NumberResearchRecent prefix assignments
369 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
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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 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.