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
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 315-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 315-312 | PAETEC ITEL, LLC | 829J | OSWEGO | NY | |
| 315-316 | BANDWIDTH.COM CLEC, LLC - NY | 997E | UTICA | NY | |
| 315-317 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYRACUSE | NY | |
| 315-318 | TWC IP ENABLED SERVICES, LLC | 793K | PHELPS | NY | |
| 315-319 | CONTACT COMMUNICATIONS, INC. | 4721 | MADRID | NY | |
| 315-320 | PAETEC ITEL, LLC | 829J | CAMILLUS | NY | |
| 315-322 | VERIZON NEW YORK, INC. | 9104 | MADRID | NY | |
| 315-323 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | MADRID | NY | |
| 315-324 | CITIZENS TEL. CO. OF HAMMOND NY, INC. | 0081 | HAMMOND | NY | |
| 315-326 | PAETEC ITEL, LLC | 829J | OSWEGO | NY | |
| 315-327 | PAETEC ITEL, LLC | 829J | UTICA | NY | |
| 315-328 | NICHOLVILLE TEL. CO., INC. | 0108 | NICHOLVL | NY | |
| 315-329 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | FAYETTEVL | NY | |
| 315-330 | VERIZON NEW YORK, INC. | 9104 | ROME | NY | |
| 315-331 | VERIZON NEW YORK, INC. | 9104 | NEWARK | NY | |
| 315-332 | VERIZON NEW YORK, INC. | 9104 | NEWARK | NY | |
| 315-334 | VERIZON NEW YORK, INC. | 9104 | ROME | NY | |
| 315-335 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | ROME | NY | |
| 315-336 | VERIZON NEW YORK, INC. | 9104 | ROME | NY | |
| 315-337 | VERIZON NEW YORK, INC. | 9104 | ROME | NY | |
| 315-338 | VERIZON NEW YORK, INC. | 9104 | ROME | NY | |
| 315-339 | VERIZON NEW YORK, INC. | 9104 | ROME | NY | |
| 315-340 | SPOK, INC. | 6630 | GENEVA | NY | |
| 315-341 | VERIZON NEW YORK, INC. | 9104 | OSWEGO | NY | |
| 315-342 | VERIZON NEW YORK, INC. | 9104 | OSWEGO | NY | |
| 315-343 | VERIZON NEW YORK, INC. | 9104 | OSWEGO | NY | |
| 315-344 | VERIZON NEW YORK, INC. | 9104 | HEUVELTON | NY | |
| 315-345 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYRACUSE | NY | |
| 315-346 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | CROGHAN | NY | |
| 315-347 | EDWARDS TEL. CO., INC. | 0092 | HERMON | NY | |
| 315-348 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | LYONSFALLS | NY | |
| 315-349 | VERIZON NEW YORK, INC. | 9104 | OSWEGO | NY | |
| 315-350 | TC SYSTEMS, INC. - NY | 7140 | SYRACUSE | NY | |
| 315-351 | TC SYSTEMS, INC. - NY | 7140 | UTICA | NY | |
| 315-352 | TC SYSTEMS, INC. - NY | 7140 | BALDWINSVL | NY | |
| 315-353 | VERIZON NEW YORK, INC. | 9104 | NORWOOD | NY | |
| 315-354 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | RAQUETTELK | NY | |
| 315-355 | NORTHLAND NETWORKS, LTD. - NY | 7556 | MADRID | NY | |
| 315-356 | NORTHLAND NETWORKS, LTD. - NY | 7556 | ROME | NY | |
| 315-357 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | EAGLE BAY | NY | |
| 315-358 | TWC IP ENABLED SERVICES, LLC | 793K | BOONVILLE | NY | |
| 315-359 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NEWARK | NY | |
| 315-361 | VERIZON NEW YORK, INC. | 9104 | ONEIDA | NY | |
| 315-362 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | SYRACUSE | NY | |
| 315-363 | VERIZON NEW YORK, INC. | 9104 | ONEIDA | NY | |
| 315-364 | VERIZON NEW YORK, INC. | 9104 | POPLAR RDG | NY | |
| 315-365 | PORT BYRON TEL. CO. | 0118 | SAVANNAH | NY | |
| 315-366 | VERIZON NEW YORK, INC. | 9104 | ONEIDA | NY | |
| 315-367 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | ONEIDA | 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.