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(657)
Enter 7-digit phone number for area code 657 or the complete 10-digit phone number

Phone Prefixes for Area Code 657

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Area code location Company / Service Provider
657-200 WESTMINSTER, CA METROPCS NETWORKS, LLC
657-201 ANAHEIM, CA METROPCS NETWORKS, LLC
657-202 ANAHEIM, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
657-203 HUNTINGTON BEACH, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-204 HUNTINGTON BEACH, CA BANDWIDTH.COM CLEC, LLC - CA
657-205 SANTA ANA, CA MCI WORLDCOM COMMUNICATIONS, INC., CA
657-206 GARDEN GROVE, CA T-MOBILE USA, INC.
657-207 ANAHEIM, CA METROPCS NETWORKS, LLC
657-208 ANAHEIM, CA BROADVOX-CLEC, LLC - CA
657-209 SILVERADO, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
657-210 SANTA ANA, CA BANDWIDTH.COM CLEC, LLC - CA
657-212 SANTA ANA, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-213 CYPRESS, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
657-214 CYPRESS, CA BANDWIDTH.COM CLEC, LLC - CA
657-215 HUNTINGTON BEACH, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-216 PLACENTIA, CA BANDWIDTH.COM CLEC, LLC - CA
657-217 FULLERTON, CA BANDWIDTH.COM CLEC, LLC - CA
657-218 SANTA ANA, CA TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB
657-219 SANTA ANA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
657-220 ANAHEIM, CA TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB
657-221 ORANGE, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-222 CYPRESS, CA CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
657-223 ORANGE, CA TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB
657-224 ORANGE, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
657-225 FULLERTON, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
657-226 PLACENTIA, CA BANDWIDTH.COM CLEC, LLC - CA
657-227 WESTMINSTER, CA TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB
657-228 SANTA ANA, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
657-229 SANTA ANA, CA BANDWIDTH.COM CLEC, LLC - CA
657-230 ANAHEIM, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-231 SANTA ANA, CA AT&T CORP.
657-232 SANTA ANA, CA TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB
657-233 GARDEN GROVE, CA AT&T CORP.
657-234 YORBA LINDA, CA BANDWIDTH.COM CLEC, LLC - CA
657-235 SANTA ANA, CA BANDWIDTH.COM CLEC, LLC - CA
657-236 ORANGE, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
657-237 HUNTINGTON BEACH, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-238 CYPRESS, CA T-MOBILE USA, INC.
657-239 BUENA PARK, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-240 SANTA ANA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
657-241 HUNTINGTON BEACH, CA PAETEC COMMUNICATIONS, INC. - CA
657-242 ANAHEIM, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-243 FULLERTON, CA LEVEL 3 COMMUNICATIONS, LLC - CA
657-244 HUNTINGTON BEACH, CA NEW CINGULAR WIRELESS PCS, LLC
657-245 SANTA ANA, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
657-246 BREA, CA T-MOBILE USA, INC.
657-247 SANTA ANA, CA TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB
657-248 FULLERTON, CA NEW CINGULAR WIRELESS PCS, LLC
657-249 SANTA ANA, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
657-250 GARDEN GROVE, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
New numbers being added to 657 area code
Effective: 07/20/2017
657-209 in SILVERADO, CA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
Effective: 08/06/2017
657-213 in CYPRESS, CA
PEERLESS NETWORK OF CALIFORNIA, LLC - CA
Effective: 06/12/2017
657-354 in FULLERTON, CA
METROPCS NETWORKS, LLC
Effective: 06/18/2017
657-358 in SANTA ANA, CA
LEVEL 3 COMMUNICATIONS, LLC - CA
Effective: 07/03/2017
657-361 in SILVERADO, CA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
Effective: 07/08/2017
657-364 in WESTMINSTER, CA
VODEX COMMUNICATIONS CORPORATION - CA
Effective: 08/10/2017
657-478 in BREA, CA
NEW CINGULAR WIRELESS PCS, LLC
657 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: September 23, 2008
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 368 206 169
Overlay code: Yes
Overlay complex: 657/714
Dialing plan Standard Permissive
Home local calls: 1+10D NA
Foreign local calls: 1+10D NA
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -

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