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Area Codes > 203 > Central Office Codes

Exchange Rate Center State Operating Company
203-201 NEW HAVEN CT ARCH WIRELESS HOLDINGS, INC.
203-202 DARIEN CT CABLEVISION LIGHTPATH, INC. - CT
203-203 CT
203-204 CT
203-205 DANBURY CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-206 WATERBURY CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-207 DANBURY CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-208 BRANFORD CT COMCAST PHONE OF CONNECTICUT, INC. - CT
203-209 BRIDGEPORT CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-210 WILTON CT CABLEVISION LIGHTPATH, INC. - CT
203-211 CT
203-213 MERIDEN CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-214 NEW HAVEN CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-215 NEW HAVEN CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-216 WESTPORT CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-217 WATERBURY CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-218 BRIDGEPORT CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-219 STAMFORD CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-220 TRUMBULL CT CABLEVISION LIGHTPATH, INC. - CT
203-221 WESTPORT CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-222 WESTPORT CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-223 STAMFORD CT NEXTEL COMMUNICATIONS, INC.
203-224 BRIDGEPORT CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-225 HUNTINGTON CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-226 WESTPORT CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-227 WESTPORT CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-228 WATERBURY CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-229 NORWALK CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-230 NEW HAVEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-231 ANSONIDRBY CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-232 WATERBURY CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-233 WATERBURY CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-234 NEW HAVEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-235 MERIDEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-236 WATERBURY CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-237 MERIDEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-238 MERIDEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-239 NEW HAVEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-240 DANBURY CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-241 DANBURY CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-242 HUNTINGTON CT CABLEVISION LIGHTPATH, INC. - CT
203-243 BRIDGEPORT CT OMNIPOINT COMMUNICATIONS, INC. - CT
203-244 RIDGEFIELD CT CABLEVISION LIGHTPATH, INC. - CT
203-245 MADISON CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-246 NORWALK CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-247 NORWALK CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-248 NEW HAVEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-249 STAMFORD CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-250 CHESHIRE CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-251 STAMFORD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-252 STAMFORD CT CABLEVISION LIGHTPATH, INC. - CT
203-253 STAMFORD CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-254 FAIRFIELD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-255 FAIRFIELD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-256 FAIRFIELD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-257 BRIDGEPORT CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-258 BRIDGEPORT CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-259 FAIRFIELD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-260 BRIDGEPORT CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-261 TRUMBULL CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-262 WOODBURY CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-263 WOODBURY CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-264 WOODBURY CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-265 WALLINGFD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-266 WOODBURY CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-267 WOODBURY CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-268 TRUMBULL CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-269 WALLINGFD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-270 NEWTOWN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-271 CHESHIRE CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-272 CHESHIRE CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-273 STAMFORD CT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT
203-274 STAMFORD CT NEW CINGULAR WIRELESS PCS, LLC - MA
203-275 BRIDGEPORT CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-276 STAMFORD CT CABLEVISION LIGHTPATH, INC. - CT
203-277 OLDGRNWICH CT BROOKS FIBER COMMUNICATIONS - CONNECTICUT
203-278 ANSONIDRBY CT OMNIPOINT COMMUNICATIONS, INC. - CT
203-279 BRIDGEPORT CT ARCH WIRELESS HOLDINGS, INC.
203-280 DARIEN CT BROOKS FIBER COMMUNICATIONS - CONNECTICUT
203-281 NEW HAVEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-282 STAMFORD CT ARCH WIRELESS HOLDINGS, INC.
203-283 MILFORD CT CABLEVISION LIGHTPATH, INC. - CT
203-284 WALLINGFD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-285 NEW HAVEN CT TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT
203-286 NORWALK CT CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT
203-287 NEW HAVEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-288 NEW HAVEN CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-289 DANBURY CT ARCH WIRELESS HOLDINGS, INC.
203-290 GREENWICH CT GLOBAL NAPS, INC. - RI
203-291 WESTPORT CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-292 FAIRFIELD CT CABLEVISION LIGHTPATH, INC. - CT
203-293 WESTPORT CT BROOKS FIBER COMMUNICATIONS - CONNECTICUT
203-294 WALLINGFD CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-295 NORWALK CT BROOKS FIBER COMMUNICATIONS - CONNECTICUT
203-296 BRIDGEPORT CT BROOKS FIBER COMMUNICATIONS - CONNECTICUT
203-297 DANBURY CT BROOKS FIBER COMMUNICATIONS - CONNECTICUT
203-298 NEW HAVEN CT CABLEVISION LIGHTPATH, INC. - CT
203-299 NORWALK CT SOUTHERN NEW ENGLAND TELEPHONE CO.
203-300 DANBURY CT OMNIPOINT COMMUNICATIONS, INC. - CT
203-301 MILFORD CT SOUTHERN NEW ENGLAND TELEPHONE CO.