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

FAIR OAKS prefixes in area code 916

NANPA records 43 assigned NXX blocks to rate center FAIR OAKS in area code 916, 5.5% of the 785 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. 19 holders hold those blocks, the largest being PACIFIC BELL (12), NEW CINGULAR WIRELESS PCS, LLC (5), T-MOBILE USA, INC. (3). The earliest assignment on record here is 2001-06-05 and the most recent 2021-05-17. 32 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 code 279 – overlay codes cover the same geography, so a rate center is served by all of them.

43 assigned blocks – 5.5% of 916
19 holders of record
32 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
916-200 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
916-225 T-Mobile T-MOBILE USA, INC. 2001-12-28 yes yes
916-241 IP HORIZON LLC – yes yes
916-308 T-Mobile METROPCS, INC. 2001-11-30 no yes
916-342 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
916-347 Peerless PEERLESS NETWORK OF CALIFORNIA, LLC - CA 2013-03-25 yes yes
916-390 AT&T NEW CINGULAR WIRELESS PCS, LLC 2001-12-28 yes yes
916-436 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
916-459 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2001-06-05 yes yes
916-526 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA – yes yes
916-534 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA – yes yes
916-535 AT&T PACIFIC BELL – yes yes
916-536 AT&T PACIFIC BELL – yes yes
916-537 AT&T PACIFIC BELL – yes yes
916-545 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2015-10-20 yes yes
916-546 T-Mobile METROPCS, INC. 2009-02-13 yes yes
916-579 T-Mobile T-MOBILE USA, INC. – yes yes
916-633 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – yes yes
916-671 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
916-765 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
916-768 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
916-827 Bandwidth BANDWIDTH.COM CLEC, LLC - CA 2014-08-04 yes yes
916-844 Allstream ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM – yes yes
916-847 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
916-860 MATRIX TELECOM, LLC. S/I/I TNCI - CA – yes yes
916-863 AT&T PACIFIC BELL – yes yes
916-864 AT&T PACIFIC BELL – yes yes
916-866 MATRIX TELECOM, LLC. S/I/I TNCI - CA – yes yes
916-867 AT&T PACIFIC BELL – no yes
916-880 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA – yes yes
916-903 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
916-904 AT&T PACIFIC BELL – yes yes
916-907 Onvoy ONVOY, LLC - CA 2021-01-28 yes yes
916-908 T-Mobile T-MOBILE USA, INC. 2021-05-17 yes yes
916-948 Spok SPOK, INC. – no yes
916-961 AT&T PACIFIC BELL – no yes
916-962 AT&T PACIFIC BELL – no yes
916-963 UTILITY TELECOM GROUP, LLC - CA 2016-03-25 yes yes
916-965 AT&T PACIFIC BELL – no yes
916-966 AT&T PACIFIC BELL – no yes
916-967 AT&T PACIFIC BELL – no yes
916-968 T-Mobile METROPCS, INC. – yes yes
916-969 Consolidated CONSOLIDATED COMMUNICATIONS OF CALIFORNIA COMPANY – 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 12 27.9%
NEW CINGULAR WIRELESS PCS, LLC AT&T 5 11.6%
T-MOBILE USA, INC. T-Mobile 3 7%
METROPCS, INC. T-Mobile 3 7%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 2 4.7%
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS TPx 2 4.7%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 2 4.7%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA Verizon 2 4.7%
MATRIX TELECOM, LLC. S/I/I TNCI - CA – 2 4.7%
IP HORIZON LLC – 1 2.3%
PEERLESS NETWORK OF CALIFORNIA, LLC - CA Peerless 1 2.3%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA Verizon 1 2.3%
TELEPORT COMMUNICATIONS AMERICA, LLC - CA AT&T 1 2.3%
BANDWIDTH.COM CLEC, LLC - CA Bandwidth 1 2.3%
ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM Allstream 1 2.3%
ONVOY, LLC - CA Onvoy 1 2.3%
SPOK, INC. Spok 1 2.3%
UTILITY TELECOM GROUP, LLC - CA – 1 2.3%
CONSOLIDATED COMMUNICATIONS OF CALIFORNIA COMPANY Consolidated 1 2.3%

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 FAIR OAKS in area code 916?

43 blocks: 200, 225, 241, 308, 342, 347, 390, 436, 459, 526, 534, 535 and 31 more, all listed in the table above.

Which carriers have numbers in FAIR OAKS?

PACIFIC BELL (12 blocks), NEW CINGULAR WIRELESS PCS, LLC (5 blocks), T-MOBILE USA, INC. (3 blocks), METROPCS, INC. (3 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC (2 blocks), U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (2 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is FAIR OAKS 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 916

All 785 prefixes in 916