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

ELK GROVE prefixes in area code 916

NANPA records 44 assigned NXX blocks to rate center ELK GROVE in area code 916, 5.6% 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. 13 holders hold those blocks, the largest being CITIZENS TELECOM CA. DBA FRONTIER COM OF CA (18), T-MOBILE USA, INC. (7), NEW CINGULAR WIRELESS PCS, LLC (4). The earliest assignment on record here is 2001-11-30 and the most recent 2021-05-04. 34 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 224, 279, 847 – overlay codes cover the same geography, so a rate center is served by all of them.

44 assigned blocks – 5.6% of 916
13 holders of record
34 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
916-226 AT&T PACIFIC BELL (COMPETITIVE) – yes yes
916-230 T-Mobile T-MOBILE USA, INC. 2001-12-28 yes yes
916-236 IP HORIZON LLC – yes yes
916-271 T-Mobile METROPCS, INC. 2001-11-30 yes yes
916-280 T-Mobile T-MOBILE USA, INC. 2016-05-16 yes yes
916-385 T-Mobile T-MOBILE USA, INC. 2013-07-30 yes yes
916-405 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – yes yes
916-430 AT&T NEW CINGULAR WIRELESS PCS, LLC 2014-08-04 yes yes
916-478 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – yes yes
916-479 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
916-509 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 2007-09-27 yes yes
916-512 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 2010-02-15 yes yes
916-513 T-Mobile T-MOBILE USA, INC. 2015-08-04 yes yes
916-525 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – yes yes
916-544 T-Mobile METROPCS, INC. 2009-02-13 yes yes
916-582 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2014-07-25 yes yes
916-585 FIDIUM ENTERPRISE SERVICES, LLC 2008-12-01 yes yes
916-602 AT&T NEW CINGULAR WIRELESS PCS, LLC 2019-09-25 yes yes
916-627 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 2005-10-21 yes yes
916-647 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2005-09-30 yes yes
916-667 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA 2008-04-02 yes yes
916-670 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
916-681 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-682 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-683 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-684 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-685 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-686 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-687 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – yes yes
916-688 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-689 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-690 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
916-691 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-714 Frontier CITIZENS TELECOM CA. DBA FRONTIER COM OF CA – no yes
916-753 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2005-09-26 yes yes
916-793 T-Mobile T-MOBILE USA, INC. 2015-04-16 yes yes
916-818 T-Mobile T-MOBILE USA, INC. 2021-05-04 yes yes
916-829 T-Mobile T-MOBILE USA, INC. 2020-08-13 yes yes
916-831 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2017-03-29 yes yes
916-892 Peerless PEERLESS NETWORK OF CALIFORNIA, LLC - CA 2016-09-26 yes yes
916-895 Frontier FRONTIER COMMUNICATIONS OF AMERICA, INC. - CA 2011-03-15 yes yes
916-896 FIDIUM ENTERPRISE SERVICES, LLC 2010-01-21 yes yes
916-897 FIDIUM ENTERPRISE SERVICES, LLC 2006-09-25 yes yes
916-937 Telnyx TELNYX LLC 2021-02-01 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
CITIZENS TELECOM CA. DBA FRONTIER COM OF CA Frontier 18 40.9%
T-MOBILE USA, INC. T-Mobile 7 15.9%
NEW CINGULAR WIRELESS PCS, LLC AT&T 4 9.1%
FIDIUM ENTERPRISE SERVICES, LLC – 3 6.8%
METROPCS, INC. T-Mobile 2 4.5%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 2 4.5%
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS TPx 2 4.5%
PACIFIC BELL (COMPETITIVE) AT&T 1 2.3%
IP HORIZON LLC – 1 2.3%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 1 2.3%
PEERLESS NETWORK OF CALIFORNIA, LLC - CA Peerless 1 2.3%
FRONTIER COMMUNICATIONS OF AMERICA, INC. - CA Frontier 1 2.3%
TELNYX LLC Telnyx 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 ELK GROVE in area code 916?

44 blocks: 226, 230, 236, 271, 280, 385, 405, 430, 478, 479, 509, 512 and 32 more, all listed in the table above.

Which carriers have numbers in ELK GROVE?

CITIZENS TELECOM CA. DBA FRONTIER COM OF CA (18 blocks), T-MOBILE USA, INC. (7 blocks), NEW CINGULAR WIRELESS PCS, LLC (4 blocks), FIDIUM ENTERPRISE SERVICES, LLC (3 blocks), METROPCS, INC. (2 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC (2 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is ELK GROVE 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