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 |
|---|---|---|---|---|---|
| 2001-05-18 | 419-550 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | GRELTNMLNT | OH |
| 2001-05-18 | 419-580 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | OLD FORT | OH |
| 2001-05-18 | 419-590 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | WAUSEON | OH |
| 2001-05-18 | 419-604 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | LIMA | OH |
| 2001-05-18 | 419-605 | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | VAN WERT | OH |
| 2001-05-18 | 419-670 | WINDSTREAM OHIO, LLC | 0665 | PAULDING | OH |
| 2001-05-18 | 443-430 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLUMBIA | MD |
| 2001-05-18 | 443-545 | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | COLUMBIA | MD |
| 2001-05-18 | 443-640 | PAETEC ITEL, LLC | 829J | BEL AIR | MD |
| 2001-05-18 | 443-641 | LEVEL 3 COMMUNICATIONS, LLC - MD | 6119 | PIKESVILLE | MD |
| 2001-05-18 | 443-653 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | PARKVILLE | MD |
| 2001-05-18 | 443-768 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | BALTIMORE | MD |
| 2001-05-18 | 443-824 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | TOWSON | MD |
| 2001-05-18 | 443-849 | VERIZON MARYLAND, INC. | 9212 | TOWSON | MD |
| 2001-05-18 | 530-368 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | AUBN MAIN | CA |
| 2001-05-18 | 530-448 | METROPCS, INC. | 5562 | NTAH THCY | CA |
| 2001-05-18 | 530-859 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MT SHASTA | CA |
| 2001-05-18 | 540-598 | UNITED STATES CELLULAR - VA | 6283 | ROANOKE | VA |
| 2001-05-18 | 540-761 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ROANOKE | VA |
| 2001-05-18 | 571-242 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN08 | VA |
| 2001-05-18 | 603-361 | BELL ATLANTIC MOBILE, INC | 6386 | MANCHESTER | NH |
| 2001-05-18 | 619-726 | METROPCS, INC. | 5562 | SNDG SNDG | CA |
| 2001-05-18 | 626-290 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | COVINA | CA |
| 2001-05-18 | 626-692 | PACIFIC BELL | 9740 | ALHAMBRA | CA |
| 2001-05-18 | 626-818 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PSDN PSDN | CA |
| 2001-05-18 | 626-890 | T-MOBILE USA, INC. | 6529 | COVINA | CA |
| 2001-05-18 | 707-616 | METROPCS, INC. | 5562 | EUREKA | CA |
| 2001-05-18 | 707-845 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | EUREKA | CA |
| 2001-05-18 | 714-493 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA |
| 2001-05-18 | 714-713 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | CYPRESS | CA |
| 2001-05-18 | 734-845 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | ANN ARBOR | MI |
| 2001-05-18 | 740-590 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ATHENS | OH |
| 2001-05-18 | 760-855 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ESCONDIDO | CA |
| 2001-05-18 | 760-965 | ONVOY, LLC - CA | 649C | MAMMOTHLKS | CA |
| 2001-05-18 | 774-290 | PAETEC ITEL, LLC | 829J | NATICK | MA |
| 2001-05-18 | 774-333 | TC SYSTEMS, INC. | 7135 | NANTUCKET | MA |
| 2001-05-18 | 774-757 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | NOBROOKFLD | MA |
| 2001-05-18 | 774-776 | PAETEC ITEL, LLC | 829J | BROCKTON | MA |
| 2001-05-18 | 787-435 | METROPCS, INC. | 5562 | FAJARDO | PR |
| 2001-05-18 | 787-438 | LIBERTY MOBILE PUERTO RICO INC. | 639J | SANTURCE | PR |
| 2001-05-18 | 787-464 | SUNCOM DBA T-MOBILE USA | 8645 | MAYAGUEZ | PR |
| 2001-05-18 | 787-661 | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2001-05-18 | 787-920 | LIBERTY MOBILE PUERTO RICO INC. | 639J | SANTURCE | PR |
| 2001-05-18 | 805-369 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | PASOROBLES | CA |
| 2001-05-18 | 805-478 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SANTAMARIA | CA |
| 2001-05-18 | 813-476 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | TAMPA | FL |
| 2001-05-18 | 818-795 | T-MOBILE USA, INC. | 6529 | BRBN BRBN | CA |
| 2001-05-18 | 818-974 | T-MOBILE USA, INC. | 6529 | VAN NUYS | CA |
| 2001-05-18 | 843-388 | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MTPLEASANT | SC |
| 2001-05-18 | 914-497 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | WSCHSTZN08 | NY |
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.