NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

0 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, all time — NPA 469
T-MOBILE USA, INC. 117
NEW CINGULAR WIRELESS PCS, LLC - IL 86
LEVEL 3 COMMUNICATIONS, LLC - TX 71
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 71
ONVOY, LLC - TX 66
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
2016-09-09 469-983 0–9 XXXall 10 · 2 holders which blocks → PEERLESS NETWORK OF TEXAS, LLC - TX 177F DALLAS TX
2016-09-08 469-862 0–9 XXXall 10 · 5 holders which blocks → SOUTHWESTERN BELL 9533 DALLAS TX
2016-09-07 469-514 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FRISCO TX
2016-08-04 469-451 0–9 XXXall 10 · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 LEWISVILLE TX
2016-08-04 469-687 0–9 XXXall 10 · 4 holders which blocks → AT&T ENTERPRISES, LLC 516C DALLAS TX
2016-07-18 469-886 0–9 XXXall 10 · 8 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 DALLAS TX
2016-07-11 469-975 0–9 XXXall 10 · 2 holders which blocks → COMMIO, LLC 022H PLANO TX
2016-07-08 469-473 0–9 XXXall 10 · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 FRISCO TX
2016-07-06 469-356 0–9 XXXall 10 · 7 holders which blocks → ONVOY, LLC - TX 903C NEVADA TX
2016-06-28 469-847 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2016-06-28 469-858 0–9 XXXall 10 · 3 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K GRANDPRARI TX
2016-06-28 469-969 0–9 XXXall 10 · 3 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K PLANO TX
2016-06-28 469-981 0–9 XXXall 10 · 8 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F ROYSE CITY TX
2016-06-27 469-866 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2016-06-16 469-986 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F CARROLLTON TX
2016-05-24 469-832 0–9 XXXwhole prefix which blocks → SOUTHWESTERN BELL 9533 DALLAS TX
2016-05-04 469-527 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 7 holders which blocks → CHARTER IP ENABLED SERVICES, LLC 792K PALMER TX
2016-04-29 469-745 0–9 XXXall 10 · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 ROCKWALL TX
2016-04-25 469-354 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2016-04-22 469-881 0–9 XXXall 10 · 3 holders which blocks → CHARTER IP ENABLED SERVICES, LLC 792K ENNIS TX
2016-04-20 469-466 0–9 XXXall 10 · 6 holders which blocks → ONVOY, LLC - TX 903C DALLAS TX
2016-04-15 469-796 0–9 XXXall 10 · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 MCKINNEY TX
2016-04-13 469-543 0–9 XXXall 10 · 2 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K PLANO TX
2016-04-13 469-677 0–9 XXXall 10 · 4 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K DALLAS TX
2016-04-12 469-925 0–9 XXXall 10 · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 PLANO TX
2016-04-07 469-494 0–9 XXXwhole prefix which blocks → T-MOBILE USA, INC. 6529 ENNIS TX
2016-04-06 469-776 0–9 XXXall 10 · 5 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 DALLAS TX
2016-03-11 469-306 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - TX 903C DE SOTO TX
2016-03-11 469-421 0–9 XXXall 10 · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 ALLEN TX
2016-03-11 469-860 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → ONVOY, LLC - TX 903C CRANDALL TX
2016-03-09 469-931 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2016-02-23 469-290 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - TX 903C FORNEY TX
2016-01-18 469-820 0–9 XXXall 10 · 8 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 RED OAK TX
2016-01-15 469-954 0–9 XXXall 10 · 2 holders which blocks → T-MOBILE USA, INC. 6529 FORNEY TX
2016-01-12 469-805 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2016-01-08 469-281 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - TX 903C DLFTWTARPT TX
2016-01-06 469-562 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2015-12-30 469-758 0–9 XXXall 10 · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 CARROLLTON TX
2015-12-16 469-724 0–9 XXXwhole prefix which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2015-12-15 469-369 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - TX 903C GRANDPRARI TX
2015-12-10 469-771 0–9 XXXall 10 · 6 holders which blocks → ONVOY, LLC - TX 903C LEWISVILLE TX
2015-11-25 469-987 0–9 XXXall 10 · 2 holders which blocks → T-MOBILE USA, INC. 6529 GRANDPRARI TX
2015-11-24 469-982 0–9 XXXwhole prefix which blocks → T-MOBILE USA, INC. 6529 GRANDPRARI TX
2015-11-24 469-988 0–9 XXXall 10 · 2 holders which blocks → T-MOBILE USA, INC. 6529 ENNIS TX
2015-11-24 469-990 0–9 XXXall 10 · 2 holders which blocks → T-MOBILE USA, INC. 6529 GRANDPRARI TX
2015-11-20 469-991 0–9 XXXwhole prefix which blocks → ONVOY, LLC - TX 903C PLANO TX
2015-11-18 469-210 0–9 XXXwhole prefix which blocks → ONVOY, LLC - TX 903C DALLAS TX
2015-11-13 469-856 0–9 XXXall 10 · 6 holders which blocks → T-MOBILE USA, INC. 6529 MIDLOTHIAN TX
2015-11-12 469-678 0–9 XXXall 10 · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 MCKINNEY TX
2015-11-05 469-427 0–9 XXXwhole prefix which blocks → T-MOBILE USA, INC. 6529 GRANDPRARI TX

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.