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
2018-07-17 469-493 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2018-07-03 469-492 0–9 XXXall 10 · 2 holders which blocks → METROPCS, INC. 5562 FRISCO TX
2018-06-27 469-491 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARROLLTON TX
2018-06-15 469-489 0XXX1XXX2XXX3XXX4XXX5XXX7XXX9XXX · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 WILMER TX
2018-06-15 469-490 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2018-05-16 469-485 0–9 XXXall 10 · 7 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 FARMERSVL TX
2018-05-10 469-479 0–9 XXXall 10 · 3 holders which blocks → AIRESPRING, INC. 996H PLANO TX
2018-05-10 469-482 0–9 XXXall 10 · 6 holders which blocks → ONE RING NETWORKS, INC. 065J DLFTWTARPT TX
2018-05-09 469-476 0–9 XXXall 10 · 3 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F FRISCO TX
2018-04-17 469-468 0–9 XXXall 10 · 2 holders which blocks → T-MOBILE USA, INC. 6529 FRISCO TX
2018-04-17 469-469 0–9 XXXall 10 · 3 holders which blocks → T-MOBILE USA, INC. 6529 FRISCO TX
2018-04-05 469-465 0–9 XXXwhole prefix which blocks → T-MOBILE USA, INC. 6529 FRISCO TX
2018-03-29 469-462 0–9 XXXwhole prefix which blocks → SOUTHWESTERN BELL 9533 FRISCO TX
2018-03-23 469-459 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → CENTURYLINK COMMUNICATIONS, LLC 508J BARDWELL TX
2018-03-22 469-457 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → CENTURYLINK COMMUNICATIONS, LLC 508J MAYPEARL TX
2018-03-21 469-439 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2018-03-20 469-456 0–9 XXXall 10 · 2 holders which blocks → CHARTER IP ENABLED SERVICES, LLC 792K ENNIS TX
2018-03-09 469-431 0–9 XXXall 10 · 2 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F GRANDPRARI TX
2018-03-08 469-397 0–9 XXXall 10 · 4 holders which blocks → METROPCS, INC. 5562 DE SOTO TX
2018-03-07 469-395 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2018-02-15 469-393 0–9 XXXall 10 · 6 holders which blocks → PEERLESS NETWORK OF TEXAS, LLC - TX 177F ALLEN TX
2018-02-08 469-389 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FRISCO TX
2018-02-07 469-436 0–9 XXXwhole prefix which blocks → ONVOY, LLC - TX 903C DALLAS TX
2018-01-09 469-380 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2018-01-05 469-379 0–9 XXXall 10 · 4 holders which blocks → METROPCS, INC. 5562 IRVING TX
2017-12-26 469-382 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - TX 903C CEDAR HILL TX
2017-12-20 469-370 0–9 XXXall 10 · 3 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 MCKINNEY TX
2017-12-04 469-350 0–9 XXXall 10 · 2 holders which blocks → T-MOBILE USA, INC. 6529 GRANDPRARI TX
2017-10-25 469-349 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2017-10-11 469-391 0–9 XXXall 10 · 4 holders which blocks → PAETEC ITEL, LLC 829J DALLAS TX
2017-09-12 469-325 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 MCKINNEY TX
2017-09-12 469-428 0–9 XXXall 10 · 4 holders which blocks → SOUTHWESTERN BELL 9533 FRISCO TX
2017-08-25 469-430 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - TX 903C FRISCO TX
2017-08-24 469-455 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - TX 903C LEWISVILLE TX
2017-08-17 469-405 0–9 XXXwhole prefix which blocks → ONVOY, LLC - TX 903C DALLAS TX
2017-08-14 469-367 0–9 XXXall 10 · 3 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K PLANO TX
2017-08-14 469-409 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - TX 903C PLANO TX
2017-08-09 469-318 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2017-02-06 469-536 0–9 XXXall 10 · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 FRISCO TX
2017-01-18 469-673 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F GRANDPRARI TX
2016-12-02 469-577 0–9 XXXall 10 · 7 holders which blocks → TELNYX LLC 073H DALLAS TX
2016-11-23 469-968 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LEWISVILLE TX
2016-11-18 469-460 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2016-11-08 469-974 0–9 XXXall 10 · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PLANO TX
2016-11-03 469-984 0–9 XXXall 10 · 3 holders which blocks → T-MOBILE USA, INC. 6529 GRANDPRARI TX
2016-11-02 469-697 0–9 XXXall 10 · 7 holders which blocks → COMMIO, LLC 939H DALLAS TX
2016-10-31 469-929 0–9 XXXall 10 · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 PLANO TX
2016-10-24 469-782 0–9 XXXall 10 · 4 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K PLANO TX
2016-10-20 469-868 0–9 XXXall 10 · 5 holders which blocks → AIRUS, INC. - TX 951F DALLAS TX
2016-09-28 469-381 0–9 XXXall 10 · 5 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARROLLTON 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.