NumberResearchRecent thousands-block assignments
76 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, last 30 days
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Block | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2005-10-28 | 815-209-3XXX | T-MOBILE USA, INC. | 6529 | ROCKFORD | IL |
| 2005-10-28 | 818-793-7XXX | T-MOBILE USA, INC. | 6529 | VAN NUYS | CA |
| 2005-10-28 | 915-288-0XXX | T-MOBILE USA, INC. | 6529 | CLINT | TX |
| 2005-10-28 | 915-288-1XXX | T-MOBILE USA, INC. | 6529 | CLINT | TX |
| 2005-10-28 | 951-796-5XXX | T-MOBILE USA, INC. | 6529 | PERRIS | CA |
| 2005-10-28 | 972-302-3XXX | T-MOBILE USA, INC. | 6529 | MCKINNEY | TX |
| 2005-10-28 | 972-302-8XXX | T-MOBILE USA, INC. | 6529 | MCKINNEY | TX |
| 2005-10-27 | 661-202-4XXX | T-MOBILE USA, INC. | 6529 | PLDL PLDL | CA |
| 2005-10-27 | 818-493-0XXX | T-MOBILE USA, INC. | 6529 | SNFN SNFN | CA |
| 2005-10-26 | 619-315-8XXX | T-MOBILE USA, INC. | 6529 | LA MESA | CA |
| 2005-10-26 | 815-295-6XXX | T-MOBILE USA, INC. | 6529 | KANKAKEE | IL |
| 2005-10-26 | 970-324-7XXX | T-MOBILE USA, INC. | 6529 | GREELEY | CO |
| 2005-10-25 | 773-563-0XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-1XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-2XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-3XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-4XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-5XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-6XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-7XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-8XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 773-563-9XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN10 | IL |
| 2005-10-25 | 775-217-3XXX | T-MOBILE USA, INC. | 6529 | FALLON | NV |
| 2005-10-24 | 503-841-0XXX | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
| 2005-10-24 | 503-841-1XXX | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
| 2005-10-24 | 503-841-2XXX | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
| 2005-10-24 | 503-841-3XXX | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
| 2005-10-24 | 503-841-9XXX | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
| 2005-10-24 | 503-857-8XXX | T-MOBILE USA, INC. | 6529 | MCMINNVL | OR |
| 2005-10-24 | 509-305-6XXX | T-MOBILE USA, INC. | 6529 | SUNNYSIDE | WA |
| 2005-10-24 | 608-210-9XXX | T-MOBILE USA, INC. | 6529 | MADISON | WI |
| 2005-10-24 | 760-780-3XXX | T-MOBILE USA, INC. | 6529 | VICTORVL | CA |
| 2005-10-24 | 808-557-2XXX | T-MOBILE USA, INC. | 6529 | HILO | HI |
| 2005-10-24 | 808-557-3XXX | T-MOBILE USA, INC. | 6529 | HILO | HI |
| 2005-10-21 | 325-356-6XXX | T-MOBILE USA, INC. | 6529 | COMANCHE | TX |
| 2005-10-21 | 773-250-4XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN02 | IL |
| 2005-10-21 | 909-634-0XXX | T-MOBILE USA, INC. | 6529 | POMONA | CA |
| 2005-10-20 | 206-330-4XXX | T-MOBILE USA, INC. | 6529 | SEATTLE | WA |
| 2005-10-20 | 219-242-6XXX | T-MOBILE USA, INC. | 6529 | VALPARAISO | IN |
| 2005-10-20 | 253-439-9XXX | T-MOBILE USA, INC. | 6529 | TACOMA | WA |
| 2005-10-20 | 559-202-5XXX | T-MOBILE USA, INC. | 6529 | PORTERVL | CA |
| 2005-10-20 | 626-205-8XXX | T-MOBILE USA, INC. | 6529 | MONROVIA | CA |
| 2005-10-20 | 630-401-1XXX | T-MOBILE USA, INC. | 6529 | AURORA | IL |
| 2005-10-20 | 630-809-0XXX | T-MOBILE USA, INC. | 6529 | AURORA | IL |
| 2005-10-20 | 818-238-7XXX | T-MOBILE USA, INC. | 6529 | BRBN BRBN | CA |
| 2005-10-20 | 818-534-6XXX | T-MOBILE USA, INC. | 6529 | NORTHRIDGE | CA |
| 2005-10-20 | 818-742-8XXX | T-MOBILE USA, INC. | 6529 | VAN NUYS | CA |
| 2005-10-20 | 859-957-3XXX | T-MOBILE USA, INC. | 6529 | COVINGTON | KY |
| 2005-10-19 | 224-388-1XXX | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2005-10-19 | 224-388-9XXX | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.