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
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 740-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | OH | |
| 740-412 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CIRCLEVL | OH | |
| 740-415 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | LANCASTER | OH | |
| 740-417 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DELAWARE | OH | |
| 740-420 | FRONTIER NORTH, INC. - OH | 0615 | CIRCLEVL | OH | |
| 740-422 | XO OHIO, INC. | 7520 | LANCASTER | OH | |
| 740-423 | OHIO BELL TEL CO | 9321 | BELPRE | OH | |
| 740-425 | OHIO BELL TEL CO | 9321 | BARNESVL | OH | |
| 740-426 | OHIO BELL TEL CO | 9321 | JEFFERSNVL | OH | |
| 740-427 | BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | GAMBIER | OH | |
| 740-428 | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | CHESHIRE | OH | |
| 740-432 | FRONTIER NORTH, INC. - OH | 0615 | CAMBRIDGE | OH | |
| 740-435 | FRONTIER NORTH, INC. - OH | 0615 | CAMBRIDGE | OH | |
| 740-437 | OHIO BELL TEL CO | 9321 | BLOOMINGBG | OH | |
| 740-439 | FRONTIER NORTH, INC. - OH | 0615 | CAMBRIDGE | OH | |
| 740-441 | OHIO BELL TEL CO | 9321 | GALLIPOLIS | OH | |
| 740-446 | OHIO BELL TEL CO | 9321 | GALLIPOLIS | OH | |
| 740-448 | FRONTIER NORTH, INC. - OH | 0615 | AMESVILLE | OH | |
| 740-449 | COMCAST IP PHONE, LLC | 318J | STCLAIRSVL | OH | |
| 740-450 | OHIO BELL TEL CO | 9321 | ZANESVILLE | OH | |
| 740-452 | OHIO BELL TEL CO | 9321 | ZANESVILLE | OH | |
| 740-453 | OHIO BELL TEL CO | 9321 | ZANESVILLE | OH | |
| 740-454 | OHIO BELL TEL CO | 9321 | ZANESVILLE | OH | |
| 740-455 | OHIO BELL TEL CO | 9321 | ZANESVILLE | OH | |
| 740-456 | FRONTIER NORTH, INC. - OH | 0615 | PORTSMOUTH | OH | |
| 740-457 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | STEUBENVL | OH | |
| 740-458 | OHIO BELL TEL CO | 9321 | CLARINGTON | OH | |
| 740-465 | FRONTIER NORTH, INC. - OH | 0615 | MORRAL | OH | |
| 740-467 | FRONTIER NORTH, INC. - OH | 0615 | MILLERSPT | OH | |
| 740-468 | FRONTIER NORTH, INC. - OH | 0615 | PLEASANTVL | OH | |
| 740-472 | OHIO BELL TEL CO | 9321 | WOODSFIELD | OH | |
| 740-473 | OHIO BELL TEL CO | 9321 | NEWPORT | OH | |
| 740-474 | FRONTIER NORTH, INC. - OH | 0615 | CIRCLEVL | OH | |
| 740-475 | PAETEC ITEL, LLC | 829J | LANCASTER | OH | |
| 740-477 | FRONTIER NORTH, INC. - OH | 0615 | CIRCLEVL | OH | |
| 740-479 | METROPCS, INC. | 5562 | IRONTON | OH | |
| 740-482 | FRONTIER NORTH, INC. - OH | 0615 | NEVADA | OH | |
| 740-483 | OHIO BELL TEL CO | 9321 | DUFFY | OH | |
| 740-484 | OHIO BELL TEL CO | 9321 | BETHESDA | OH | |
| 740-489 | WINDSTREAM WESTERN RESERVE, INC. | 0666 | OLDWSHNGTN | OH | |
| 740-490 | PAETEC ITEL, LLC | 829J | LONDON | OH | |
| 740-492 | OHIO BELL TEL CO | 9321 | NEWCOMRSTN | OH | |
| 740-493 | FRONTIER NORTH, INC. - OH | 0615 | IDAHO | OH | |
| 740-494 | FRONTIER NORTH, INC. - OH | 0615 | PROSPECT | OH | |
| 740-495 | OHIO BELL TEL CO | 9321 | NEWHOLLAND | OH | |
| 740-496 | FRONTIER NORTH, INC. - OH | 0615 | HARPSTER | OH | |
| 740-498 | OHIO BELL TEL CO | 9321 | NEWCOMRSTN | OH | |
| 740-499 | FRONTIER NORTH, INC. - OH | 0615 | LA RUE | OH | |
| 740-501 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | MT VERNON | OH | |
| 740-502 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | COSHOCTON | 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.