322 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MT CLEMENS | MI | |
| 586-337 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROMEO | MI | |
| 586-381 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-382 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-383 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-413 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-431 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-436 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-438 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-457 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-480 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-481 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-482 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-495 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-504 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-506 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-530 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MT CLEMENS | MI | |
| 586-536 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-553 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-554 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-556 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-565 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-567 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-662 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-663 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-665 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-668 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-707 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-718 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-764 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MT CLEMENS | MI | |
| 586-770 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MT CLEMENS | MI | |
| 586-805 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-808 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-876 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MT CLEMENS | MI | |
| 586-904 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-909 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MT CLEMENS | MI | |
| 586-918 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-946 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-994 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-995 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 586-996 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARREN | MI | |
| 605-201 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SIOUX FLS | SD | |
| 605-209 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | RAPID CITY | SD | |
| 605-210 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BELLEFORCH | SD | |
| 605-216 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ABERDEEN | SD |
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.