NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

1 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, last 30 days — NPA 812
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
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
2001-06-22 812-541 1XXX2XXX3XXX4XXX5XXX6XXX9XXX · 3 holders which blocks → BRIGHTSPEED OF INDIANA, LLC 0832 VEVAY IN
2001-06-21 812-513 1XXX5XXX6XXX7XXX · 3 holders which blocks → FRONTIER NORTH, INC. - IN 0779 OAKTOWN IN
2001-06-04 812-542 5XXX7XXX8XXX · 3 holders which blocks → INDIANA BELL TEL CO INC 9325 NEW ALBANY IN
2001-05-23 812-301 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → PAETEC ITEL, LLC 829J DALE IN
2001-05-23 812-302 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - IN 4803 FLAT ROCK IN
2001-05-07 812-310 1XXX3XXX4XXX5XXX · 2 holders which blocks → FRONTIER NORTH, INC. - IN 0779 FARMERSBG IN
2001-05-07 812-313 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → FRONTIER NORTH, INC. - IN 0779 HANOVER IN
2001-05-07 812-404 0–9 XXXall 10 · 7 holders which blocks → METROPCS, INC. 5562 SALEM IN
2001-05-07 812-407 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - IN 097D PETERSBURG IN
2001-05-07 812-408 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - IN 4803 REDDINGTON IN
2001-05-07 812-409 0XXX which blocks → ONVOY, LLC - IN 097D FREELANDVL IN
2001-05-07 812-412 1XXX2XXX3XXX4XXX which blocks → ONVOY, LLC - IN 097D FAIRBANKS IN
2001-05-07 812-413 1XXX2XXX3XXX5XXX6XXX7XXX8XXX · 7 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - IN 4803 AUSTIN IN
2001-05-07 812-415 1XXX2XXX3XXX4XXX5XXX6XXX7XXX which blocks → ONVOY, LLC - IN 097D WHEATLAND IN
2001-05-07 812-420 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - IN 4803 BRAZIL IN
2001-05-07 812-501 0–9 XXXall 10 · 2 holders which blocks → FRONTIER NORTH, INC. - IN 0779 GEORGETOWN IN
2001-05-07 812-502 1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 7 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN 7440 BICKNELL IN
2001-05-07 812-503 0–9 XXXall 10 · 6 holders which blocks → AT&T ENTERPRISES, LLC 516C CHARLESTN IN
2001-05-07 812-504 0–9 XXXall 10 · 3 holders which blocks → PAETEC ITEL, LLC 829J HAYSVILLE IN
2001-05-07 812-506 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → PAETEC ITEL, LLC 829J PATOKA IN
2001-05-07 812-507 1XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → PAETEC ITEL, LLC 829J ENGLISH IN
2001-05-07 812-508 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BEDFORD IN
2001-05-07 812-512 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - IN 4803 LINTON IN
2001-05-02 812-245 not yet reported which blocks → PAETEC ITEL, LLC 829J BLOOMINGTN IN
2001-05-02 812-255 not yet reported which blocks → PAETEC ITEL, LLC 829J VINCENNES IN
2001-05-01 812-363 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → METROPCS, INC. 5562 BATESVILLE IN
2001-04-23 812-216 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 SEYMOUR IN
2001-04-19 812-251 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → TELNYX LLC 073H TERREHAUTE IN
2001-04-17 812-229 5XXX7XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TERREHAUTE IN
2001-04-17 812-369 3XXX4XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BLOOMINGTN IN
2001-04-17 812-390 3XXX4XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS IN
2001-04-17 812-580 1XXX3XXX4XXX5XXX7XXX9XXX · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SEYMOUR IN
2001-04-16 812-498 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SEYMOUR IN
2001-04-16 812-521 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SEYMOUR IN
2001-04-16 812-861 0XXX8XXX9XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SEYMOUR IN
2001-04-16 812-869 none assigned yet which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SEYMOUR IN
2001-04-16 812-871 4XXX7XXX8XXX9XXX · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SEYMOUR IN
2001-03-27 812-568 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 EVANSVILLE IN
2001-03-13 812-598 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 EVANSVILLE IN
2001-02-15 812-201 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TERREHAUTE IN
— 812-204 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 EVANSVILLE IN
— 812-205 0XXX1XXX2XXX3XXX4XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 EVANSVILLE IN
— 812-207 1XXX2XXX · 2 holders which blocks → METROPCS, INC. 5562 NEW ALBANY IN
— 812-208 8XXX9XXX which blocks → METROPCS, INC. 5562 TERREHAUTE IN
— 812-211 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX IN
— 812-213 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - IN 097D EVANSVILLE IN
— 812-214 0XXX1XXX2XXX3XXX4XXX5XXX7XXX9XXX · 5 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 MCUTCHANVL IN
— 812-215 1XXX2XXX3XXX4XXX5XXX7XXX8XXX · 5 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PRINCETON IN
— 812-217 1XXX2XXX3XXX4XXX5XXX7XXX8XXX · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BOONVILLE IN
— 812-218 not yet reported which blocks → INDIANA BELL TEL CO INC 9325 NEW ALBANY IN

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.