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
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 315-543 | VERIZON NEW YORK, INC. | 9104 | HARRISVL | NY | |
| 315-545 | TC SYSTEMS, INC. - NY | 7140 | CAMILLUS | NY | |
| 315-546 | PAETEC ITEL, LLC | 829J | LIVERPOOL | NY | |
| 315-548 | ONTARIO TELEPHONE COMPANY, INC. | 0112 | PHELPS | NY | |
| 315-549 | VERIZON NEW YORK, INC. | 9104 | FAYETTE | NY | |
| 315-550 | NY | ||||
| 315-551 | PAETEC ITEL, LLC | 829J | SYRACUSE | NY | |
| 315-553 | TWC IP ENABLED SERVICES, LLC | 793K | SODUS | NY | |
| 315-554 | TC SYSTEMS, INC. - NY | 7140 | SKANEATLES | NY | |
| 315-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | NY | |
| 315-556 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | LITTLE FLS | NY | |
| 315-557 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | CLINTON | NY | |
| 315-558 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYRACUSE | NY | |
| 315-559 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYRACUSE | NY | |
| 315-562 | EDWARDS TEL. CO., INC. | 0092 | EDWARDS | NY | |
| 315-563 | TC SYSTEMS, INC. - NY | 7140 | POPLAR RDG | NY | |
| 315-564 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | HANNIBAL | NY | |
| 315-566 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | POTSDAM | NY | |
| 315-568 | VERIZON NEW YORK, INC. | 9104 | SENECA FLS | NY | |
| 315-569 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYRACUSE | NY | |
| 315-571 | PAETEC ITEL, LLC | 829J | ROME | NY | |
| 315-573 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NEWARK | NY | |
| 315-574 | NORTHLAND NETWORKS, LTD. - NY | 7556 | HERKIMER | NY | |
| 315-576 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | MARION | NY | |
| 315-577 | ONVOY, LLC- NY | 384C | WATERLOO | NY | |
| 315-578 | CITIZENS TEL. CO. OF HAMMOND NY, INC. | 0081 | MACOMB | NY | |
| 315-579 | NORTHLAND NETWORKS, LTD. - NY | 7556 | SYRACUSE | NY | |
| 315-580 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | UTICA | NY | |
| 315-581 | VERIZON NEW YORK, INC. | 9104 | XXXXXXXXXX | NY | |
| 315-582 | BANDWIDTH.COM CLEC, LLC - NY | 997E | GOUVERNEUR | NY | |
| 315-583 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | ADAMS CTR | NY | |
| 315-584 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | MARION | NY | |
| 315-585 | VERIZON NEW YORK, INC. | 9104 | MACDOUGALL | NY | |
| 315-586 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | WATERTOWN | NY | |
| 315-587 | VERIZON NEW YORK, INC. | 9104 | NORTH ROSE | NY | |
| 315-588 | ONVOY, LLC- NY | 384C | ALEXNDRIBY | NY | |
| 315-589 | VERIZON NEW YORK, INC. | 9104 | WILLIAMSON | NY | |
| 315-590 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | MADRID | NY | |
| 315-591 | WINDSTREAM NEW YORK, INC. - FULTON | 0106 | FULTON | NY | |
| 315-592 | WINDSTREAM NEW YORK, INC. - FULTON | 0106 | FULTON | NY | |
| 315-593 | WINDSTREAM NEW YORK, INC. - FULTON | 0106 | FULTON | NY | |
| 315-594 | VERIZON NEW YORK, INC. | 9104 | WOLCOTT | NY | |
| 315-595 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | BRANCHPORT | NY | |
| 315-596 | ONVOY SPECTRUM, LLC | 624H | OSWEGO | NY | |
| 315-597 | VERIZON NEW YORK, INC. | 9104 | PALMYRA | NY | |
| 315-598 | WINDSTREAM NEW YORK, INC. - FULTON | 0106 | FULTON | NY | |
| 315-599 | VERIZON NEW YORK, INC. | 9104 | OSCEOLA | NY | |
| 315-600 | NORTHLAND NETWORKS, LTD. - NY | 7556 | MASSENA | NY | |
| 315-601 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | UTICA | NY | |
| 315-602 | NORTHLAND NETWORKS, LTD. - NY | 7556 | OSWEGO | 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.