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

ARCADIA prefixes in area code 626

NANPA records 47 assigned NXX blocks to rate center ARCADIA in area code 626, 6.4% of the 737 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 (10), T-MOBILE USA, INC. (9), NEW CINGULAR WIRELESS PCS, LLC (4). The earliest assignment on record here is 2001-04-17 and the most recent 2024-01-10. 35 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 308, 318, 405, 419 – overlay codes cover the same geography, so a rate center is served by all of them.

47 assigned blocks – 6.4% of 626
18 holders of record
35 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
626-203 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
626-215 T-Mobile T-MOBILE USA, INC. 2001-12-27 no yes
626-226 Onvoy ONVOY, LLC - CA – yes yes
626-231 T-Mobile T-MOBILE USA, INC. – yes yes
626-241 Windstream PAETEC ITEL, LLC – yes yes
626-244 T-Mobile T-MOBILE USA, INC. – yes yes
626-247 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
626-254 AT&T PACIFIC BELL – yes yes
626-268 Peerless PEERLESS NETWORK OF CALIFORNIA, LLC - CA 2017-06-08 yes yes
626-272 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
626-294 AT&T PACIFIC BELL – no yes
626-317 HD CARRIER LLC – yes yes
626-321 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA – yes yes
626-326 American Messaging AMERICAN MESSAGING SERVICES, LLC – no yes
626-340 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA – yes yes
626-348 AT&T PACIFIC BELL – yes yes
626-353 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
626-400 Onvoy ONVOY, LLC - CA – yes yes
626-445 AT&T PACIFIC BELL – no yes
626-446 AT&T PACIFIC BELL – no yes
626-447 AT&T PACIFIC BELL – no yes
626-461 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
626-462 AT&T PACIFIC BELL – yes yes
626-473 UTILITY TELECOM GROUP, LLC - CA – no yes
626-538 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA – yes yes
626-546 T-Mobile T-MOBILE USA, INC. 2019-08-07 yes yes
626-566 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
626-574 AT&T PACIFIC BELL – no yes
626-623 Lumen LEVEL 3 TELECOM OF CALIFORNIA, LP - CA – yes yes
626-631 EXIANT COMMUNICATIONS LLC 2018-02-23 yes yes
626-637 FRACTEL, LLC 2021-12-21 yes yes
626-662 T-Mobile T-MOBILE USA, INC. – yes yes
626-668 33 WIRELESS INC. – no yes
626-684 AT&T NEW CINGULAR WIRELESS PCS, LLC 2014-08-28 yes yes
626-693 T-Mobile T-MOBILE USA, INC. 2014-09-03 yes yes
626-698 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2001-06-25 yes yes
626-701 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
626-716 AT&T NEW CINGULAR WIRELESS PCS, LLC 2001-04-17 yes yes
626-726 T-Mobile T-MOBILE USA, INC. – yes yes
626-734 T-Mobile T-MOBILE USA, INC. 2014-07-21 yes yes
626-740 T-Mobile T-MOBILE USA, INC. 2024-01-10 yes yes
626-777 Peerless PEERLESS NETWORK OF CALIFORNIA, LLC - CA 2016-12-23 yes yes
626-802 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
626-821 AT&T PACIFIC BELL – no yes
626-829 Onvoy ONVOY, LLC - CA – yes yes
626-898 AT&T PACIFIC BELL – yes yes
626-929 FRACTEL, LLC 2022-03-18 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 10 21.3%
T-MOBILE USA, INC. T-Mobile 9 19.1%
NEW CINGULAR WIRELESS PCS, LLC AT&T 4 8.5%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 3 6.4%
ONVOY, LLC - CA Onvoy 3 6.4%
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS TPx 3 6.4%
PEERLESS NETWORK OF CALIFORNIA, LLC - CA Peerless 2 4.3%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 2 4.3%
FRACTEL, LLC – 2 4.3%
PAETEC ITEL, LLC Windstream 1 2.1%
HD CARRIER LLC – 1 2.1%
TELEPORT COMMUNICATIONS AMERICA, LLC - CA AT&T 1 2.1%
AMERICAN MESSAGING SERVICES, LLC American Messaging 1 2.1%
UTILITY TELECOM GROUP, LLC - CA – 1 2.1%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA Verizon 1 2.1%
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA Lumen 1 2.1%
EXIANT COMMUNICATIONS LLC – 1 2.1%
33 WIRELESS INC. – 1 2.1%

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 ARCADIA in area code 626?

47 blocks: 203, 215, 226, 231, 241, 244, 247, 254, 268, 272, 294, 317 and 35 more, all listed in the table above.

Which carriers have numbers in ARCADIA?

PACIFIC BELL (10 blocks), T-MOBILE USA, INC. (9 blocks), NEW CINGULAR WIRELESS PCS, LLC (4 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC (3 blocks), ONVOY, LLC - CA (3 blocks), U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (3 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is ARCADIA 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 626

All 737 prefixes in 626