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 |
|---|---|---|---|---|---|---|---|
| 2009-08-11 | 413-831-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | SOUTHWICK | MA |
| 2009-08-04 | 413-231-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SPRINGFLD | MA |
| 2009-08-04 | 413-231-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SPRINGFLD | MA |
| 2009-08-04 | 413-231-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SPRINGFLD | MA |
| 2009-08-04 | 413-241-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SPRINGFLD | MA |
| 2009-08-04 | 413-241-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SPRINGFLD | MA |
| 2009-08-03 | 413-438-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | WILBRAHAM | MA |
| 2009-08-03 | 413-685-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | HUNTINGTON | MA |
| 2009-07-24 | 413-437-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HOLYOKE | MA |
| 2009-07-24 | 413-437-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HOLYOKE | MA |
| 2009-07-24 | 413-770-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PITTSFIELD | MA |
| 2009-07-24 | 413-770-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PITTSFIELD | MA |
| 2009-07-09 | 413-342-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SPRINGFLD | MA |
| 2009-07-09 | 413-439-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SPRINGFLD | MA |
| 2009-07-09 | 413-504-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SPRINGFLD | MA |
| 2009-07-09 | 413-579-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | WESTFIELD | MA |
| 2009-07-09 | 413-726-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | SPRINGFLD | MA |
| 2009-07-07 | 413-342-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SPRINGFLD | MA |
| 2009-06-11 | 413-340-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - MA | 990E | WILLIAMSBG | MA |
| 2009-06-11 | 413-437-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | HOLYOKE | MA |
| 2009-06-09 | 413-342-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SPRINGFLD | MA |
| 2009-06-09 | 413-342-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SPRINGFLD | MA |
| 2009-06-09 | 413-342-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SPRINGFLD | MA |
| 2009-06-04 | 413-461-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AMHERST | MA |
| 2009-06-04 | 413-923-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NORTHAMPTN | MA |
| 2009-06-02 | 413-588-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | NORTHAMPTN | MA |
| 2009-05-18 | 413-350-6XXX | 6000–6999 | Assigned | TC SYSTEMS, INC. | 7135 | SO DEERFLD | MA |
| 2009-05-11 | 413-345-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | AMHERST | MA |
| 2009-05-05 | 413-579-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | WESTFIELD | MA |
| 2009-04-30 | 413-285-1XXX | 1000–1999 | Assigned | RINGSQUARED TELECOM LLC | 311D | SPRINGFLD | MA |
| 2009-04-09 | 413-336-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AMHRSTFKLN | MA |
| 2009-04-09 | 413-336-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | AMHRSTFKLN | MA |
| 2009-03-16 | 413-475-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | GREENFIELD | MA |
| 2009-03-16 | 413-561-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HOLYOKE | MA |
| 2009-03-13 | 413-557-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CHICOPEE | MA |
| 2009-03-10 | 413-512-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | GREENFIELD | MA |
| 2009-03-10 | 413-629-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PITTSFIELD | MA |
| 2009-03-10 | 413-770-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | PITTSFIELD | MA |
| 2009-03-06 | 413-437-5XXX | 5000–5999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | HOLYOKE | MA |
| 2009-03-03 | 413-223-4XXX | 4000–4999 | Assigned | RINGSQUARED TELECOM LLC | 3849 | GREENFIELD | MA |
| 2009-03-03 | 413-662-8XXX | 8000–8999 | Assigned | RINGSQUARED TELECOM LLC | 3849 | NORTHADAMS | MA |
| 2009-03-03 | 413-884-8XXX | 8000–8999 | Assigned | RINGSQUARED TELECOM LLC | 3849 | WILLIAMSTN | MA |
| 2009-02-27 | 413-579-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | WESTFIELD | MA |
| 2009-02-20 | 413-342-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | SPRINGFLD | MA |
| 2009-02-20 | 413-486-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | ELONGMEDOW | MA |
| 2009-02-20 | 413-642-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | WESTFIELD | MA |
| 2009-02-19 | 413-654-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SPRINGFLD | MA |
| 2009-02-19 | 413-654-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SPRINGFLD | MA |
| 2009-02-19 | 413-654-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SPRINGFLD | MA |
| 2009-02-19 | 413-654-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SPRINGFLD | 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.