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

SCRM NORTH prefixes in area code 916

NANPA records 109 assigned NXX blocks to rate center SCRM NORTH in area code 916, 13.9% 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. 18 holders hold those blocks, the largest being PACIFIC BELL (60), T-MOBILE USA, INC. (9), METROPCS, INC. (5). The earliest assignment on record here is 2001-10-18 and the most recent 2022-03-11. 70 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.

109 assigned blocks – 13.9% of 916
18 holders of record
70 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
916-239 IP HORIZON LLC – yes yes
916-246 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 2013-03-04 yes yes
916-256 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA – yes yes
916-263 AT&T PACIFIC BELL – no yes
916-265 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA – yes yes
916-274 AT&T PACIFIC BELL – yes yes
916-275 T-Mobile METROPCS, INC. – yes yes
916-283 AT&T AT&T - LOCAL – yes yes
916-285 AT&T PACIFIC BELL – yes yes
916-286 AT&T PACIFIC BELL – yes yes
916-331 AT&T PACIFIC BELL – no yes
916-332 AT&T PACIFIC BELL – no yes
916-333 MATRIX TELECOM, LLC. S/I/I TNCI - CA 2007-01-17 yes yes
916-334 AT&T PACIFIC BELL – no yes
916-338 AT&T PACIFIC BELL – yes yes
916-339 AT&T PACIFIC BELL – yes yes
916-344 AT&T PACIFIC BELL – no yes
916-345 T-Mobile T-MOBILE USA, INC. 2016-09-26 yes yes
916-348 AT&T PACIFIC BELL – no yes
916-349 AT&T PACIFIC BELL – yes yes
916-359 FIDIUM ENTERPRISE SERVICES, LLC – yes yes
916-407 Bandwidth BANDWIDTH.COM CLEC, LLC - CA 2014-08-05 yes yes
916-418 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
916-419 AT&T PACIFIC BELL – no yes
916-426 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2012-02-20 yes yes
916-437 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
916-470 T-Mobile METROPCS, INC. 2001-11-30 no yes
916-473 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
916-480 AT&T PACIFIC BELL – yes yes
916-481 AT&T PACIFIC BELL – no yes
916-482 AT&T PACIFIC BELL – no yes
916-483 AT&T PACIFIC BELL – no yes
916-484 AT&T PACIFIC BELL – no yes
916-485 AT&T PACIFIC BELL – no yes
916-486 AT&T PACIFIC BELL – no yes
916-487 AT&T PACIFIC BELL – no yes
916-488 AT&T PACIFIC BELL – no yes
916-489 AT&T PACIFIC BELL – no yes
916-495 T-Mobile METROPCS, INC. 2014-12-11 yes yes
916-507 T-Mobile T-MOBILE USA, INC. 2016-03-14 yes yes
916-514 Comcast COMCAST PHONE OF CALIFORNIA, LLC 2007-11-16 yes yes
916-515 AT&T PACIFIC BELL – yes yes
916-518 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA 2018-10-26 yes yes
916-550 Comcast COMCAST PHONE OF CALIFORNIA, LLC 2008-10-31 yes yes
916-559 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA 2015-12-03 yes yes
916-561 AT&T PACIFIC BELL – yes yes
916-563 AT&T PACIFIC BELL – yes yes
916-564 AT&T PACIFIC BELL – no yes
916-565 AT&T PACIFIC BELL – yes yes
916-566 AT&T PACIFIC BELL – yes yes
916-567 AT&T PACIFIC BELL – yes yes
916-568 AT&T PACIFIC BELL – yes yes
916-569 AT&T PACIFIC BELL – yes yes
916-570 AT&T PACIFIC BELL – yes yes
916-571 Comcast COMCAST PHONE OF CALIFORNIA, LLC 2013-09-13 yes yes
916-574 AT&T PACIFIC BELL – no yes
916-575 AT&T PACIFIC BELL – yes yes
916-576 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA – yes yes
916-595 T-Mobile T-MOBILE USA, INC. 2001-10-18 no yes
916-604 T-Mobile METROPCS, INC. – yes yes
916-609 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
916-613 T-Mobile METROPCS, INC. 2002-07-17 no yes
916-614 AT&T PACIFIC BELL – no yes
916-621 AT&T NEW CINGULAR WIRELESS PCS, LLC 2014-10-02 yes yes
916-634 AT&T NEW CINGULAR WIRELESS PCS, LLC 2014-08-21 yes yes
916-640 FIDIUM ENTERPRISE SERVICES, LLC – yes yes
916-641 AT&T PACIFIC BELL – no yes
916-643 AT&T PACIFIC BELL – yes yes
916-646 AT&T PACIFIC BELL – no yes
916-648 AT&T PACIFIC BELL – no yes
916-649 AT&T PACIFIC BELL – no yes
916-664 T-Mobile T-MOBILE USA, INC. 2015-02-24 yes yes
916-678 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA 2009-03-02 yes yes
916-679 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
916-692 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2009-03-25 yes yes
916-696 T-Mobile T-MOBILE USA, INC. 2014-03-20 yes yes
916-713 T-Mobile T-MOBILE USA, INC. 2016-10-24 yes yes
916-750 T-Mobile T-MOBILE USA, INC. 2015-07-02 yes yes
916-779 Allstream ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM – yes yes
916-830 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA – no yes
916-876 AT&T PACIFIC BELL – no yes
916-877 AT&T PACIFIC BELL 2010-12-10 yes yes
916-882 AT&T NEW CINGULAR WIRELESS PCS, LLC 2015-06-26 yes yes
916-883 Peerless PEERLESS NETWORK OF CALIFORNIA, LLC - CA 2016-07-11 yes yes
916-885 T-Mobile T-MOBILE USA, INC. 2020-10-19 yes yes
916-890 Onvoy ONVOY, LLC - CA 2015-03-17 yes yes
916-891 Comcast COMCAST PHONE OF CALIFORNIA, LLC 2015-07-31 yes yes
916-900 Bandwidth BANDWIDTH.COM CLEC, LLC - CA – yes yes
916-913 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2010-06-04 yes yes
916-920 AT&T PACIFIC BELL – no yes
916-921 AT&T PACIFIC BELL – no yes
916-922 AT&T PACIFIC BELL – no yes
916-923 AT&T PACIFIC BELL – yes yes
916-924 AT&T PACIFIC BELL – no yes
916-925 AT&T PACIFIC BELL – no yes
916-927 AT&T PACIFIC BELL – no yes
916-928 AT&T PACIFIC BELL – no yes
916-929 AT&T PACIFIC BELL – no yes
916-940 T-Mobile T-MOBILE USA, INC. 2022-03-11 yes yes
916-944 AT&T PACIFIC BELL – yes yes
916-971 AT&T PACIFIC BELL – no yes
916-972 AT&T PACIFIC BELL – no yes
916-973 AT&T PACIFIC BELL – no yes
916-974 AT&T PACIFIC BELL – yes yes
916-977 AT&T PACIFIC BELL – yes yes
916-978 AT&T PACIFIC BELL – yes yes
916-979 AT&T PACIFIC BELL – yes yes
916-993 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2008-05-02 yes yes
916-999 Onvoy ONVOY, LLC - CA – 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 60 55%
T-MOBILE USA, INC. T-Mobile 9 8.3%
METROPCS, INC. T-Mobile 5 4.6%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 4 3.7%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 4 3.7%
COMCAST PHONE OF CALIFORNIA, LLC Comcast 4 3.7%
TELEPORT COMMUNICATIONS AMERICA, LLC - CA AT&T 4 3.7%
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS TPx 3 2.8%
NEW CINGULAR WIRELESS PCS, LLC AT&T 3 2.8%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA Verizon 2 1.8%
FIDIUM ENTERPRISE SERVICES, LLC – 2 1.8%
BANDWIDTH.COM CLEC, LLC - CA Bandwidth 2 1.8%
ONVOY, LLC - CA Onvoy 2 1.8%
IP HORIZON LLC – 1 0.9%
AT&T - LOCAL AT&T 1 0.9%
MATRIX TELECOM, LLC. S/I/I TNCI - CA – 1 0.9%
ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM Allstream 1 0.9%
PEERLESS NETWORK OF CALIFORNIA, LLC - CA Peerless 1 0.9%

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 SCRM NORTH in area code 916?

109 blocks: 239, 246, 256, 263, 265, 274, 275, 283, 285, 286, 331, 332 and 97 more, all listed in the table above.

Which carriers have numbers in SCRM NORTH?

PACIFIC BELL (60 blocks), T-MOBILE USA, INC. (9 blocks), METROPCS, INC. (5 blocks), LEVEL 3 COMMUNICATIONS, LLC - CA (4 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC (4 blocks), COMCAST PHONE OF CALIFORNIA, LLC (4 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is SCRM NORTH 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