National Phone Number Registry NPNR

Area Code 831 Location

Area code 831 is currently assigned for use in California since Jul 11, 1998. This area code originated from the 408 area code previously by means of area code split or overlay. View all phone prefixes used in area code 831 or other area codes in California.

(831)
Enter 7-digit phone number for area code 831 or the complete 10-digit phone number

Phone Prefixes for Area Code 831

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Area code Location Company / Service Provider
831-200 MONTEREY, CA PEERLESS NETWORK OF CALIFORNIA, LLC - CA
831-201 SANTA CRUZ, CA NEW CINGULAR WIRELESS PCS, LLC
831-203 SALINAS, CA AMERICAN MESSAGING SERVICES, LLC
831-204 MONTEREY, CA YMAX COMMUNICATIONS CORP. - CA
831-205 HOLLISTER, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
831-206 SALINAS, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
831-207 HOLLISTER, CA SPRINT SPECTRUM L.P.
831-210 SALINAS, CA T-MOBILE USA, INC.
831-212 SANTA CRUZ, CA SPRINT SPECTRUM L.P.
831-214 SALINAS, CA NEW CINGULAR WIRELESS PCS, LLC
831-216 FELTON, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
831-217 Boulder Creek, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
831-218 BEN LOMOND, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
831-219 APTOS, CA TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO
831-221 SAN ARDO, CA O1 COMMUNICATIONS, INC. - CA
831-222 FELTON, CA U.S. TELEPACIFIC CORP. - CA
831-223 SOLEDAD, CA LEVEL 3 COMMUNICATIONS, LLC - CA
831-224 MONTEREY, CA T-MOBILE USA, INC.
831-225 SALINAS, CA CENTURYLINK COMMUNICATIONS LLC
831-226 SANTA CRUZ, CA AT&T CORP.
831-227 SANTA CRUZ, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
831-228 WATSONVL, CA CHARTER FIBERLINK CA-CCO, LLC - CA
831-229 SALINAS, CA NEW CINGULAR WIRELESS PCS, LLC
831-230 MONTEREY, CA TELNYX LLC
831-232 CHUALAR, CA O1 COMMUNICATIONS, INC. - CA
831-233 MONTEREY, CA LEVEL 3 COMMUNICATIONS, LLC - CA
831-234 SANTA CRUZ, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
831-235 SALINAS, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
831-236 MONTEREY, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
831-237 SOLEDAD, CA O1 COMMUNICATIONS, INC. - CA
831-238 CARMEL, CA NEW CINGULAR WIRELESS PCS, LLC
831-239 SANTA CRUZ, CA NEW CINGULAR WIRELESS PCS, LLC
831-240 SALINAS, CA T-MOBILE USA, INC.
831-241 MONTEREY, CA AT&T LOCAL
831-242 MONTEREY, CA PACIFIC BELL
831-244 BIG SUR, CA BANDWIDTH.COM CLEC, LLC - CA
831-245 HOLLISTER, CA O1 COMMUNICATIONS, INC. - CA
831-246 BEN LOMOND, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
831-247 SANTA CRUZ, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
831-249 BIG SUR, CA AT&T CORP.
831-250 CARMEL, CA O1 COMMUNICATIONS, INC. - CA
831-251 APTOS, CA NEW CINGULAR WIRELESS PCS, LLC
831-252 BEN LOMOND, CA NEW CINGULAR WIRELESS PCS, LLC
831-254 WATSONVL, CA NEW CINGULAR WIRELESS PCS, LLC
831-255 SANTA CRUZ, CA NORTH COUNTY COMMUNICATIONS CORP. - CA
831-256 SALINAS, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
831-257 APTOS, CA BROADVOX-CLEC, LLC - CA
831-258 SALINAS, CA NEW CINGULAR WIRELESS PCS, LLC
831-261 SALINAS, CA NEW CINGULAR WIRELESS PCS, LLC
831-262 SALINAS, CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
New numbers being added to 831 area code
Effective: 05/06/2017
831-273 in SALINAS, CA
BROADVOX-CLEC, LLC - CA
Effective: 05/13/2017
831-400 in SANTA CRUZ, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
Effective: 05/08/2017
831-500 in SALINAS, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
Effective: 05/13/2017
831-666 in WATSONVL, CA
CF COMMUNICATIONS, LLC DBA TELEKENEX - CA
Effective: 05/15/2017
831-867 in MONTEREY, CA
COMMIO, LLC
831 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: July 11, 1998
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): 80 63
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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