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Central Office Codes

Exchange Rate Center State Operating Company
213-899 LSAN DA 01 CA COOK TELECOM, INC.
213-901 LSAN DA 01 CA THE TELEPHONE CONNECTION OF LOS ANGELES, INC.
213-905 LSAN DA 07 CA T-MOBILE USA, INC.
213-908 LSAN DA 10 CA PACIFIC BELL
213-909 LSAN DA 10 CA XO CALIFORNIA, INC.
213-910 LSAN DA 01 CA BLUE LICENSES HOLDING, LLC
213-911 CA
213-915 LSAN DA 10 CA TIME WARNER COMMUNICATIONS AXS OF CALIFORNIA
213-917 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-918 LSAN DA 01 CA NETWORK SERVICES LLC
213-919 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-920 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-921 LSAN DA 01 CA SPRINT SPECTRUM L.P.
213-922 LSAN DA 01 CA PACIFIC BELL
213-923 LSAN DA 01 CA NEXTEL COMMUNICATIONS, INC.
213-924 LSAN DA 01 CA SPRINT SPECTRUM L.P.
213-925 LSAN DA 01 CA SPRINT SPECTRUM L.P.
213-926 LSAN DA 01 CA SPRINT SPECTRUM L.P.
213-927 LSAN DA 10 CA ALLEGIANCE TELECOM, INC. - CA
213-928 LSAN DA 01 CA PACIFIC BELL
213-929 LSAN DA 01 CA TIME WARNER COMMUNICATIONS AXS OF CALIFORNIA
213-935 LSAN DA 01 CA COST PLUS COMMUNICATIONS, LLC - CA
213-941 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-943 LSAN DA 01 CA XO CALIFORNIA, INC.
213-944 LSAN DA 01 CA SPRINT SPECTRUM L.P.
213-946 CA
213-947 LSAN DA 01 CA PAC - WEST TELECOMM, INC.
213-948 LSAN DA 01 CA SPRINT SPECTRUM L.P.
213-949 LSAN DA 01 CA SPRINT SPECTRUM L.P.
213-950 CA
213-952 LSAN DA 01 CA BLUE LICENSES HOLDING, LLC
213-955 LSAN DA 01 CA PACIFIC BELL
213-958 CA
213-959 CA
213-961 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-963 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-966 LSAN DA 07 CA THE TELEPHONE CONNECTION OF LOS ANGELES, INC.
213-968 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-972 LSAN DA 01 CA PACIFIC BELL
213-973 LSAN DA 07 CA 360NETWORKS (USA) INC. - CA
213-974 LSAN DA 01 CA PACIFIC BELL
213-975 LSAN DA 01 CA PACIFIC BELL
213-976 CA
213-977 LSAN DA 01 CA PACIFIC BELL
213-978 LSAN DA 01 CA PACIFIC BELL
213-984 LSAN DA 10 CA LEVEL 3 COMMUNICATIONS, LLC - CA
213-985 LSAN DA 10 CA LEVEL 3 COMMUNICATIONS, LLC - CA
213-986 LSAN DA 01 CA MPOWER COMMUNICATIONS CORP. - CA
213-988 LSAN DA 01 CA PACIFIC BELL
213-989 LSAN DA 10 CA PACIFIC BELL
213-990 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-991 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-992 LSAN DA 07 CA GLOBAL CROSSING LOCAL SERVICES, INC.-CA
213-994 LSAN DA 01 CA ARCH WIRELESS HOLDINGS, INC.
213-995 LSAN DA 01 CA ALLEGIANCE TELECOM, INC. - CA
213-996 LSAN DA 01 CA PACIFIC BELL
213-999 LSAN DA 01 CA CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
214-200 DALLAS TX SOUTHWESTERN BELL
214-201 GRANDPRARI TX XSPEDIUS MANAGEMENT CO SWITCHED SVCS FT WORTH TX
214-202 GRANDPRARI TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-203 CEDAR HILL TX LOGIX COMMUNICATIONS CORPORATION - TX
214-204 GRANDPRARI TX LOGIX COMMUNICATIONS CORPORATION - TX
214-205 DALLAS TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-206 DALLAS TX INTEGRATED COMMUNICATIONS CONSULTANTS, INC. - TX
214-207 GRANDPRARI TX SPRINT SPECTRUM L.P.
214-208 GRANDPRARI TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-209 DALLAS TX MCIMETRO, ATS, INC.
214-210 DALLAS TX MCI WORLDCOM COMMUNICATIONS, INC. - TX
214-211 TX
214-212 GRANDPRARI TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-213 GRANDPRARI TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-215 GRANDPRARI TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-216 DE SOTO TX LOGIX COMMUNICATIONS CORPORATION - TX
214-217 DALLAS TX LOGIX COMMUNICATIONS CORPORATION - TX
214-218 MCKINNEY TX CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX
214-219 DALLAS TX SOUTHWESTERN BELL
214-220 DALLAS TX SOUTHWESTERN BELL
214-221 DALLAS TX SOUTHWESTERN BELL
214-222 LEWISVILLE TX GTE-SW DBA VERIZON SW INC.-TX
214-223 IRVING TX SPRINT SPECTRUM L.P.
214-224 DALLAS TX SOUTHWESTERN BELL
214-225 GRANDPRARI TX UTEX COMMUNICATIONS CORP. - TX
214-226 IRVING TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-227 PLANO TX GTE-SW DBA VERIZON SW INC.-TX
214-228 GRANDPRARI TX T-MOBILE USA, INC.
214-229 DALLAS TX NEXTEL COMMUNICATIONS, INC.
214-230 WAXAHACHIE TX YMAX COMMUNICATIONS CORP. - TX
214-231 DALLAS TX ALLEGIANCE TELECOM, INC. - TX
214-232 GRANDPRARI TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-233 DLFTWTARPT TX GLOBAL CROSSING LOCAL SERVICES, INC.-TX
214-234 DALLAS TX SOUTHWESTERN BELL
214-235 GRANDPRARI TX SPRINT COMMUNICATIONS COMPANY, L.P. - TX
214-236 GRANDPRARI TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-237 DALLAS TX XO TEXAS, INC.
214-238 PLANO TX AWESOME PAGING, INC.
214-239 DALLAS TX SOUTHWESTERN BELL
214-240 GRANDPRARI TX NEW CINGULAR WIRELESS PCS, LLC - IL
214-241 ENNIS TX 1STEL, INC. - TX
214-242 DALLAS TX SPRINT COMMUNICATIONS COMPANY, L.P. - TX
214-243 DALLAS TX SOUTHWESTERN BELL