National Phone Number Registry NPNR

Area Code 323 Location

Area code 323 is currently assigned for use in California since Jun 13, 1998. This area code originated from the 213 area code previously by means of area code split or overlay. View all phone prefixes used in area code 323 or other area codes in California.

(323)
Enter 7-digit phone number for area code 323 or the complete 10-digit phone number

Phone Prefixes for Area Code 323

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Area code Location Company / Service Provider
323-200 Los Angeles, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
323-201 MONTEBELLO, CA U.S. TELEPACIFIC CORP. - CA
323-202 LOS ANGELES, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
323-203 LOS ANGELES, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
323-204 LOS ANGELES, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
323-205 LOS ANGELES, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
323-206 LOS ANGELES, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
323-207 LOS ANGELES, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
323-208 LOS ANGELES, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
323-209 LOS ANGELES, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
323-210 LOS ANGELES, CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
323-212 Los Angeles, CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
323-213 MONTEBELLO, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
323-214 LOS ANGELES, CA XO CALIFORNIA, INC.
323-215 MONTEBELLO, CA XO CALIFORNIA, INC.
323-216 MONTEBELLO, CA SPRINT SPECTRUM L.P.
323-217 LOS ANGELES, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
323-218 LOS ANGELES, CA SPRINT SPECTRUM L.P.
323-219 LOS ANGELES, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
323-220 Los Angeles, CA LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
323-221 LOS ANGELES, CA PACIFIC BELL
323-222 LOS ANGELES, CA PACIFIC BELL
323-223 LOS ANGELES, CA PACIFIC BELL
323-224 LOS ANGELES, CA PACIFIC BELL
323-225 LOS ANGELES, CA PACIFIC BELL
323-226 LOS ANGELES, CA PACIFIC BELL
323-227 LOS ANGELES, CA PACIFIC BELL
323-228 Los Angeles, CA SPRINT SPECTRUM L.P.
323-229 LOS ANGELES, CA NEW CINGULAR WIRELESS PCS, LLC
323-230 LOS ANGELES, CA O1 COMMUNICATIONS, INC. - CA
323-231 LOS ANGELES, CA PACIFIC BELL
323-232 LOS ANGELES, CA PACIFIC BELL
323-233 LOS ANGELES, CA PACIFIC BELL
323-234 LOS ANGELES, CA PACIFIC BELL
323-235 LOS ANGELES, CA PACIFIC BELL
323-236 MONTEBELLO, CA NEW CINGULAR WIRELESS PCS, LLC
323-237 LOS ANGELES, CA METROPCS NETWORKS, LLC
323-238 LOS ANGELES, CA PACIFIC BELL
323-239 LOS ANGELES, CA METROPCS NETWORKS, LLC
323-240 LOS ANGELES, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
323-241 LOS ANGELES, CA PACIFIC BELL
323-242 LOS ANGELES, CA PACIFIC BELL
323-243 LOS ANGELES, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
323-244 LOS ANGELES, CA LEVEL 3 COMMUNICATIONS, LLC - CA
323-245 LOS ANGELES, CA PACIFIC BELL
323-246 MONTEBELLO, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
323-247 LOS ANGELES, CA METROPCS NETWORKS, LLC
323-248 MONTEBELLO, CA PACIFIC BELL
323-249 LOS ANGELES, CA PACIFIC BELL
323-250 LOS ANGELES, CA CBC BROADBAND HOLDINGS, LLC - CA
New numbers being added to 323 area code
Effective: 06/05/2017
323-880 in LOS ANGELES, CA
T-MOBILE USA, INC.
Effective: 05/27/2017
323-914 in MONTEBELLO, CA
TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
323 Area Code Information
Type of code: General Purpose Code
Location: CA - US
Time zone: P
Assigned for use: Yes
Code in service: Yes
Service date: June 13, 1998
In jeopardy: No
Relief in progress: Yes
NPA Relief status: Active
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 494 080 062
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D 1+10D
Foreign local calls: 1+10D NA
Home toll calls: 7D 1+10D
Foreign toll calls: 1+10D -

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