NumberResearchRecent thousands-block assignments
1 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026
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 209
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 |
|---|---|---|---|---|---|---|---|
| 2015-03-04 | 209-425-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | STOCKTON | CA |
| 2015-03-03 | 209-779-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | HUGHSON | CA |
| 2015-03-02 | 209-949-4XXX | 4000–4999 | Assigned | UTILITY TELECOM GROUP, LLC - CA | 9262 | STOCKTON | CA |
| 2015-03-02 | 209-949-5XXX | 5000–5999 | Assigned | UTILITY TELECOM GROUP, LLC - CA | 9262 | STOCKTON | CA |
| 2015-03-02 | 209-949-6XXX | 6000–6999 | Assigned | UTILITY TELECOM GROUP, LLC - CA | 9262 | STOCKTON | CA |
| 2015-03-02 | 209-949-7XXX | 7000–7999 | Assigned | UTILITY TELECOM GROUP, LLC - CA | 9262 | STOCKTON | CA |
| 2015-03-02 | 209-949-8XXX | 8000–8999 | Assigned | UTILITY TELECOM GROUP, LLC - CA | 9262 | STOCKTON | CA |
| 2015-03-02 | 209-949-9XXX | 9000–9999 | Assigned | UTILITY TELECOM GROUP, LLC - CA | 9262 | STOCKTON | CA |
| 2015-02-27 | 209-289-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MODESTO | CA |
| 2015-02-27 | 209-289-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MODESTO | CA |
| 2015-02-27 | 209-900-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MODESTO | CA |
| 2015-02-24 | 209-421-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | MERCED | CA |
| 2015-02-24 | 209-421-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | MERCED | CA |
| 2015-02-24 | 209-421-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | MERCED | CA |
| 2015-02-19 | 209-395-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | STOCKTON | CA |
| 2015-02-19 | 209-395-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | STOCKTON | CA |
| 2015-02-19 | 209-395-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | STOCKTON | CA |
| 2015-02-19 | 209-841-3XXX | 3000–3999 | Assigned | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | OAKDALE | CA |
| 2015-02-19 | 209-851-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | STOCKTON | CA |
| 2015-02-12 | 209-289-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | MODESTO | CA |
| 2015-02-12 | 209-289-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | MODESTO | CA |
| 2015-02-12 | 209-289-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | MODESTO | CA |
| 2015-02-12 | 209-328-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | MANTECA | CA |
| 2015-02-11 | 209-421-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | MERCED | CA |
| 2015-02-11 | 209-421-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | MERCED | CA |
| 2015-02-11 | 209-421-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | MERCED | CA |
| 2015-02-11 | 209-421-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | MERCED | CA |
| 2015-02-11 | 209-421-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | MERCED | CA |
| 2015-02-10 | 209-326-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | ATWATER | CA |
| 2015-02-09 | 209-737-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | LOS BANOS | CA |
| 2015-02-03 | 209-289-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | MODESTO | CA |
| 2015-02-03 | 209-328-2XXX | 2000–2999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | MANTECA | CA |
| 2015-02-03 | 209-421-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | MERCED | CA |
| 2015-02-03 | 209-850-4XXX | 4000–4999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | TURLOCK | CA |
| 2015-01-29 | 209-426-4XXX | 4000–4999 | Assigned | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | LODI | CA |
| 2015-01-23 | 209-714-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7128 | SUTTER CRK | CA |
| 2015-01-20 | 209-421-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | MERCED | CA |
| 2015-01-19 | 209-289-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MODESTO | CA |
| 2015-01-19 | 209-289-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | MODESTO | CA |
| 2015-01-19 | 209-317-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | COULTERVL | CA |
| 2015-01-19 | 209-442-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | WTFR MAIN | CA |
| 2015-01-14 | 209-347-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MARIPOSA | CA |
| 2014-12-23 | 209-328-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | MANTECA | CA |
| 2014-12-23 | 209-328-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | MANTECA | CA |
| 2014-12-16 | 209-759-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | CLEMENTS | CA |
| 2014-12-16 | 209-886-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | FARMINGTON | CA |
| 2014-12-16 | 209-887-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | LINDEN | CA |
| 2014-12-15 | 209-822-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CA | 981E | ANGELSCAMP | CA |
| 2014-12-15 | 209-895-2XXX | 2000–2999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | PATTERSON | CA |
| 2014-12-11 | 209-284-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | MODESTO | CA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.