NumberResearchRecent prefix assignments
371 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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 215-287 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA | |
| 215-288 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-289 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-290 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-291 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-292 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA | |
| 215-293 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN39 | PA | |
| 215-294 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHLDLPHZN2 | PA | |
| 215-295 | VERIZON PENNSYLVANIA, INC. | 9208 | MORRISVL | PA | |
| 215-296 | SPOK, INC. | 6630 | PHPHSBZN40 | PA | |
| 215-297 | VERIZON PENNSYLVANIA, INC. | 9208 | CARVERSVL | PA | |
| 215-298 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHLDLPHZN3 | PA | |
| 215-299 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-304 | VERIZON PENNSYLVANIA, INC. | 9208 | DOYLESTOWN | PA | |
| 215-305 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHLDLPHZN4 | PA | |
| 215-306 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-308 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-309 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHLDLPHZN1 | PA | |
| 215-310 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | MORRISVL | PA | |
| 215-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | PA | |
| 215-312 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-313 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA | |
| 215-314 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-315 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN39 | PA | |
| 215-316 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHLDLPHZN2 | PA | |
| 215-317 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHPHSBZN33 | PA | |
| 215-318 | RCN TELECOM SERVICES OF PENNSYLVANIA, INC. | 7615 | PHPHSBZN45 | PA | |
| 215-319 | SPOK, INC. | 6630 | PHLDLPHZN1 | PA | |
| 215-320 | PAETEC ITEL, LLC | 829J | PHLDLPHZN1 | PA | |
| 215-321 | VERIZON PENNSYLVANIA, INC. | 9208 | YARDLEY | PA | |
| 215-322 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN40 | PA | |
| 215-323 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN39 | PA | |
| 215-324 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-325 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PHPHSBZN39 | PA | |
| 215-326 | RCN TELECOM SERVICES OF PENNSYLVANIA, INC. | 7615 | PHPHSBZN33 | PA | |
| 215-327 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PHLDLPHZN1 | PA | |
| 215-328 | VERIZON PENNSYLVANIA, INC. | 9208 | PHPHSBZN39 | PA | |
| 215-329 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN3 | PA | |
| 215-330 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-331 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-332 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-333 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-334 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-335 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-336 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-337 | VERIZON PENNSYLVANIA, INC. | 9208 | MORRISVL | PA | |
| 215-338 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN4 | PA | |
| 215-339 | VERIZON PENNSYLVANIA, INC. | 9208 | PHLDLPHZN1 | PA | |
| 215-340 | VERIZON PENNSYLVANIA, INC. | 9208 | DOYLESTOWN | PA | |
| 215-341 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | PHLDLPHZN2 | PA |
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.