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
2012-12-26 469-571 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2012-12-20 469-434 0–9 XXXall 10 · 3 holders which blocks → T-MOBILE USA, INC. 6529 ROCKWALL TX
2012-12-18 469-352 0–9 XXXall 10 · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 MCKINNEY TX
2012-12-18 469-425 0–9 XXXall 10 · 6 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 ANNA TX
2012-12-13 469-410 0–9 XXXall 10 · 4 holders which blocks → T-MOBILE USA, INC. 6529 TERRELL TX
2012-12-11 469-408 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2012-11-26 469-336 0–9 XXXall 10 · 4 holders which blocks → T-MOBILE USA, INC. 6529 MIDLOTHIAN TX
2012-11-26 469-407 0–9 XXXwhole prefix which blocks → T-MOBILE USA, INC. 6529 FORNEY TX
2012-11-21 469-347 0–9 XXXall 10 · 2 holders which blocks → T-MOBILE USA, INC. 6529 FRISCO TX
2012-11-20 469-412 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - TX 903C FORNEY TX
2012-11-20 469-414 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - TX 903C COMBINE TX
2012-11-20 469-415 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - TX 903C MAYPEARL TX
2012-11-20 469-423 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - TX 903C BLUE RIDGE TX
2012-11-02 469-413 0–9 XXXwhole prefix which blocks → SOUTHWESTERN BELL 9533 DALLAS TX
2012-11-02 469-419 0–9 XXXwhole prefix which blocks → SOUTHWESTERN BELL 9533 DALLAS TX
2012-10-23 469-406 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 MCKINNEY TX
2012-10-23 469-502 0–9 XXXall 10 · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2012-10-11 469-404 0–9 XXXwhole prefix which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2012-09-06 469-401 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2012-08-22 469-320 0–9 XXXall 10 · 5 holders which blocks → PAETEC ITEL, LLC 829J DALLAS TX
2012-07-16 469-316 0–9 XXXwhole prefix which blocks → T-MOBILE USA, INC. 6529 GRANDPRARI TX
2012-06-13 469-315 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2012-05-30 469-319 0–9 XXXall 10 · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 SEAGOVILLE TX
2012-05-24 469-708 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - TX 903C DALLAS TX
2012-05-23 469-317 0–9 XXXall 10 · 5 holders which blocks → TWC IP ENABLED SERVICES, LLC 793K DALLAS TX
2012-05-01 469-314 0–9 XXXall 10 · 8 holders which blocks → PAETEC ITEL, LLC 829J ROCKWALL TX
2012-04-18 469-313 0–9 XXXwhole prefix which blocks → PEERLESS NETWORK OF TEXAS, LLC - TX 177F DE SOTO TX
2012-04-17 469-249 0–9 XXXall 10 · 3 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 DALLAS TX
2012-04-10 469-310 0–9 XXXall 10 · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 DALLAS TX
2012-03-27 469-282 0–9 XXXwhole prefix which blocks → SOUTHWESTERN BELL TELEPHONE COMPANY - TX 7726 IRVING TX
2012-03-02 469-308 0–9 XXXwhole prefix which blocks → LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 7516 LEWISVILLE TX
2012-02-24 469-304 0–9 XXXall 10 · 8 holders which blocks → PAETEC ITEL, LLC 829J PLANO TX
2012-02-23 469-301 0–9 XXXall 10 · 6 holders which blocks → PEERLESS NETWORK OF TEXAS, LLC - TX 177F MCKINNEY TX
2012-02-17 469-205 0–9 XXXwhole prefix which blocks → ONVOY, LLC - TX 903C DLFTWTARPT TX
2012-02-07 469-307 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2012-01-26 469-309 0–9 XXXall 10 · 5 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAXAHACHIE TX
2011-12-28 469-302 0–9 XXXwhole prefix which blocks → PAETEC ITEL, LLC 829J MCKINNEY TX
2011-11-22 469-270 0–9 XXXall 10 · 7 holders which blocks → FOREMOST TELECOMMUNICATIONS CORPORATION - TX 319D ALLEN TX
2011-11-17 469-269 0–9 XXXall 10 · 4 holders which blocks → GRANDE COMMUNICATIONS NETWORKS, INC. - TX 7670 FRISCO TX
2011-11-17 469-305 0–9 XXXall 10 · 5 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F FRISCO TX
2011-11-15 469-276 0–9 XXXall 10 · 4 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 IRVING TX
2011-11-07 469-267 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 ROCKWALL TX
2011-10-28 469-262 0–9 XXXall 10 · 3 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 IRVING TX
2011-10-17 469-251 0–9 XXXall 10 · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2011-10-06 469-213 0–9 XXXall 10 · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 FRISCO TX
2011-10-06 469-215 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2011-09-27 469-207 0–9 XXXall 10 · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 MCKINNEY TX
2011-09-23 469-216 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2011-09-23 469-260 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2011-09-21 469-203 0–9 XXXall 10 · 3 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 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.