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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Apr 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Block | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2022-04-27 | 661-518-7XXX | T-MOBILE USA, INC. | 6529 | TEHACHAPI | CA |
| 2022-04-27 | 747-342-9XXX | T-MOBILE USA, INC. | 6529 | LACRSCENTA | CA |
| 2022-04-27 | 808-743-4XXX | T-MOBILE USA, INC. | 6529 | WAILUKU | HI |
| 2022-04-27 | 808-743-5XXX | T-MOBILE USA, INC. | 6529 | WAILUKU | HI |
| 2022-04-27 | 808-743-6XXX | T-MOBILE USA, INC. | 6529 | WAILUKU | HI |
| 2022-04-27 | 840-677-9XXX | T-MOBILE USA, INC. | 6529 | ETIWANDA | CA |
| 2022-04-27 | 909-848-8XXX | T-MOBILE USA, INC. | 6529 | REDLANDS | CA |
| 2022-04-27 | 915-296-2XXX | T-MOBILE USA, INC. | 6529 | EL PASO | TX |
| 2022-04-27 | 915-297-6XXX | T-MOBILE USA, INC. | 6529 | EL PASO | TX |
| 2022-04-27 | 915-297-7XXX | T-MOBILE USA, INC. | 6529 | EL PASO | TX |
| 2022-04-27 | 920-808-1XXX | T-MOBILE USA, INC. | 6529 | OSHKOSH | WI |
| 2022-04-26 | 219-832-0XXX | T-MOBILE USA, INC. | 6529 | MICHIGANCY | IN |
| 2022-04-26 | 219-832-1XXX | T-MOBILE USA, INC. | 6529 | MICHIGANCY | IN |
| 2022-04-26 | 219-832-2XXX | T-MOBILE USA, INC. | 6529 | MICHIGANCY | IN |
| 2022-04-26 | 331-600-4XXX | T-MOBILE USA, INC. | 6529 | WHEATON | IL |
| 2022-04-26 | 331-600-5XXX | T-MOBILE USA, INC. | 6529 | WHEATON | IL |
| 2022-04-26 | 573-952-6XXX | T-MOBILE USA, INC. | 6529 | FLAT RIVER | MO |
| 2022-04-26 | 636-341-6XXX | T-MOBILE USA, INC. | 6529 | FSSCRSTLCY | MO |
| 2022-04-26 | 636-341-7XXX | T-MOBILE USA, INC. | 6529 | FSSCRSTLCY | MO |
| 2022-04-26 | 636-341-8XXX | T-MOBILE USA, INC. | 6529 | FSSCRSTLCY | MO |
| 2022-04-25 | 563-203-9XXX | T-MOBILE USA, INC. | 6529 | CRESCO | IA |
| 2022-04-25 | 563-400-6XXX | T-MOBILE USA, INC. | 6529 | CRESCO | IA |
| 2022-04-25 | 563-400-7XXX | T-MOBILE USA, INC. | 6529 | CRESCO | IA |
| 2022-04-25 | 657-585-9XXX | T-MOBILE USA, INC. | 6529 | SANTA ANA | CA |
| 2022-04-25 | 661-653-9XXX | T-MOBILE USA, INC. | 6529 | DELANO | CA |
| 2022-04-25 | 719-412-4XXX | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2022-04-25 | 719-412-5XXX | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2022-04-25 | 719-412-6XXX | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2022-04-25 | 719-412-7XXX | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2022-04-25 | 719-412-8XXX | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2022-04-25 | 719-412-9XXX | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2022-04-22 | 360-472-8XXX | T-MOBILE USA, INC. | 6529 | SAN JUAN | WA |
| 2022-04-22 | 480-876-0XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-1XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-2XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-3XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-4XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-5XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-6XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-7XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-8XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 480-876-9XXX | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2022-04-22 | 509-824-9XXX | T-MOBILE USA, INC. | 6529 | SPOKANE | WA |
| 2022-04-22 | 509-862-0XXX | T-MOBILE USA, INC. | 6529 | SPOKANE | WA |
| 2022-04-22 | 509-957-0XXX | T-MOBILE USA, INC. | 6529 | SPOKANE | WA |
| 2022-04-22 | 509-957-3XXX | T-MOBILE USA, INC. | 6529 | SPOKANE | WA |
| 2022-04-22 | 564-219-5XXX | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA |
| 2022-04-22 | 564-219-6XXX | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA |
| 2022-04-22 | 564-219-7XXX | T-MOBILE USA, INC. | 6529 | VANCOUVER | WA |
| 2022-04-22 | 564-676-8XXX | T-MOBILE USA, INC. | 6529 | OAK HARBOR | WA |
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.