Recent prefix assignments
334 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/28/2026
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.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2019-09-20 | 409-529 | 1XXX3XXX4XXX5XXX6XXX9XXX · 2 holders which blocks → | FRACTEL, LLC | 965H | BEAUMONT | TX |
| 2019-09-20 | 438-337 | not yet reported which blocks → | Bell Mobility | 6574 | Montreal | — |
| 2019-09-20 | 647-446 | not yet reported which blocks → | Bell Mobility | 6574 | Toronto | — |
| 2019-09-20 | 657-396 | 0–9 XXXwhole prefix which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2019-09-20 | 681-316 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 4 holders which blocks → | FRACTEL, LLC | 965H | BURNSVILLE | WV |
| 2019-09-20 | 681-516 | 0XXX1XXX2XXX5XXX8XXX9XXX · 5 holders which blocks → | FRACTEL, LLC | 965H | GAULEY BDG | WV |
| 2019-09-20 | 681-687 | 0–9 XXXall 10 · 8 holders which blocks → | FRACTEL, LLC | 965H | HNTNGTNZN2 | WV |
| 2019-09-20 | 681-716 | 0XXX1XXX2XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | FRACTEL, LLC | 965H | CRAIGSVL | WV |
| 2019-09-20 | 681-732 | 0XXX1XXX2XXX3XXX4XXX5XXX · 4 holders which blocks → | FRACTEL, LLC | 965H | HELEN | WV |
| 2019-09-20 | 681-916 | 2XXX5XXX6XXX8XXX · 3 holders which blocks → | FRACTEL, LLC | 965H | EAST LYNN | WV |
| 2019-09-20 | 682-297 | 0–9 XXXall 10 · 3 holders which blocks → | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX |
| 2019-09-20 | 682-354 | 0–9 XXXall 10 · 2 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7148 | FORT WORTH | TX |
| 2019-09-20 | 737-259 | 0–9 XXXall 10 · 4 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | HUTTO | TX |
| 2019-09-20 | 825-456 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2019-09-20 | 979-356 | 0–9 XXXall 10 · 4 holders which blocks → | FRACTEL, LLC | 965H | SCHULENBG | TX |
| 2019-09-19 | 236-766 | not yet reported which blocks → | TELUS | 8086 | Kelowna | — |
| 2019-09-19 | 308-661 | 0XXX1XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | VONAGE AMERICA LLC | 197D | GRAND IS | NE |
| 2019-09-19 | 431-275 | not yet reported which blocks → | Bell Mobility | 6574 | Winnipeg | — |
| 2019-09-19 | 438-336 | not yet reported which blocks → | Bell Mobility | 6574 | Montreal | — |
| 2019-09-19 | 438-431 | not yet reported which blocks → | Bell Mobility | 6574 | Montreal | — |
| 2019-09-19 | 647-445 | not yet reported which blocks → | Bell Mobility | 6574 | Toronto | — |
| 2019-09-19 | 647-603 | not yet reported which blocks → | Bell Mobility | 6574 | Toronto | — |
| 2019-09-19 | 681-273 | 0–9 XXXall 10 · 3 holders which blocks → | EXIANT COMMUNICATIONS LLC | 114J | CHRLSTNZN1 | WV |
| 2019-09-19 | 825-909 | not yet reported which blocks → | TELUS | 8084 | Canmore | — |
| 2019-09-19 | 939-302 | 0–9 XXXwhole prefix which blocks → | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | BAYAMONNOR | PR |
| 2019-09-19 | 939-304 | 0–9 XXXwhole prefix which blocks → | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | BAYAMONNOR | PR |
| 2019-09-18 | 254-365 | not yet reported which blocks → | SHELCOMM | 0051 | CARBON | TX |
| 2019-09-18 | 254-367 | not yet reported which blocks → | SHELCOMM | 0051 | CISCO | TX |
| 2019-09-18 | 332-456 | 0–9 XXXwhole prefix which blocks → | ONVOY, LLC- NY | 384C | NWYRCYZN01 | NY |
| 2019-09-18 | 346-396 | 0–9 XXXall 10 · 2 holders which blocks → | PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | HOUSTON | TX |
| 2019-09-18 | 365-898 | not yet reported which blocks → | Rogers Communications Canada Inc. (Cable) | 743B | Oakville | — |
| 2019-09-18 | 434-597 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | ONVOY, LLC - VA | 138E | STONYCREEK | VA |
| 2019-09-18 | 458-240 | 0–9 XXXall 10 · 5 holders which blocks → | EXIANT COMMUNICATIONS LLC | 114J | EUGENE | OR |
| 2019-09-18 | 469-705 | 0–9 XXXwhole prefix which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRANDPRARI | TX |
| 2019-09-18 | 469-710 | not yet reported which blocks → | SHELCOMM | 0051 | PLANO | TX |
| 2019-09-18 | 480-660 | 0–9 XXXall 10 · 3 holders which blocks → | EXIANT COMMUNICATIONS LLC | 114J | PHOENIX | AZ |
| 2019-09-18 | 501-381 | 0–9 XXXall 10 · 3 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR | 6805 | BENTON | AR |
| 2019-09-18 | 509-418 | 0–9 XXXall 10 · 7 holders which blocks → | EXIANT COMMUNICATIONS LLC | 114J | SPOKANE | WA |
| 2019-09-18 | 559-710 | 0–9 XXXall 10 · 5 holders which blocks → | ONVOY SPECTRUM, LLC | 624H | FRESNO | CA |
| 2019-09-18 | 574-346 | 0–9 XXXall 10 · 2 holders which blocks → | PEERLESS NETWORK OF INDIANA, LLC - IN | 279F | ELKHART | IN |
| 2019-09-18 | 605-650 | 0–9 XXXall 10 · 4 holders which blocks → | EXIANT COMMUNICATIONS LLC | 114J | SIOUX FLS | SD |
| 2019-09-18 | 639-550 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Moose Jaw | — |
| 2019-09-18 | 639-558 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Moose Jaw | — |
| 2019-09-18 | 639-855 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Moose Jaw | — |
| 2019-09-18 | 667-272 | 0–9 XXXall 10 · 5 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WESTMINSTR | MD |
| 2019-09-18 | 682-293 | not yet reported which blocks → | SHELCOMM | 0051 | ARLINGTON | TX |
| 2019-09-18 | 682-296 | not yet reported which blocks → | SHELCOMM | 0051 | GRANDVIEW | TX |
| 2019-09-18 | 712-591 | 0XXX1XXX2XXX3XXX5XXX7XXX8XXX9XXX · 6 holders which blocks → | QWEST CORPORATION | 9631 | HAMBURG | IA |
| 2019-09-18 | 725-227 | 0–9 XXXall 10 · 4 holders which blocks → | EXIANT COMMUNICATIONS LLC | 114J | LAS VEGAS | NV |
| 2019-09-18 | 775-446 | 0–9 XXXall 10 · 3 holders which blocks → | EXIANT COMMUNICATIONS LLC | 114J | RENO | NV |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/28/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.