Recent prefix assignments
375 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/30/2026
The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 601-296 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | HATTIESBG | MS |
| — | 601-297 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | 6396 | HATTIESBG | MS |
| — | 601-298 | 1XXX3XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | CARTHAGE | MS |
| — | 601-299 | 3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | METROPCS, INC. | 5562 | HATTIESBG | MS |
| — | 601-301 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → | METROPCS, INC. | 5562 | VICKSBURG | MS |
| — | 601-302 | 0XXX1XXX which blocks → | BANDWIDTH.COM CLEC, LLC - MS | 992E | CARTHAGE | MS |
| — | 601-303 | not yet reported which blocks → | CELLULAR SOUTH, INC. | 6581 | TYLERTOWN | MS |
| — | 601-304 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | NATCHEZ | MS |
| — | 601-305 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → | BANDWIDTH.COM CLEC, LLC - MS | 992E | HATTIESBG | MS |
| — | 601-306 | not yet reported which blocks → | AMERICAN MESSAGING SERVICES, LLC | 9748 | JACKSON | MS |
| — | 601-307 | not yet reported which blocks → | ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC | 6916 | HATTIESBG | MS |
| — | 601-308 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | 6396 | CRYSTALSPG | MS |
| — | 601-309 | none assigned yet which blocks → | BANDWIDTH.COM CLEC, LLC - MS | 992E | GLOSTER | MS |
| — | 601-311 | not yet reported which blocks → | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | MS |
| — | 601-312 | none assigned yet which blocks → | BANDWIDTH.COM CLEC, LLC - MS | 992E | WIGGINS | MS |
| — | 601-313 | 9XXX which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-314 | none assigned yet which blocks → | BANDWIDTH.COM CLEC, LLC - MS | 992E | RICHTON | MS |
| — | 601-315 | 1XXX5XXX6XXX8XXX9XXX · 3 holders which blocks → | SOUTHERN COMMUNICATIONS SERVICES, INC. | 6744 | HATTIESBG | MS |
| — | 601-316 | not yet reported which blocks → | POWERTEL MEMPHIS LICENSES, INC. | 7474 | JACKSON | MS |
| — | 601-317 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | 6396 | JACKSON | MS |
| — | 601-318 | 0XXX4XXX7XXX · 2 holders which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | HATTIESBG | MS |
| — | 601-320 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | BROOKHAVEN | MS |
| — | 601-321 | 4XXX9XXX · 2 holders which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-322 | 5XXX which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | ROXIE | MS |
| — | 601-323 | 7XXX8XXX9XXX which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | LAUREL | MS |
| — | 601-325 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | PAETEC ITEL, LLC | 829J | HATTIESBG | MS |
| — | 601-326 | 1XXX2XXX which blocks → | TEC OF JACKSON, INC. - MS | 3704 | JACKSON | MS |
| — | 601-327 | 0XXX3XXX4XXX6XXX7XXX8XXX · 3 holders which blocks → | POWERTEL MEMPHIS LICENSES, INC. | 7474 | BROOKHAVEN | MS |
| — | 601-328 | not yet reported which blocks → | SPOK, INC. | 6630 | JACKSON | MS |
| — | 601-329 | 0XXX2XXX4XXX5XXX7XXX8XXX · 3 holders which blocks → | METROPCS, INC. | 5562 | HATTIESBG | MS |
| — | 601-331 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | 6396 | JACKSON | MS |
| — | 601-332 | 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | HATTIESBG | MS |
| — | 601-334 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NATCHEZ | MS |
| — | 601-335 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | PAETEC ITEL, LLC | 829J | LAUREL | MS |
| — | 601-338 | not yet reported which blocks → | TELEPAK NETWORKS, INC. - MS | 5278 | MCLAIN | MS |
| — | 601-339 | 0XXX1XXX4XXX6XXX9XXX · 2 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS | 4886 | CLINTON | MS |
| — | 601-342 | 0XXX2XXX3XXX4XXX5XXX7XXX8XXX · 6 holders which blocks → | METROPCS, INC. | 5562 | LAUREL | MS |
| — | 601-344 | none assigned yet which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | LAUREL | MS |
| — | 601-346 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-347 | 0XXX which blocks → | ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC | 6916 | PICAYUNE | MS |
| — | 601-351 | 5XXX6XXX9XXX · 2 holders which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-352 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-353 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-354 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-355 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-356 | none assigned yet which blocks → | BANDWIDTH.COM CLEC, LLC - MS | 992E | PORTGIBSON | MS |
| — | 601-357 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | CELLULAR SOUTH, INC. | 6581 | NEWTONHKRY | MS |
| — | 601-358 | not yet reported which blocks → | PAETEC ITEL, LLC | 829J | PICAYUNE | MS |
| — | 601-359 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
| — | 601-360 | 8XXX which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | JACKSON | MS |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/30/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.