NumberResearchRecent prefix assignments
371 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
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 937-654 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DAYTON | OH | |
| 937-655 | FRONTIER NORTH, INC. - OH | 0615 | WILMINGTON | OH | |
| 937-656 | LEVEL 3 TELECOM OF OHIO, LLC - OH | 7460 | DAYTON | OH | |
| 937-657 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | DAYTON | OH | |
| 937-658 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SIDNEY | OH | |
| 937-660 | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | DAYTON | OH | |
| 937-663 | WINDSTREAM OHIO, LLC | 0665 | ST PARIS | OH | |
| 937-666 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | E LIBERTY | OH | |
| 937-667 | FRONTIER NORTH, INC. - OH | 0615 | TIPP CITY | OH | |
| 937-669 | FRONTIER NORTH, INC. - OH | 0615 | TIPP CITY | OH | |
| 937-671 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | DAYTON | OH | |
| 937-672 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | DAYTON | OH | |
| 937-673 | T-MOBILE USA, INC. | 6529 | DAYTON | OH | |
| 937-674 | T-MOBILE USA, INC. | 6529 | DAYTON | OH | |
| 937-675 | OHIO BELL TEL CO | 9321 | JAMESTOWN | OH | |
| 937-676 | WINDSTREAM OHIO, LLC | 0665 | PLEASANTHL | OH | |
| 937-678 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | WMANCHESTR | OH | |
| 937-679 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | NEWCARLISL | OH | |
| 937-680 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | GREENVILLE | OH | |
| 937-685 | FRONTIER NORTH, INC. - OH | 0615 | MARTINSVL | OH | |
| 937-686 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | HUNTSVILLE | OH | |
| 937-687 | FRONTIER NORTH, INC. - OH | 0615 | NEWLEBANON | OH | |
| 937-689 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | DAYTON | OH | |
| 937-692 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | ARCANUM | OH | |
| 937-693 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | BOTKINS | OH | |
| 937-694 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | DAYTON | OH | |
| 937-695 | OHIO BELL TEL CO | 9321 | WINCHESTER | OH | |
| 937-696 | FRONTIER NORTH, INC. - OH | 0615 | FARMERSVL | OH | |
| 937-698 | FRONTIER NORTH, INC. - OH | 0615 | WESTMILTON | OH | |
| 937-700 | OH | ||||
| 937-704 | OHIO BELL TEL CO | 9321 | FRANKLIN | OH | |
| 937-708 | OHIO BELL TEL CO | 9321 | XENIA | OH | |
| 937-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | OH | |
| 937-725 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | WILMINGTON | OH | |
| 937-726 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | SIDNEY | OH | |
| 937-727 | METROPCS, INC. | 5562 | SPRINGFLD | OH | |
| 937-740 | OH | ||||
| 937-741 | PEERLESS NETWORK OF OHIO, LLC - OH | 284F | DAYTON | OH | |
| 937-743 | OHIO BELL TEL CO | 9321 | FRANKLIN | OH | |
| 937-746 | OHIO BELL TEL CO | 9321 | FRANKLIN | OH | |
| 937-747 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | NO LEWISBG | OH | |
| 937-748 | OHIO BELL TEL CO | 9321 | FRANKLIN | OH | |
| 937-750 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DAYTON | OH | |
| 937-751 | ONVOY, LLC - OH | 464C | DAYTON | OH | |
| 937-754 | OHIO BELL TEL CO | 9321 | FAIRBORN | OH | |
| 937-760 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DAYTON | OH | |
| 937-763 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HILLSBORO | OH | |
| 937-764 | OHIO BELL TEL CO | 9321 | BELFAST | OH | |
| 937-765 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | NEWCARLISL | OH | |
| 937-766 | OHIO BELL TEL CO | 9321 | CEDARVILLE | OH |
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.