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 |
|---|---|---|---|---|---|
| 315-253 | VERIZON NEW YORK, INC. | 9104 | AUBURN | NY | |
| 315-255 | VERIZON NEW YORK, INC. | 9104 | AUBURN | NY | |
| 315-256 | PAETEC ITEL, LLC | 829J | FAYETTEVL | NY | |
| 315-257 | PAETEC ITEL, LLC | 829J | SENECA FLS | NY | |
| 315-258 | VERIZON NEW YORK, INC. | 9104 | AUBURN | NY | |
| 315-259 | TWC IP ENABLED SERVICES, LLC | 793K | CLAYVILLE | NY | |
| 315-261 | TC SYSTEMS, INC. - NY | 7140 | POTSDAM | NY | |
| 315-262 | VERIZON NEW YORK, INC. | 9104 | POTSDAM | NY | |
| 315-263 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYRACUSE | NY | |
| 315-264 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | SYLVAN BCH | NY | |
| 315-265 | VERIZON NEW YORK, INC. | 9104 | POTSDAM | NY | |
| 315-266 | VERIZON NEW YORK, INC. | 9104 | UTICA | NY | |
| 315-267 | VERIZON NEW YORK, INC. | 9104 | POTSDAM | NY | |
| 315-268 | VERIZON NEW YORK, INC. | 9104 | POTSDAM | NY | |
| 315-269 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | UTICA | NY | |
| 315-270 | BANDWIDTH.COM CLEC, LLC - NY | 997E | PENN YAN | NY | |
| 315-271 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | ROME | NY | |
| 315-272 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | UTICA | NY | |
| 315-276 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | MADRID | NY | |
| 315-278 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | SYRACUSE | NY | |
| 315-279 | PAETEC ITEL, LLC | 829J | PENN YAN | NY | |
| 315-280 | PAETEC ITEL, LLC | 829J | ONEIDA | NY | |
| 315-281 | PAETEC ITEL, LLC | 829J | ROME | NY | |
| 315-282 | PAETEC ITEL, LLC | 829J | AUBURN | NY | |
| 315-283 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | AUBURN | NY | |
| 315-284 | TWC IP ENABLED SERVICES, LLC | 793K | ADAMS CTR | NY | |
| 315-285 | PAETEC ITEL, LLC | 829J | CLAYTON | NY | |
| 315-286 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WATERTOWN | NY | |
| 315-287 | VERIZON NEW YORK, INC. | 9104 | GOUVERNEUR | NY | |
| 315-288 | BANDWIDTH.COM CLEC, LLC - NY | 997E | CICERO | NY | |
| 315-289 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SYRACUSE | NY | |
| 315-290 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | LYONS | NY | |
| 315-291 | VERIZON NEW YORK, INC. | 9104 | SKANEATLES | NY | |
| 315-292 | PAETEC ITEL, LLC | 829J | UTICA | NY | |
| 315-293 | ONVOY, LLC- NY | 384C | WOLCOTT | NY | |
| 315-294 | PAETEC ITEL, LLC | 829J | AUBURN | NY | |
| 315-295 | PAETEC ITEL, LLC | 829J | SYRACUSE | NY | |
| 315-296 | TC SYSTEMS, INC. - NY | 7140 | MASSENA | NY | |
| 315-297 | TWC IP ENABLED SERVICES, LLC | 793K | FULTON | NY | |
| 315-298 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | PULASKI | NY | |
| 315-299 | PAETEC ITEL, LLC | 829J | SYRACUSE | NY | |
| 315-300 | TWC IP ENABLED SERVICES, LLC | 793K | CHAUMONT | NY | |
| 315-301 | TWC IP ENABLED SERVICES, LLC | 793K | CROGHAN | NY | |
| 315-302 | TWC IP ENABLED SERVICES, LLC | 793K | HERMON | NY | |
| 315-303 | TWC IP ENABLED SERVICES, LLC | 793K | BALDWINSVL | NY | |
| 315-304 | TWC IP ENABLED SERVICES, LLC | 793K | HENDERSON | NY | |
| 315-305 | TWC IP ENABLED SERVICES, LLC | 793K | BRANCHPORT | NY | |
| 315-306 | TWC IP ENABLED SERVICES, LLC | 793K | ORISKNYFLS | NY | |
| 315-309 | TC SYSTEMS, INC. - NY | 7140 | STAR LAKE | NY | |
| 315-310 | PAETEC ITEL, LLC | 829J | MARION | 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.