657 Area Code

S California

June 26, 2019

Area Code: 657
State/Region: S California
Major Cities: Los Angeles
Time Zone: Pacific
Current Time: 2:14 AM
Date Assigned: 4/1/99
In Service Since: 9/23/08
Overlay?: Yes
Overlay Complex: 714/657
Local Call Dialing: 1+10D
Toll Call Dialing: 1+10D
   

657 Prefixes/Exchanges

Prefix
Location / Company
Company
Assigned
657-200
WESTMINSTR, CA
METROPCS NETWORKS, LLC
08/08/2008
657-201
ANAHEIM, CA
METROPCS NETWORKS, LLC
09/19/2008
657-202
ANAHEIM, CA
PEERLESS NETWORK OF CALIFORNIA, LLC - CA
02/11/2009
657-203
HUNTITNBCH, CA
LEVEL 3 COMMUNICATIONS, LLC - CA
04/14/2010
657-204
HUNTITNBCH, CA
BANDWIDTH.COM CLEC, LLC - CA
04/14/2010
657-205
SANTA ANA, CA
MCI WORLDCOM COMMUNICATIONS, INC., CA
05/06/2010
657-206
GARDEN GRV, CA
T-MOBILE USA, INC.
05/18/2010
657-207
ANAHEIM, CA
METROPCS NETWORKS, LLC
05/27/2010
657-208
ANAHEIM, CA
INFOTELECOM, LLC - CA
09/09/2010
657-209
[UNASSIGNED]
657-210
SANTA ANA, CA
BANDWIDTH.COM CLEC, LLC - CA
11/11/2010
657-211
[UNASSIGNED]
657-212
SANTA ANA, CA
LEVEL 3 COMMUNICATIONS, LLC - CA
11/22/2010
657-213
[UNASSIGNED]
657-214
CYPRESS, CA
BANDWIDTH.COM CLEC, LLC - CA
11/11/2010
657-215
HUNTITNBCH, CA
LEVEL 3 COMMUNICATIONS, LLC - CA
11/23/2010
657-216
PLACENTIA, CA
BANDWIDTH.COM CLEC, LLC - CA
04/04/2011
657-217
FULLERTON, CA
BANDWIDTH.COM CLEC, LLC - CA
07/18/2011
657-222
CYPRESS, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
09/13/2010
657-224
ORANGE, CA
LEVEL 3 COMMUNICATIONS, LLC - CA
12/05/2011
657-229
SANTA ANA, CA
BANDWIDTH.COM CLEC, LLC - CA
02/23/2010
657-235
SANTA ANA, CA
BANDWIDTH.COM CLEC, LLC - CA
07/22/2011
657-269
SANTA ANA, CA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
03/05/2010
657-278
FULLERTON, CA
PACIFIC BELL
11/21/2008
657-300
HUNTITNBCH, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
03/30/2012
657-310
[UNASSIGNED]
657-311
[UNASSIGNED]
657-323
[UNASSIGNED]
657-333
ORANGE, CA
TELCENTRIS COMMUNICATIONS, LLC - CA
08/16/2010
657-400
WESTMINSTR, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
03/30/2012
657-408
[UNASSIGNED]
657-411
[UNASSIGNED]
657-415
[UNASSIGNED]
657-424
[UNASSIGNED]
657-442
[UNASSIGNED]
657-444
PLACENTIA, CA
TELCENTRIS COMMUNICATIONS, LLC - CA
08/20/2010
657-464
HUNTITNBCH, CA
BANDWIDTH.COM CLEC, LLC - CA
657-510
[UNASSIGNED]
657-511
[UNASSIGNED]
657-530
[UNASSIGNED]
657-549
ANAHEIM, CA
BANDWIDTH.COM CLEC, LLC - CA
02/23/2010
657-555
MULTIPLE OCN LISTING
[UNASSIGNED]
657-559
[UNASSIGNED]
657-562
[UNASSIGNED]
657-600
SANTA ANA, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
03/12/2012
657-611
[UNASSIGNED]
657-619
[UNASSIGNED]
657-622
SANTA ANA, CA
PACIFIC BELL
05/18/2009
657-626
[UNASSIGNED]
657-628
[UNASSIGNED]
657-650
[UNASSIGNED]
657-657
[UNASSIGNED]
657-661
[UNASSIGNED]
657-666
WESTMINSTR, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
09/13/2010
657-700
[UNASSIGNED]
657-707
[UNASSIGNED]
657-711
[UNASSIGNED]
657-714
[UNASSIGNED]
657-747
[UNASSIGNED]
657-760
[UNASSIGNED]
657-777
CYPRESS, CA
TELCENTRIS COMMUNICATIONS, LLC - CA
08/13/2010
657-800
GARDEN GRV, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
03/12/2012
657-805
[UNASSIGNED]
657-811
[UNASSIGNED]
657-818
[UNASSIGNED]
657-831
[UNASSIGNED]
657-858
[UNASSIGNED]
657-859
SANTA ANA, CA
COX CALIFORNIA TELCOM, INC. - CA
06/12/2008
657-888
ORANGE, CA
TELCENTRIS COMMUNICATIONS, LLC - CA
08/16/2010
657-909
[UNASSIGNED]
657-911
[UNASSIGNED]
657-916
[UNASSIGNED]
657-925
[UNASSIGNED]
657-949
[UNASSIGNED]
657-950
[UNASSIGNED]
657-951
[UNASSIGNED]
657-958
[UNASSIGNED]
657-959
[UNASSIGNED]
657-976
VERIZON CALIFORNIA INC.-CA (GTE)
[UNASSIGNED]
657-999
ANAHEIM, CA
TELCENTRIS COMMUNICATIONS, LLC - CA
07/20/2010
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