NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

1 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026

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
— 812-742 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → FRONTIER NORTH, INC.. - IN 0772 TERREHAUTE IN
— 812-743 3XXX7XXX · 2 holders which blocks → FRONTIER NORTH, INC. - IN 0779 MONROECITY IN
— 812-744 9XXX which blocks → SOUTHEASTERN INDIANA RURAL TEL. COOP., INC. 0819 MOORESHILL IN
— 812-745 5XXX which blocks → FRONTIER NORTH, INC. - IN 0779 OAKTOWN IN
— 812-746 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 EVANSVILLE IN
— 812-747 0–9 XXXall 10 · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 W HARRISON IN
— 812-749 2XXX5XXX7XXX · 3 holders which blocks → FRONTIER NORTH, INC. - IN 0779 OAKLAND CY IN
— 812-751 not yet reported which blocks → PAETEC ITEL, LLC 829J BOONVILLE IN
— 812-752 not yet reported which blocks → FRONTIER NORTH, INC. - IN 0779 SCOTTSBURG IN
— 812-753 none assigned yet which blocks → FRONTIER NORTH, INC. - IN 0779 FORTBRANCH IN
— 812-754 2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → FRONTIER NORTH, INC. - IN 0779 SCOTTSBURG IN
— 812-755 0XXX2XXX3XXX6XXX8XXX · 4 holders which blocks → FRONTIER NORTH, INC. - IN 0779 CAMPBELSBG IN
— 812-760 none assigned yet which blocks → POWERTEL KENTUCKY LICENSES, INC. 365C EVANSVILLE IN
— 812-763 not yet reported which blocks → PAETEC ITEL, LLC 829J CHRISNEY IN
— 812-764 6XXX7XXX8XXX9XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS IN
— 812-768 3XXX8XXX · 2 holders which blocks → FRONTIER NORTH, INC. - IN 0779 FORTBRANCH IN
— 812-769 0XXX1XXX4XXX7XXX8XXX9XXX · 4 holders which blocks → FRONTIER NORTH, INC. - IN 0779 DECKER IN
— 812-775 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → CINCINNATI BELL 9348 PEORIA IN
— 812-776 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → CINCINNATI BELL 9348 PEORIA IN
— 812-779 0XXX1XXX4XXX · 2 holders which blocks → FRONTIER NORTH, INC. - IN 0779 PATOKA IN
— 812-782 0XXX1XXX2XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → FRONTIER NORTH, INC. - IN 0779 FRANCISCO IN
— 812-783 0XXX1XXX3XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks → INDIANA BELL TEL CO INC 9325 SOLITUDE IN
— 812-784 0XXX3XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → FRONTIER NORTH, INC. - IN 0779 HAZLETON IN
— 812-789 4XXX7XXX · 2 holders which blocks → FRONTIER NORTH, INC. - IN 0779 PETERSBURG IN
— 812-793 0XXX4XXX5XXX7XXX · 4 holders which blocks → FRONTIER NORTH, INC. - IN 0779 CROTHERSVL IN
— 812-794 5XXX7XXX which blocks → FRONTIER NORTH, INC. - IN 0779 AUSTIN IN
— 812-795 0XXX1XXX3XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → FRONTIER NORTH, INC. - IN 0779 MACKEY IN
— 812-806 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - IN 097D HANOVER IN
— 812-810 0XXX1XXX2XXX3XXX4XXX7XXX · 4 holders which blocks → ONVOY, LLC - IN 097D MORGANTOWN IN
— 812-811 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX IN
— 812-817 0XXX1XXX2XXX3XXX5XXX7XXX8XXX9XXX · 8 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 JASPER IN
— 812-821 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SPENCER IN
— 812-823 6XXX which blocks → SMITHVILLE COMM., INC DBA SMITHVILLE TELEPHONE CO. 0818 SMITHVILLE IN
— 812-824 not yet reported which blocks → SMITHVILLE COMM., INC DBA SMITHVILLE TELEPHONE CO. 0818 SMITHVILLE IN
— 812-825 not yet reported which blocks → SMITHVILLE COMM., INC DBA SMITHVILLE TELEPHONE CO. 0818 STANFORD IN
— 812-826 3XXX4XXX5XXX6XXX7XXX · 2 holders which blocks → SMITHVILLE COMM., INC DBA SMITHVILLE TELEPHONE CO. 0818 STANFORD IN
— 812-827 0XXX1XXX2XXX4XXX5XXX7XXX8XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 JASPER IN
— 812-828 5XXX6XXX which blocks → INDIANA BELL TEL CO INC 9325 SPENCER IN
— 812-829 9XXX which blocks → INDIANA BELL TEL CO INC 9325 SPENCER IN
— 812-830 2XXX3XXX4XXX5XXX6XXX7XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 VINCENNES IN
— 812-831 0XXX3XXX8XXX · 3 holders which blocks → INDIANA BELL TEL CO INC 9325 MT VERNON IN
— 812-833 1XXX4XXX6XXX8XXX9XXX · 3 holders which blocks → INDIANA BELL TEL CO INC 9325 MT VERNON IN
— 812-834 0XXX which blocks → INDIANA BELL TEL CO INC 9325 HELTONVL IN
— 812-835 0XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → FRONTIER NORTH, INC.. - IN 0772 CENTER PT IN
— 812-836 none assigned yet which blocks → PERRY - SPENCER RURAL TELEPHONE COOP., INC. 0807 ST MARKS IN
— 812-837 2XXX3XXX4XXX5XXX6XXX7XXX · 3 holders which blocks → SMITHVILLE COMM., INC DBA SMITHVILLE TELEPHONE CO. 0818 LAKEMONROE IN
— 812-838 none assigned yet which blocks → INDIANA BELL TEL CO INC 9325 MT VERNON IN
— 812-839 none assigned yet which blocks → SOUTHEASTERN INDIANA RURAL TEL. COOP., INC. 0819 CANAAN IN
— 812-841 0XXX which blocks → METROPCS, INC. 5562 TERREHAUTE IN
— 812-842 1XXX6XXX7XXX8XXX which blocks → INDIANA BELL TEL CO INC 9325 NEWBURGH IN

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.