NumberResearchRecent thousands-block assignments
76 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/18/2026
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 |
|---|---|---|---|---|---|
| 2003-05-28 | 619-554-4XXX | T-MOBILE USA, INC. | 6529 | CORONADO | CA |
| 2003-05-28 | 619-554-6XXX | T-MOBILE USA, INC. | 6529 | CORONADO | CA |
| 2003-05-28 | 619-739-6XXX | T-MOBILE USA, INC. | 6529 | CHULAVISTA | CA |
| 2003-05-28 | 626-261-5XXX | T-MOBILE USA, INC. | 6529 | COVINA | CA |
| 2003-05-28 | 626-261-6XXX | T-MOBILE USA, INC. | 6529 | COVINA | CA |
| 2003-05-28 | 626-261-8XXX | T-MOBILE USA, INC. | 6529 | COVINA | CA |
| 2003-05-28 | 630-300-8XXX | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2003-05-28 | 630-364-8XXX | T-MOBILE USA, INC. | 6529 | NAPERVILLE | IL |
| 2003-05-28 | 702-289-0XXX | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2003-05-28 | 702-289-1XXX | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2003-05-28 | 702-289-2XXX | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2003-05-28 | 702-289-3XXX | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2003-05-28 | 702-289-5XXX | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2003-05-28 | 702-289-6XXX | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2003-05-28 | 702-289-7XXX | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2003-05-28 | 773-627-8XXX | T-MOBILE USA, INC. | 6529 | CHICGOZN08 | IL |
| 2003-05-28 | 847-354-0XXX | T-MOBILE USA, INC. | 6529 | ELK GROVE | IL |
| 2003-05-28 | 847-354-1XXX | T-MOBILE USA, INC. | 6529 | ELK GROVE | IL |
| 2003-05-28 | 847-354-2XXX | T-MOBILE USA, INC. | 6529 | ELK GROVE | IL |
| 2003-05-28 | 951-296-4XXX | T-MOBILE USA, INC. | 6529 | TEMECULA | CA |
| 2003-05-28 | 951-326-4XXX | T-MOBILE USA, INC. | 6529 | TEMECULA | CA |
| 2003-05-28 | 951-326-5XXX | T-MOBILE USA, INC. | 6529 | TEMECULA | CA |
| 2003-05-28 | 951-326-7XXX | T-MOBILE USA, INC. | 6529 | TEMECULA | CA |
| 2003-05-28 | 951-375-0XXX | T-MOBILE USA, INC. | 6529 | TEMECULA | CA |
| 2003-05-28 | 951-541-5XXX | T-MOBILE USA, INC. | 6529 | TEMECULA | CA |
| 2003-05-23 | 310-597-3XXX | T-MOBILE USA, INC. | 6529 | W ANGELES | CA |
| 2003-05-23 | 310-597-5XXX | T-MOBILE USA, INC. | 6529 | W ANGELES | CA |
| 2003-05-23 | 310-597-6XXX | T-MOBILE USA, INC. | 6529 | W ANGELES | CA |
| 2003-05-23 | 310-597-7XXX | T-MOBILE USA, INC. | 6529 | W ANGELES | CA |
| 2003-05-23 | 310-597-8XXX | T-MOBILE USA, INC. | 6529 | W ANGELES | CA |
| 2003-05-23 | 562-318-4XXX | T-MOBILE USA, INC. | 6529 | WHITTIER | CA |
| 2003-05-23 | 562-318-5XXX | T-MOBILE USA, INC. | 6529 | WHITTIER | CA |
| 2003-05-23 | 562-318-6XXX | T-MOBILE USA, INC. | 6529 | WHITTIER | CA |
| 2003-05-23 | 562-318-7XXX | T-MOBILE USA, INC. | 6529 | WHITTIER | CA |
| 2003-05-23 | 714-362-7XXX | T-MOBILE USA, INC. | 6529 | HUNTITNBCH | CA |
| 2003-05-23 | 714-369-0XXX | T-MOBILE USA, INC. | 6529 | HUNTITNBCH | CA |
| 2003-05-23 | 714-369-3XXX | T-MOBILE USA, INC. | 6529 | HUNTITNBCH | CA |
| 2003-05-22 | 909-297-0XXX | T-MOBILE USA, INC. | 6529 | UPLAND | CA |
| 2003-05-22 | 951-436-6XXX | T-MOBILE USA, INC. | 6529 | PERRIS | CA |
| 2003-05-22 | 951-667-0XXX | T-MOBILE USA, INC. | 6529 | TEMSCL CNY | CA |
| 2003-05-20 | 636-236-2XXX | T-MOBILE USA, INC. | 6529 | CHESTERFLD | MO |
| 2003-05-20 | 760-235-9XXX | T-MOBILE USA, INC. | 6529 | EL CENTRO | CA |
| 2003-05-20 | 808-428-0XXX | T-MOBILE USA, INC. | 6529 | HONOLULU | HI |
| 2003-05-20 | 808-428-1XXX | T-MOBILE USA, INC. | 6529 | HONOLULU | HI |
| 2003-05-20 | 808-428-3XXX | T-MOBILE USA, INC. | 6529 | HONOLULU | HI |
| 2003-05-20 | 808-428-4XXX | T-MOBILE USA, INC. | 6529 | HONOLULU | HI |
| 2003-05-19 | 310-894-2XXX | T-MOBILE USA, INC. | 6529 | CMTN CMTN | CA |
| 2003-05-19 | 503-473-1XXX | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
| 2003-05-19 | 503-473-2XXX | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
| 2003-05-19 | 503-473-3XXX | T-MOBILE USA, INC. | 6529 | PORTLAND | OR |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.