NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

SALINAS prefixes in area code 831

NANPA records 84 assigned NXX blocks to rate center SALINAS in area code 831, 20.7% of the 406 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 26 holders hold those blocks, the largest being PACIFIC BELL (24), NEW CINGULAR WIRELESS PCS, LLC (13), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (9). The earliest assignment on record here is 2001-03-09 and the most recent 2026-09-03. 58 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 408, 787, 939 – overlay codes cover the same geography, so a rate center is served by all of them.

84 assigned blocks – 20.7% of 831
26 holders of record
58 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
831-202 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2018-03-30 yes yes
831-203 NUSO, LLC 2023-08-10 yes yes
831-206 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
831-208 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2019-03-20 yes yes
831-210 T-Mobile T-MOBILE USA, INC. 2002-01-16 yes yes
831-214 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
831-225 Lumen CENTURYLINK COMMUNICATIONS, LLC 2015-06-23 yes yes
831-229 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
831-235 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
831-240 T-Mobile T-MOBILE USA, INC. – yes yes
831-243 CSC WIRELESS, LLC 2020-06-29 yes yes
831-253 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2020-12-04 yes yes
831-256 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2015-04-10 yes yes
831-258 AT&T NEW CINGULAR WIRELESS PCS, LLC 2016-07-08 yes yes
831-261 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
831-262 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
831-269 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA 2007-06-21 yes yes
831-270 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2022-06-10 yes yes
831-272 Onvoy ONVOY, LLC - CA – yes yes
831-273 Onvoy ONVOY, LLC - CA 2017-04-06 yes yes
831-276 Telnyx TELNYX LLC – yes yes
831-279 Dish BOOST SUBSCRIBERCO L.L.C. 2023-05-10 yes yes
831-287 Bandwidth BANDWIDTH.COM CLEC, LLC - CA 2008-12-16 yes yes
831-294 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-03-25 yes yes
831-296 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2010-07-12 yes yes
831-320 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
831-321 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-12-06 yes yes
831-326 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-12-06 yes yes
831-328 Onvoy ONVOY, LLC - CA 2025-03-13 yes yes
831-329 NUSO, LLC 2025-04-21 yes yes
831-343 Onvoy ONVOY, LLC - CA 2026-09-03 yes no
831-356 FRACTEL, LLC 2019-12-02 yes yes
831-417 Onvoy ONVOY, LLC - CA – yes yes
831-422 AT&T PACIFIC BELL – no yes
831-424 AT&T PACIFIC BELL – no yes
831-442 AT&T PACIFIC BELL – yes yes
831-443 AT&T PACIFIC BELL – no yes
831-444 AT&T PACIFIC BELL – yes yes
831-449 AT&T PACIFIC BELL – no yes
831-455 AT&T PACIFIC BELL – yes yes
831-484 AT&T PACIFIC BELL – yes yes
831-500 T-Mobile METROPCS, INC. – yes yes
831-512 T-Mobile T-MOBILE USA, INC. – yes yes
831-540 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – yes yes
831-578 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
831-585 T-Mobile METROPCS, INC. 2005-02-18 yes yes
831-594 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
831-595 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
831-596 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
831-597 Peerless PEERLESS NETWORK OF CALIFORNIA, LLC - CA – yes yes
831-663 AT&T PACIFIC BELL – yes yes
831-676 AT&T AT&T - LOCAL 2002-08-30 yes yes
831-682 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2001-03-09 no yes
831-710 AT&T NEW CINGULAR WIRELESS PCS, LLC 2002-04-12 yes yes
831-737 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2006-03-28 yes yes
831-751 AT&T PACIFIC BELL – no yes
831-753 AT&T PACIFIC BELL – no yes
831-754 AT&T PACIFIC BELL – no yes
831-755 AT&T PACIFIC BELL – no yes
831-756 UTILITY TELECOM GROUP, LLC - CA 2005-09-12 yes yes
831-757 AT&T PACIFIC BELL – no yes
831-758 AT&T PACIFIC BELL – no yes
831-759 AT&T PACIFIC BELL – no yes
831-769 AT&T PACIFIC BELL – yes yes
831-770 AT&T PACIFIC BELL – yes yes
831-771 AT&T PACIFIC BELL – no yes
831-772 AT&T PACIFIC BELL – no yes
831-775 AT&T PACIFIC BELL – yes yes
831-776 T-Mobile METROPCS, INC. 2001-07-12 yes yes
831-783 AT&T PACIFIC BELL – yes yes
831-784 AT&T PACIFIC BELL – yes yes
831-785 T-Mobile METROPCS, INC. – yes yes
831-788 FRACTEL, LLC 2022-05-31 yes yes
831-789 MATRIX TELECOM, LLC. S/I/I TNCI - CA – yes yes
831-794 T-Mobile METROPCS, INC. 2001-09-13 yes yes
831-796 AT&T PACIFIC BELL – yes yes
831-800 SKYE TELECOM LLC DBA SKYETEL – yes yes
831-809 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
831-837 TON80 COMMUNICATIONS, LLC 2022-01-10 yes yes
831-859 HD CARRIER LLC 2024-06-20 yes yes
831-905 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
831-970 T-Mobile T-MOBILE USA, INC. – yes yes
831-975 Comcast COMCAST PHONE OF CALIFORNIA, LLC – yes yes
831-998 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 2003-07-17 yes yes

The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.

Who holds the blocks

HolderBrandBlocksShare here
PACIFIC BELL AT&T 24 28.6%
NEW CINGULAR WIRELESS PCS, LLC AT&T 13 15.5%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA Verizon 9 10.7%
ONVOY, LLC - CA Onvoy 5 6%
METROPCS, INC. T-Mobile 5 6%
T-MOBILE USA, INC. T-Mobile 4 4.8%
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS TPx 3 3.6%
NUSO, LLC – 2 2.4%
FRACTEL, LLC – 2 2.4%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 1 1.2%
CENTURYLINK COMMUNICATIONS, LLC Lumen 1 1.2%
CSC WIRELESS, LLC – 1 1.2%
TELEPORT COMMUNICATIONS AMERICA, LLC - CA AT&T 1 1.2%
TELNYX LLC Telnyx 1 1.2%
BOOST SUBSCRIBERCO L.L.C. Dish 1 1.2%
BANDWIDTH.COM CLEC, LLC - CA Bandwidth 1 1.2%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 1 1.2%
PEERLESS NETWORK OF CALIFORNIA, LLC - CA Peerless 1 1.2%
AT&T - LOCAL AT&T 1 1.2%
UTILITY TELECOM GROUP, LLC - CA – 1 1.2%
MATRIX TELECOM, LLC. S/I/I TNCI - CA – 1 1.2%
SKYE TELECOM LLC DBA SKYETEL – 1 1.2%
TON80 COMMUNICATIONS, LLC – 1 1.2%
HD CARRIER LLC – 1 1.2%
COMCAST PHONE OF CALIFORNIA, LLC Comcast 1 1.2%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA Verizon 1 1.2%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to SALINAS in area code 831?

84 blocks: 202, 203, 206, 208, 210, 214, 225, 229, 235, 240, 243, 253 and 72 more, all listed in the table above.

Which carriers have numbers in SALINAS?

PACIFIC BELL (24 blocks), NEW CINGULAR WIRELESS PCS, LLC (13 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (9 blocks), ONVOY, LLC - CA (5 blocks), METROPCS, INC. (5 blocks), T-MOBILE USA, INC. (4 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is SALINAS a city?

It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.

Other rate centers in 831

All 406 prefixes in 831