NumberResearchRecent prefix assignments
369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
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 |
|---|---|---|---|---|---|
| 2001-06-20 | 240-515 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN2 | MD |
| 2001-06-20 | 281-683 | AERIAL COMMUNICATIONS, INC. | 6701 | BAYTOWN | TX |
| 2001-06-20 | 386-566 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | DAYTONABCH | FL |
| 2001-06-20 | 412-379 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON6 | PA |
| 2001-06-20 | 443-403 | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | ABERDEEN | MD |
| 2001-06-20 | 443-538 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | COLUMBIA | MD |
| 2001-06-20 | 443-649 | PAETEC ITEL, LLC | 829J | SPARROWSPT | MD |
| 2001-06-20 | 443-676 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BALTIMORE | MD |
| 2001-06-20 | 443-985 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | RANDALLSTN | MD |
| 2001-06-20 | 479-879 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | 6805 | FAYETTEVL | AR |
| 2001-06-20 | 561-927 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | DELRAY BCH | FL |
| 2001-06-20 | 562-788 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CMTN CMTN | CA |
| 2001-06-20 | 609-270 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HAMMONTON | NJ |
| 2001-06-20 | 609-325 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ALLENTOWN | NJ |
| 2001-06-20 | 609-427 | VERIZON NEW JERSEY, INC. | 9206 | DENNISVL | NJ |
| 2001-06-20 | 609-694 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | MOUNTHOLLY | NJ |
| 2001-06-20 | 609-761 | VERIZON NEW JERSEY, INC. | 9206 | PLEASANTVL | NJ |
| 2001-06-20 | 620-490 | UNITED STATES CELLULAR - KS | 6267 | BURLINGTON | KS |
| 2001-06-20 | 724-402 | WINDSTREAM PENNSYLVANIA, INC. | 0176 | SHEAKLEYVL | PA |
| 2001-06-20 | 772-215 | METROPCS, INC. | 5562 | STUART | FL |
| 2001-06-20 | 772-617 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | VERO BEACH | FL |
| 2001-06-20 | 772-618 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | FORTPIERCE | FL |
| 2001-06-20 | 772-633 | METROPCS, INC. | 5562 | SEBASTIAN | FL |
| 2001-06-20 | 785-209 | UNITED STATES CELLULAR - KS | 6267 | JUNCTIONCY | KS |
| 2001-06-20 | 787-229 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | ANASCO | PR |
| 2001-06-20 | 787-345 | METROPCS, INC. | 5562 | VEGA BAJA | PR |
| 2001-06-20 | 787-444 | METROPCS, INC. | 5562 | SANTURCE | PR |
| 2001-06-20 | 787-914 | METROPCS, INC. | 5562 | HUMACAO | PR |
| 2001-06-20 | 830-454 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | JOHNSON CY | TX |
| 2001-06-20 | 830-461 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | DEL RIO | TX |
| 2001-06-20 | 832-455 | AERIAL COMMUNICATIONS, INC. | 6701 | HOUSTON | TX |
| 2001-06-20 | 832-644 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | HUMBLE | TX |
| 2001-06-20 | 856-202 | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | WOODBURY | NJ |
| 2001-06-20 | 856-528 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | HADDONFLD | NJ |
| 2001-06-20 | 856-553 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PITMAN | NJ |
| 2001-06-20 | 870-416 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | 6805 | HARRISON | AR |
| 2001-06-20 | 870-484 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | 6805 | SHERIDAN | AR |
| 2001-06-20 | 870-726 | WINDSTREAM ARKANSAS, INC. | 1691 | GREEN FOR | AR |
| 2001-06-20 | 870-825 | WINDSTREAM ARKANSAS, INC. | 1691 | DIERKS | AR |
| 2001-06-20 | 908-350 | CSC VOICE, LLC | 612K | MILLINGTON | NJ |
| 2001-06-20 | 954-445 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | HOLLYWOOD | FL |
| 2001-06-20 | 954-607 | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | FTLAUDERDL | FL |
| 2001-06-20 | 954-608 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | FTLAUDERDL | FL |
| 2001-06-20 | 979-212 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | GIDDINGS | TX |
| 2001-06-20 | 979-436 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | BRYAN | TX |
| 2001-06-19 | 412-267 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PTGSBNZN10 | PA |
| 2001-06-19 | 412-583 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PTTSBGZON1 | PA |
| 2001-06-19 | 412-587 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PTTSBGZON7 | PA |
| 2001-06-19 | 412-677 | PAETEC ITEL, LLC | 829J | PTGSBNZN13 | PA |
| 2001-06-19 | 573-552 | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | LKOZKOSBCH | MO |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.