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 |
|---|---|---|---|---|---|
| 315-202 | TWC IP ENABLED SERVICES, LLC | 793K | WATERVILLE | NY | |
| 315-203 | TWC IP ENABLED SERVICES, LLC | 793K | ADAMS | NY | |
| 315-204 | TWC IP ENABLED SERVICES, LLC | 793K | W WINFIELD | NY | |
| 315-205 | TWC IP ENABLED SERVICES, LLC | 793K | REMSEN | NY | |
| 315-206 | TWC IP ENABLED SERVICES, LLC | 793K | HOLLD PTNT | NY | |
| 315-207 | VERIZON NEW YORK, INC. | 9104 | OSWEGO | NY | |
| 315-208 | TWC IP ENABLED SERVICES, LLC | 793K | WINTHROP | NY | |
| 315-210 | PAETEC ITEL, LLC | 829J | NEWARK | NY | |
| 315-211 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 315-212 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | POTSDAM | NY | |
| 315-213 | SPOK, INC. | 6630 | AUBURN | NY | |
| 315-214 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-215 | TC SYSTEMS, INC. - NY | 7140 | ALEXNDRIBY | NY | |
| 315-216 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | OSWEGO | NY | |
| 315-217 | PAETEC ITEL, LLC | 829J | SKANEATLES | NY | |
| 315-218 | PAETEC ITEL, LLC | 829J | SYRACUSE | NY | |
| 315-219 | TC SYSTEMS, INC. - NY | 7140 | HERKIMER | NY | |
| 315-220 | PAETEC ITEL, LLC | 829J | WATERLOO | NY | |
| 315-221 | TC SYSTEMS, INC. - NY | 7140 | WATERTOWN | NY | |
| 315-222 | PAETEC ITEL, LLC | 829J | WATERTOWN | NY | |
| 315-223 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | UTICA | NY | |
| 315-224 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AUBURN | NY | |
| 315-225 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ROME | NY | |
| 315-226 | TC SYSTEMS, INC. - NY | 7140 | NEWARK | NY | |
| 315-227 | TC SYSTEMS, INC. - NY | 7140 | PENN YAN | NY | |
| 315-228 | TC SYSTEMS, INC. - NY | 7140 | HAMILTON | NY | |
| 315-229 | TC SYSTEMS, INC. - NY | 7140 | CANTON | NY | |
| 315-230 | TC SYSTEMS, INC. - NY | 7140 | GENEVA | NY | |
| 315-231 | TC SYSTEMS, INC. - NY | 7140 | ONEIDA | NY | |
| 315-232 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | ADAMS | NY | |
| 315-233 | TC SYSTEMS, INC. - NY | 7140 | SYRACUSE | NY | |
| 315-234 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | SYRACUSE | NY | |
| 315-235 | TC SYSTEMS, INC. - NY | 7140 | UTICA | NY | |
| 315-236 | TC SYSTEMS, INC. - NY | 7140 | OSWEGO | NY | |
| 315-237 | TC SYSTEMS, INC. - NY | 7140 | AUBURN | NY | |
| 315-238 | TC SYSTEMS, INC. - NY | 7140 | TULLY | NY | |
| 315-239 | TC SYSTEMS, INC. - NY | 7140 | SENECA FLS | NY | |
| 315-240 | PAETEC ITEL, LLC | 829J | ROME | NY | |
| 315-241 | SPOK, INC. | 6630 | SYRACUSE | NY | |
| 315-242 | SPOK, INC. | 6630 | SYRACUSE | NY | |
| 315-243 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SYRACUSE | NY | |
| 315-244 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | POTSDAM | NY | |
| 315-245 | VERIZON NEW YORK, INC. | 9104 | CAMDEN | NY | |
| 315-246 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AUBURN | NY | |
| 315-247 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SYRACUSE | NY | |
| 315-248 | SPOK, INC. | 6630 | AUBURN | NY | |
| 315-249 | SPOK, INC. | 6630 | SYRACUSE | NY | |
| 315-250 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MASSENA | NY | |
| 315-251 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-252 | VERIZON NEW YORK, INC. | 9104 | AUBURN | 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.