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Area Codes > 310 > Central Office Codes

Exchange Rate Center State Operating Company
310-200 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-201 BEVERLYHLS CA PACIFIC BELL
310-202 CULVERCITY CA PACIFIC BELL
310-203 BEVERLYHLS CA PACIFIC BELL
310-204 CULVERCITY CA PACIFIC BELL
310-205 BEVERLYHLS CA PACIFIC BELL
310-206 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-207 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-208 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-209 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-210 W ANGELES CA BLUE LICENSES HOLDING, LLC
310-211 CA
310-212 TORRANCE CA PACIFIC BELL
310-213 CMTN GRDN CA SPRINT SPECTRUM L.P.
310-214 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-215 INGLEWOOD CA PACIFIC BELL
310-216 INGLEWOOD CA PACIFIC BELL
310-217 CMTN GRDN CA PACIFIC BELL
310-218 TORRANCE CA XO CALIFORNIA, INC.
310-219 HAWTHORNE CA PACIFIC BELL
310-220 HAWTHORNE CA XO CALIFORNIA, INC.
310-221 SAN PEDRO CA PACIFIC BELL
310-222 TORRANCE CA PACIFIC BELL
310-223 CMTN CMTN CA PACIFIC BELL
310-224 TORRANCE CA PACIFIC BELL
310-225 CMTN GRDN CA PACIFIC BELL
310-226 BEVERLYHLS CA PACIFIC BELL
310-227 EL SEGUNDO CA T-MOBILE USA, INC.
310-228 BEVERLYHLS CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-229 BEVERLYHLS CA PACIFIC BELL
310-230 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-231 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-232 SNMN SNMN CA ARCH WIRELESS HOLDINGS, INC.
310-233 SAN PEDRO CA PACIFIC BELL
310-234 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-235 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-236 SNMN SNMN CA ARCH WIRELESS HOLDINGS, INC.
310-237 CULVERCITY CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-238 SNMN SNMN CA ARCH WIRELESS HOLDINGS, INC.
310-239 SNMN SNMN CA ARCH WIRELESS HOLDINGS, INC.
310-240 CMTN GRDN CA ARCH WIRELESS HOLDINGS, INC.
310-241 SAN PEDRO CA PACIFIC BELL
310-242 INGLEWOOD CA TELEPORT COMMUNICATIONS GROUP - LOS ANGELES
310-243 CMTN GRDN CA PACIFIC BELL
310-244 CULVERCITY CA PACIFIC BELL
310-245 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-246 BEVERLYHLS CA PACIFIC BELL
310-247 BEVERLYHLS CA PACIFIC BELL
310-248 BEVERLYHLS CA PACIFIC BELL
310-249 CMTN GRDN CA ARCH WIRELESS HOLDINGS, INC.
310-250 CMTN GRDN CA ARCH WIRELESS HOLDINGS, INC.
310-251 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-252 EL SEGUNDO CA PACIFIC BELL
310-253 CULVERCITY CA PACIFIC BELL
310-254 W ANGELES CA MCIMETRO, ATS, INC.
310-255 SNMN SNMN CA PACIFIC BELL - CLEC
310-256 INGLEWOOD CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
310-257 LOMITA CA PACIFIC BELL
310-258 INGLEWOOD CA PACIFIC BELL
310-259 INGLEWOOD CA BLUE LICENSES HOLDING, LLC
310-260 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-261 SNMN SNMN CA NEXTEL COMMUNICATIONS, INC.
310-262 SNMN SNMN CA ARCH WIRELESS HOLDINGS, INC.
310-263 HAWTHORNE CA PACIFIC BELL
310-264 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-265 REDONDO CA VERIZON CALIFORNIA INC.-CA (GTE)
310-266 SNMN SNMN CA BLUE LICENSES HOLDING, LLC
310-267 SNMN SNMN CA VERIZON CALIFORNIA INC.-CA (GTE)
310-268 W ANGELES CA VERIZON CALIFORNIA INC.-CA (GTE)
310-269 SNMN SNMN CA COOK TELECOM, INC.
310-270 BEVERLYHLS CA PACIFIC BELL
310-271 BEVERLYHLS CA PACIFIC BELL
310-272 BEVERLYHLS CA NEXTEL COMMUNICATIONS, INC.
310-273 BEVERLYHLS CA PACIFIC BELL
310-274 BEVERLYHLS CA PACIFIC BELL
310-275 BEVERLYHLS CA PACIFIC BELL
310-276 BEVERLYHLS CA PACIFIC BELL
310-277 BEVERLYHLS CA PACIFIC BELL
310-278 BEVERLYHLS CA PACIFIC BELL
310-279 BEVERLYHLS CA PACIFIC BELL
310-280 CULVERCITY CA PACIFIC BELL
310-281 BEVERLYHLS CA PACIFIC BELL
310-282 BEVERLYHLS CA PACIFIC BELL
310-283 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-284 BEVERLYHLS CA PACIFIC BELL
310-285 BEVERLYHLS CA PACIFIC BELL
310-286 BEVERLYHLS CA PACIFIC BELL
310-287 CULVERCITY CA PACIFIC BELL
310-288 BEVERLYHLS CA PACIFIC BELL
310-289 BEVERLYHLS CA PACIFIC BELL
310-290 CMTN GRDN CA ARCH WIRELESS HOLDINGS, INC.
310-291 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-292 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-293 CMTN GRDN CA BLUE LICENSES HOLDING, LLC
310-294 TORRANCE CA BROADWING COMMUNICATINS. LLC - CA
310-295 W ANGELES CA BROADWING COMMUNICATINS. LLC - CA
310-296 CMTN GRDN CA NETWORK SERVICES LLC
310-297 HAWTHORNE CA PACIFIC BELL
310-298 CMTN GRDN CA ARCH WIRELESS HOLDINGS, INC.
310-299 CMTN GRDN CA ARCH WIRELESS HOLDINGS, INC.