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 318
ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 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
— 318-699 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 MONROE LA
— 318-700 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX LA
— 318-707 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 2 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - LA 3232 MINDEN LA
— 318-709 1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 5 holders which blocks → METROPCS, INC. 5562 ALEXANDRIA LA
— 318-711 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX LA
— 318-715 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
— 318-716 1XXX3XXX4XXX5XXX6XXX7XXX · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 SHREVEPORT LA
— 318-719 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FERRIDAY LA
— 318-722 1XXX2XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 CROWVILLE LA
— 318-723 1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 FTNECESSTY LA
— 318-724 1XXX2XXX5XXX8XXX · 2 holders which blocks → BRIGHTSPEED OF LOUISIANA, LLC 0434 WISNER LA
— 318-726 1XXX2XXX8XXX · 2 holders which blocks → BRIGHTSPEED OF LOUISIANA, LLC 0434 SPENCER LA
— 318-727 1XXX2XXX3XXX5XXX6XXX7XXX · 4 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 WINNFIELD LA
— 318-728 1XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 RAYVILLE LA
— 318-729 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ALEXANDRIA LA
— 318-730 8XXX which blocks → METROPCS, INC. 5562 ALEXANDRIA LA
— 318-732 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 MONROE LA
— 318-741 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-742 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-744 1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 HARRISONBG LA
— 318-745 1XXX4XXX5XXX6XXX7XXX9XXX · 4 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 DOYLINE LA
— 318-746 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-747 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-748 0XXX1XXX2XXX · 2 holders which blocks → BRIGHTSPEED OF LOUISIANA, LLC 0434 GLENMORA LA
— 318-749 1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 WATERPROOF LA
— 318-751 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 8764 SHREVEPORT LA
— 318-752 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-755 not yet reported which blocks → CAMPTI-PLEASANT HILL TEL. CO. 0426 PELICAN LA
— 318-756 0XXX5XXX6XXX7XXX · 2 holders which blocks → ONVOY, LLC - LA 749E CHATHAM LA
— 318-757 5XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 FERRIDAY LA
— 318-758 9XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 FERRIDAY LA
— 318-759 0XXX2XXX4XXX7XXX8XXX9XXX · 6 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-765 2XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 POLLOCK LA
— 318-766 1XXX2XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 ST JOSEPH LA
— 318-767 4XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 ALEXANDRIA LA
— 318-768 1XXX5XXX8XXX · 2 holders which blocks → BRIGHTSPEED OF LOUISIANA, LLC 0434 CHOUDRANT LA
— 318-773 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SHREVEPORT LA
— 318-776 none assigned yet which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 LECOMPTE LA
— 318-777 1XXX2XXX4XXX5XXX6XXX9XXX · 2 holders which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 DUBACH LA
— 318-778 8XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BERNICE LA
— 318-780 0–9 XXXwhole prefix which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 SHREVEPORT LA
— 318-790 2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 ALEXANDRIA LA
— 318-791 4XXX6XXX which blocks → ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 MONROE LA
— 318-792 0XXX7XXX8XXX which blocks → ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 ALEXANDRIA LA
— 318-793 6XXX7XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BOYCE LA
— 318-795 7XXX which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-796 not yet reported which blocks → CAMPTI-PLEASANT HILL TEL. CO. 0426 PLEASANTHL LA
— 318-797 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-798 not yet reported which blocks → BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 SHREVEPORT LA
— 318-799 none assigned yet which blocks → ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 SHREVEPORT LA

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.