NumberResearch Membership · Data 09/30/2026

Recent prefix assignments

375 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/30/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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.

Most active assignees, last 30 days
Rogers Communications Canada Inc. (Wireless) 46
8X8, INC. 43
NEW CINGULAR WIRELESS PCS, LLC - DC 28
NEW CINGULAR WIRELESS PCS, LLC - IL 23
ONVOY, LLC - CA 19
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Quick find in this area code:
Recent NPA-NXX prefix assignments
AssignedNPA-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
— 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.