NumberResearchRecent thousands-block assignments
2,989 blocks assigned in September 2026 · 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, September 2026
New assignments by month
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| Assigned | Block | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-09-17 | 203-660-2XXX | ONVOY, LLC - CT | 639C | BYRAM | CT |
| 2026-09-17 | 205-284-4XXX | ONVOY, LLC - AL | 604E | COLUMBIANA | AL |
| 2026-09-17 | 205-341-2XXX | ONVOY, LLC - AL | 604E | DORA | AL |
| 2026-09-17 | 207-308-0XXX | BELL ATLANTIC MOBILE, INC | 6386 | BELGRADE | ME |
| 2026-09-17 | 207-421-1XXX | BELL ATLANTIC MOBILE, INC | 6386 | WINTERPORT | ME |
| 2026-09-17 | 207-547-5XXX | BELL ATLANTIC MOBILE, INC | 6386 | SIDNEY | ME |
| 2026-09-17 | 207-638-8XXX | BELL ATLANTIC MOBILE, INC | 6386 | BEDDINGTON | ME |
| 2026-09-17 | 207-679-8XXX | BELL ATLANTIC MOBILE, INC | 6386 | PITTSFIELD | ME |
| 2026-09-17 | 207-684-6XXX | BELL ATLANTIC MOBILE, INC | 6386 | STRONG | ME |
| 2026-09-17 | 207-923-2XXX | BELL ATLANTIC MOBILE, INC | 6386 | E VASSALBO | ME |
| 2026-09-17 | 217-200-8XXX | ONVOY, LLC | 224C | CHAMPAURBN | IL |
| 2026-09-17 | 217-937-8XXX | ONVOY, LLC | 224C | CLINTON | IL |
| 2026-09-17 | 225-524-2XXX | ONVOY, LLC - LA | 749E | CLINTON | LA |
| 2026-09-17 | 225-557-0XXX | ONVOY, LLC - LA | 749E | ALBANY | LA |
| 2026-09-17 | 225-580-8XXX | ONVOY, LLC - LA | 749E | BATONROUGE | LA |
| 2026-09-17 | 229-825-2XXX | ONVOY, LLC - GA | 067D | CAMILLA | GA |
| 2026-09-17 | 239-536-2XXX | BANDWIDTH.COM CLEC, LLC - FL | 982E | NAPLES | FL |
| 2026-09-17 | 251-453-5XXX | ONVOY, LLC - AL | 604E | CITRONELLE | AL |
| 2026-09-17 | 251-482-2XXX | ONVOY, LLC - AL | 604E | BAYMINETTE | AL |
| 2026-09-17 | 260-339-5XXX | ONVOY, LLC - IN | 097D | DECATUR | IN |
| 2026-09-17 | 260-384-1XXX | ONVOY, LLC - IN | 097D | COLUMBIACY | IN |
| 2026-09-17 | 260-616-4XXX | ONVOY, LLC - IN | 097D | ARCOLA | IN |
| 2026-09-17 | 260-827-9XXX | ONVOY, LLC - IN | 097D | BLUFFTON | IN |
| 2026-09-17 | 260-905-5XXX | ONVOY, LLC - IN | 097D | ANGOLA | IN |
| 2026-09-17 | 262-454-7XXX | INTRADO COMMUNICATIONS, LLC | 843C | MILWAUKZN2 | WI |
| 2026-09-17 | 262-481-0XXX | ONVOY, LLC - WI | 225C | BRISTOL | WI |
| 2026-09-17 | 262-526-6XXX | INTRADO COMMUNICATIONS, LLC | 843C | WAUKESHA | WI |
| 2026-09-17 | 262-839-1XXX | ONVOY, LLC - WI | 225C | BURLINGTON | WI |
| 2026-09-17 | 272-232-8XXX | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALTON | PA |
| 2026-09-17 | 272-252-4XXX | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LORDS VLY | PA |
| 2026-09-17 | 272-349-4XXX | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MONTROSE | PA |
| 2026-09-17 | 272-352-3XXX | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HALLSTEAD | PA |
| 2026-09-17 | 272-355-4XXX | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | POCONOLAKE | PA |
| 2026-09-17 | 272-356-4XXX | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SHICKSHINY | PA |
| 2026-09-17 | 272-392-3XXX | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TRUCKSVL | PA |
| 2026-09-17 | 272-837-3XXX | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TROY | PA |
| 2026-09-17 | 274-215-5XXX | ONVOY, LLC - WI | 225C | DENMARK | WI |
| 2026-09-17 | 276-215-1XXX | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | INDEPNDNCE | VA |
| 2026-09-17 | 276-215-2XXX | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | INDEPNDNCE | VA |
| 2026-09-17 | 276-215-3XXX | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | INDEPNDNCE | VA |
| 2026-09-17 | 276-338-3XXX | ONVOY, LLC - VA | 138E | COEBURN | VA |
| 2026-09-17 | 276-343-9XXX | ONVOY, LLC - VA | 138E | BIGSTONEGP | VA |
| 2026-09-17 | 276-658-3XXX | ONVOY, LLC - VA | 138E | BASSETT | VA |
| 2026-09-17 | 279-294-2XXX | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2026-09-17 | 279-294-7XXX | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2026-09-17 | 279-294-8XXX | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2026-09-17 | 279-880-2XXX | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2026-09-17 | 279-880-3XXX | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2026-09-17 | 279-880-4XXX | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
| 2026-09-17 | 279-880-5XXX | T-MOBILE USA, INC. | 6529 | SCRM MAIN | CA |
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.