NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

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, all time — NPA 205
BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 224
NEW CINGULAR WIRELESS PCS, LLC - GA 92
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 84
PAETEC ITEL, LLC 53
POWERTEL BIRMINGHAM LICENSES, INC. 42
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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Recent NPA-NXX prefix assignments
AssignedNPA-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
— 205-448 0–9 XXXall 10 · 5 holders which blocks → CENTURYLINK COMMUNICATIONS, LLC 508J SURFSIDE AL
— 205-450 0XXX9XXX · 2 holders which blocks → CHARTER IP ENABLED SERVICES, LLC 792K MOUNDVILLE AL
— 205-451 2XXX3XXX5XXX6XXX7XXX8XXX9XXX which blocks → PAETEC ITEL, LLC 829J BIRMINGHAM AL
— 205-453 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → PAETEC ITEL, LLC 829J BIRMINGHAM AL
— 205-454 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 TUSCALOOSA AL
— 205-455 7XXX9XXX · 2 holders which blocks → BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 9789 PANOLA AL
— 205-457 none assigned yet which blocks → PINE BELT CELLULAR, INC. 4260 BUTLER AL
— 205-458 6XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
— 205-459 not yet reported which blocks → BUTLER TEL. CO., INC. 0284 BUTLER AL
— 205-462 3XXX7XXX8XXX · 2 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 TUSCALOOSA AL
— 205-464 9XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 TUSCALOOSA AL
— 205-465 0XXX3XXX4XXX7XXX · 3 holders which blocks → BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 9789 BRILLIANT AL
— 205-466 not yet reported which blocks → HOPPER TELECOMMUNICATIONS LLC 0300 SNEAD AL
— 205-467 1XXX4XXX5XXX8XXX · 2 holders which blocks → WINDSTREAM ALABAMA, INC. 0302 SPRINGVL AL
— 205-468 not yet reported which blocks → BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 9789 GUIN AL
— 205-469 8XXX9XXX · 2 holders which blocks → PAETEC ITEL, LLC 829J TUSCALOOSA AL
— 205-471 0–9 XXXall 10 · 4 holders which blocks → POWERTEL BIRMINGHAM LICENSES, INC. 7475 JASPER AL
— 205-472 not yet reported which blocks → RAGLAND TEL. CO., INC. 0316 RAGLAND AL
— 205-476 0XXX1XXX2XXX3XXX4XXX8XXX9XXX · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - AL 072F MONTEVALLO AL
— 205-477 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BESSEMER AL
— 205-479 0–9 XXXall 10 · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 CLANTON AL
— 205-481 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BESSEMER AL
— 205-482 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BIRMINGHAM AL
— 205-483 2XXX3XXX4XXX · 3 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 CORDOVA AL
— 205-484 1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → LEVEL 3 TELECOM OF ALABAMA, LLC - AL 7327 BIRMINGHAM AL
— 205-485 0XXX3XXX4XXX · 2 holders which blocks → BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 9789 HALEYVILLE AL
— 205-486 not yet reported which blocks → BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 9789 HALEYVILLE AL
— 205-487 not yet reported which blocks → BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 9789 WINFIELD AL
— 205-488 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
— 205-489 9XXX which blocks → BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 9789 DOUBLE SPG AL
— 205-491 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BESSEMER AL
— 205-492 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BIRMINGHAM AL
— 205-493 0–9 XXXall 10 · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 ONEONTA AL
— 205-494 0–9 XXXall 10 · 6 holders which blocks → CENTURYLINK COMMUNICATIONS, LLC 508J HALEYVILLE AL
— 205-496 1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 EUTAW AL
— 205-497 7XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BESSEMER AL
— 205-498 4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → BANDWIDTH.COM CLEC, LLC - AL 072F HAMILTON AL
— 205-499 2XXX3XXX4XXX5XXX7XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LIVINGSTON AL
— 205-501 not yet reported which blocks → SPOK, INC. 6630 BIRMINGHAM AL
— 205-502 2XXX4XXX6XXX7XXX · 3 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
— 205-507 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 TUSCALOOSA AL
— 205-510 6XXX7XXX8XXX9XXX · 4 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
— 205-511 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX AL
— 205-513 not yet reported which blocks → SPOK, INC. 6630 BIRMINGHAM AL
— 205-515 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BIRMINGHAM AL
— 205-516 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BIRMINGHAM AL
— 205-520 none assigned yet which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
— 205-521 1XXX2XXX3XXX4XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
— 205-522 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 JASPER AL
— 205-523 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → PAETEC ITEL, LLC 829J TUSCALOOSA AL

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.