NumberResearchRecent prefix assignments
355 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
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2009-12-17 | 714-760 | METROPCS NETWORKS, LLC | 899D | SANTA ANA | CA |
| 2009-12-17 | 779-214 | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | 846F | GALENA | IL |
| 2009-12-17 | 857-224 | VERIZON NEW ENGLAND INC. | 9102 | BOSTON | MA |
| 2009-12-17 | 951-703 | T-MOBILE USA, INC. | 6529 | MIRA LOMA | CA |
| 2009-12-16 | 424-570 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | SAN PEDRO | CA |
| 2009-12-16 | 586-404 | METROPCS, INC. | 5562 | ROSEVILLE | MI |
| 2009-12-16 | 620-390 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DODGE CITY | KS |
| 2009-12-16 | 778-410 | Zayo Canada Inc. | 8304 | Victoria | — |
| 2009-12-16 | 780-343 | TELUS | 8084 | Bonnyville | — |
| 2009-12-16 | 785-498 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HAYS | KS |
| 2009-12-15 | 269-680 | 123.NET, LLC | 2550 | PLAINWELL | MI |
| 2009-12-15 | 424-571 | METROPCS NETWORKS, LLC | 899D | TORRANCE | CA |
| 2009-12-14 | 209-813 | AT&T ENTERPRISES, LLC | 516C | ANGELSCAMP | CA |
| 2009-12-14 | 308-218 | WINDSTREAM COMMUNICATIONS OF THE MIDEWEST INC - NE | 7816 | GRAND IS | NE |
| 2009-12-14 | 352-448 | FUSION CLOUD SERVICES, LLC | 018A | GAINESVL | FL |
| 2009-12-14 | 402-318 | WINDSTREAM COMMUNICATIONS OF THE MIDEWEST INC - NE | 7816 | LINCOLN | NE |
| 2009-12-14 | 424-738 | AT&T ENTERPRISES, LLC | 516C | AVALON | CA |
| 2009-12-14 | 507-218 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 4139 | ROCHESTER | MN |
| 2009-12-14 | 559-383 | AT&T ENTERPRISES, LLC | 516C | AVENAL | CA |
| 2009-12-14 | 561-899 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | WPALMBEACH | FL |
| 2009-12-14 | 571-393 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MANASSAS | VA |
| 2009-12-14 | 580-453 | AT&T ENTERPRISES, LLC | 516C | ADA | OK |
| 2009-12-14 | 612-206 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 4139 | TWINCITIES | MN |
| 2009-12-14 | 650-673 | AT&T ENTERPRISES, LLC | 516C | LA HONDA | CA |
| 2009-12-14 | 661-436 | AT&T ENTERPRISES, LLC | 516C | ARVIN | CA |
| 2009-12-14 | 705-270 | TELUS Integrated Communications | 2782 | Peterborough | — |
| 2009-12-14 | 760-623 | AT&T ENTERPRISES, LLC | 516C | BRAWLEY | CA |
| 2009-12-14 | 808-419 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WAILUKU | HI |
| 2009-12-14 | 819-700 | Videotron Ltd. | 383F | Ottawa-Hull | — |
| 2009-12-14 | 831-249 | AT&T ENTERPRISES, LLC | 516C | BIG SUR | CA |
| 2009-12-14 | 845-554 | BANDWIDTH.COM CLEC, LLC - NY | 997E | POUGHKEPSI | NY |
| 2009-12-14 | 914-215 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MOUNTKISCO | NY |
| 2009-12-11 | 417-363 | AT&T ENTERPRISES, LLC | 516C | ASH GROVE | MO |
| 2009-12-11 | 423-707 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | ELIZABTHTN | TN |
| 2009-12-11 | 450-858 | Bell Mobility | 6574 | St-Jerome | — |
| 2009-12-11 | 573-955 | AT&T ENTERPRISES, LLC | 516C | BISMARCK | MO |
| 2009-12-11 | 785-377 | AT&T ENTERPRISES, LLC | 516C | BLRP-WTVL | KS |
| 2009-12-11 | 816-239 | AT&T ENTERPRISES, LLC | 516C | ADRIAN | MO |
| 2009-12-11 | 843-480 | SUNCOM DBA T-MOBILE USA | 8645 | CHARLESTON | SC |
| 2009-12-11 | 939-216 | SUNCOM DBA T-MOBILE USA | 8645 | CAROLINA | PR |
| 2009-12-11 | 939-308 | SUNCOM DBA T-MOBILE USA | 8645 | ARECIBO | PR |
| 2009-12-10 | 205-718 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL | 6804 | BIRMINGHAM | AL |
| 2009-12-10 | 778-517 | Shaw Telecom Inc. | 497E | Cranbrook | — |
| 2009-12-10 | 970-646 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LOVELAND | CO |
| 2009-12-09 | 681-213 | SHENTEL COMMUNICATIONS, LLC. - WV | 489F | WEBSTERSPG | WV |
| 2009-12-09 | 681-365 | SHENTEL COMMUNICATIONS, LLC. - WV | 489F | COWEN | WV |
| 2009-12-09 | 762-822 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | 6540 | COLUMBUS | GA |
| 2009-12-09 | 939-260 | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | BAYAMONNOR | PR |
| 2009-12-09 | 939-261 | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | BAYAMONNOR | PR |
| 2009-12-09 | 939-262 | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | BAYAMONNOR | PR |
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.