NumberResearchRecent thousands-block assignments
14 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
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 — NPA 413
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2022-01-04 | 413-500-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | MONROE BDG | MA |
| 2022-01-04 | 413-603-7XXX | 7000–7999 | Assigned | ONVOY SPECTRUM, LLC | 624H | NORTHADAMS | MA |
| 2022-01-04 | 413-631-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LUDLOW | MA |
| 2022-01-04 | 413-631-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LUDLOW | MA |
| 2021-12-30 | 413-641-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GREENFIELD | MA |
| 2021-12-29 | 413-393-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WESTFIELD | MA |
| 2021-12-29 | 413-435-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CHICOPEE | MA |
| 2021-12-29 | 413-468-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AMHERST | MA |
| 2021-12-29 | 413-469-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AMHRSTFKLN | MA |
| 2021-12-29 | 413-469-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AMHRSTFKLN | MA |
| 2021-12-28 | 413-769-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PITTSFIELD | MA |
| 2021-12-28 | 413-769-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PITTSFIELD | MA |
| 2021-12-20 | 413-807-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | PALMER | MA |
| 2021-12-20 | 413-807-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | PALMER | MA |
| 2021-12-17 | 413-807-1XXX | 1000–1999 | Assigned | BOOST SUBSCRIBERCO L.L.C. | 490J | PALMER | MA |
| 2021-12-15 | 413-771-4XXX | 4000–4999 | Assigned | ONVOY, LLC - MA | 892D | BLANDFORD | MA |
| 2021-12-10 | 413-463-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SPRINGFLD | MA |
| 2021-12-10 | 413-466-9XXX | 9000–9999 | Assigned | BOOST SUBSCRIBERCO L.L.C. | 490J | HOLYOKE | MA |
| 2021-12-09 | 413-616-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | OTIS | MA |
| 2021-12-03 | 413-395-2XXX | 2000–2999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | PITTSFIELD | MA |
| 2021-12-03 | 413-395-3XXX | 3000–3999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | PITTSFIELD | MA |
| 2021-12-03 | 413-759-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | ELONGMEDOW | MA |
| 2021-12-01 | 413-278-4XXX | 4000–4999 | Assigned | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | SPRINGFLD | MA |
| 2021-12-01 | 413-430-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | HOLYOKE | MA |
| 2021-12-01 | 413-435-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CHICOPEE | MA |
| 2021-12-01 | 413-435-1XXX | 1000–1999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CHICOPEE | MA |
| 2021-12-01 | 413-435-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CHICOPEE | MA |
| 2021-11-22 | 413-462-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | SANDISFLD | MA |
| 2021-11-22 | 413-624-2XXX | 2000–2999 | Assigned | ONVOY, LLC - MA | 892D | COLRAIN | MA |
| 2021-11-11 | 413-321-6XXX | 6000–6999 | Assigned | ONVOY SPECTRUM, LLC | 624H | WARE | MA |
| 2021-11-11 | 413-408-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | EASTHAMPTN | MA |
| 2021-11-11 | 413-408-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | EASTHAMPTN | MA |
| 2021-11-11 | 413-807-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PALMER | MA |
| 2021-11-11 | 413-807-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | PALMER | MA |
| 2021-11-09 | 413-456-6XXX | 6000–6999 | Assigned | ONVOY, LLC - MA | 892D | SOUTHWICK | MA |
| 2021-11-09 | 413-456-7XXX | 7000–7999 | Assigned | ONVOY, LLC - MA | 892D | SOUTHWICK | MA |
| 2021-11-08 | 413-343-7XXX | 7000–7999 | Assigned | ONVOY, LLC - MA | 892D | CHESTER | MA |
| 2021-11-08 | 413-465-2XXX | 2000–2999 | Assigned | ONVOY, LLC - MA | 892D | HATFIELD | MA |
| 2021-11-08 | 413-481-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | BRIMFIELD | MA |
| 2021-11-08 | 413-551-5XXX | 5000–5999 | Assigned | ONVOY, LLC - MA | 892D | LENOX | MA |
| 2021-11-05 | 413-613-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | DALTON | MA |
| 2021-11-05 | 413-645-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | GREATBNGTN | MA |
| 2021-11-05 | 413-754-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | LONGMEADOW | MA |
| 2021-10-27 | 413-385-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | LUDLOW | MA |
| 2021-10-27 | 413-385-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | LUDLOW | MA |
| 2021-10-27 | 413-450-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | AMHERST | MA |
| 2021-10-27 | 413-450-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | AMHERST | MA |
| 2021-10-27 | 413-828-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | GREENFIELD | MA |
| 2021-10-27 | 413-828-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | GREENFIELD | MA |
| 2021-10-25 | 413-828-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | GREENFIELD | MA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.