FREE: MyCallBot Caller ID for Android

Area Codes > 773 > Central Office Codes

Exchange Rate Center State Operating Company
773-830 CHICGOZN05 IL XO ILLINOIS, INC.
773-831 CHICGOZN11 IL LEVEL 3 COMMUNICATIONS, LLC - IL
773-832 CHICGOZN04 IL AMERITECH ILLINOIS
773-833 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-834 CHICGOZN07 IL AMERITECH ILLINOIS
773-835 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-836 CHICGOZN05 IL AMERITECH ILLINOIS
773-837 CHICGOZN04 IL T-MOBILE USA, INC.
773-838 CHICGOZN08 IL AMERITECH ILLINOIS
773-839 CHICGOZN01 IL AMERICAN MESSAGING (AM), INC.
773-840 CHICGOZN10 IL OVATION COMMUNICATIONS OF ILLINOIS, INC.
773-841 CHICGOZN01 IL NEW CINGULAR WIRELESS PCS, LLC - IL
773-842 CHICGOZN01 IL NEXTEL COMMUNICATIONS, INC.
773-843 CHICGOZN06 IL AMERITECH ILLINOIS
773-844 CHICGOZN03 IL NEW CINGULAR WIRELESS PCS, LLC - IL
773-845 CHICGOZN01 IL AMERICAN MESSAGING (AM), INC.
773-846 CHICGOZN07 IL AMERITECH ILLINOIS
773-847 CHICGOZN06 IL AMERITECH ILLINOIS
773-848 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-849 CHICGOZN03 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-851 CHICGOZN07 IL NEXTEL COMMUNICATIONS, INC.
773-852 CHICGOZN01 IL NEW CINGULAR WIRELESS PCS, LLC - IL
773-853 CHICGOZN03 IL SPRINT SPECTRUM L.P.
773-854 CHICGOZN05 IL AMERITECH ILLINOIS
773-855 CHICGOZN07 IL RCN TELECOM SERVICES OF ILLINOIS, INC. - IL
773-856 CHICGOZN02 IL RCN TELECOM SERVICES OF ILLINOIS, INC. - IL
773-857 CHICGOZN04 IL RCN TELECOM SERVICES OF ILLINOIS, INC. - IL
773-858 CHICGOZN02 IL NEXTEL COMMUNICATIONS, INC.
773-859 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-860 CHICGOZN01 IL NEW CINGULAR WIRELESS PCS, LLC - IL
773-861 CHICGOZN04 IL GLOBALCOM, INC.-IL
773-862 CHICGOZN04 IL AMERITECH ILLINOIS
773-863 CHICGOZN08 IL AMERITECH ILLINOIS
773-864 CHICGOZN03 IL AMERITECH ILLINOIS
773-865 CHICGOZN02 IL T-MOBILE USA, INC.
773-866 CHICGOZN02 IL AMERITECH ILLINOIS
773-867 CHICGOZN03 IL AMERITECH ILLINOIS
773-868 CHICGOZN04 IL AMERITECH ILLINOIS
773-869 CHICGOZN06 IL AMERITECH ILLINOIS
773-870 CHICGOZN03 IL NEW CINGULAR WIRELESS PCS, LLC - IL
773-871 CHICGOZN04 IL AMERITECH ILLINOIS
773-872 IL
773-873 CHICGOZN07 IL AMERITECH ILLINOIS
773-874 CHICGOZN07 IL AMERITECH ILLINOIS
773-875 CHICGOZN08 IL T-MOBILE USA, INC.
773-876 CHICGOZN03 IL UNITED STATES CELLULAR CORP. - ILLINOIS
773-877 CHICGOZN03 IL T-MOBILE USA, INC.
773-878 CHICGOZN02 IL AMERITECH ILLINOIS
773-879 CHICGOZN01 IL UNITED STATES CELLULAR CORP. - ILLINOIS
773-880 CHICGOZN04 IL AMERITECH ILLINOIS
773-881 CHICGOZN10 IL AMERITECH ILLINOIS
773-882 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-883 CHICGOZN04 IL AMERITECH ILLINOIS
773-884 CHICGOZN08 IL AMERITECH ILLINOIS
773-885 CHICGOZN03 IL SPRINT SPECTRUM L.P.
773-886 CHICGOZN07 IL T-MOBILE USA, INC.
773-887 CHICGOZN05 IL MCIMETRO, ATS, INC.
773-889 CHICGOZN05 IL AMERITECH ILLINOIS
773-890 CHICGOZN06 IL AMERITECH ILLINOIS
773-891 CHICGOZN07 IL COMCAST PHONE OF ILLINOIS, LLC - IL
773-892 CHICGOZN07 IL AMERITECH ILLINOIS
773-893 CHICGOZN06 IL MCIMETRO, ATS, INC.
773-894 CHICGOZN11 IL AMERITECH ILLINOIS
773-895 CHICGOZN01 IL T-MOBILE USA, INC.
773-896 CHICGOZN07 IL MCIMETRO, ATS, INC.
773-897 CHICGOZN02 IL PEERLESS NETWORK OF ILLINOIS, LLC - IL
773-898 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-899 CHICGOZN03 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-900 IL
773-902 CHICGOZN09 IL GLOBAL CROSSING LOCAL SERVICES, INC.-IL
773-903 CHICGOZN01 IL AMERICAN MESSAGING (AM), INC.
773-904 CHICGOZN04 IL BROADWING COMMUNICATIONS, LLC - IL
773-905 CHICGOZN10 IL GLOBAL CROSSING LOCAL SERVICES, INC.-IL
773-906 CHICGOZN11 IL GLOBAL CROSSING LOCAL SERVICES, INC.-IL
773-907 CHICGOZN02 IL AMERITECH ILLINOIS
773-908 CHICGOZN01 IL NEXTEL COMMUNICATIONS, INC.
773-909 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-910 CHICGOZN01 IL NEW CINGULAR WIRELESS PCS, LLC - IL
773-911 IL
773-912 CHICGOZN08 IL GLOBAL CROSSING LOCAL SERVICES, INC.-IL
773-913 CHICGOZN09 IL BROADWING COMMUNICATIONS, LLC - IL
773-914 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-915 CHICGOZN07 IL GLOBAL CROSSING LOCAL SERVICES, INC.-IL
773-917 CHICGOZN11 IL MCI WORLDCOM COMMUNICATIONS, INC. - IL
773-918 CHICGOZN08 IL AMERITECH ILLINOIS
773-919 CHICGOZN01 IL CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
773-920 CHICGOZN06 IL GLOBAL CROSSING LOCAL SERVICES, INC.-IL
773-921 CHICGOZN05 IL AMERITECH ILLINOIS
773-922 CHICGOZN05 IL GLOBAL CROSSING LOCAL SERVICES, INC.-IL
773-923 CHICGOZN01 IL ARCH WIRELESS HOLDINGS, INC.
773-924 CHICGOZN07 IL AMERITECH ILLINOIS
773-925 CHICGOZN08 IL AMERITECH ILLINOIS
773-926 CHICGOZN07 IL AMERITECH ILLINOIS
773-927 CHICGOZN06 IL AMERITECH ILLINOIS
773-928 CHICGOZN10 IL AMERITECH ILLINOIS
773-929 CHICGOZN04 IL AMERITECH ILLINOIS
773-930 CHICGOZN03 IL SPRINT SPECTRUM L.P.
773-931 CHICGOZN10 IL T-MOBILE USA, INC.
773-932 CHICGOZN03 IL GLOBAL CROSSING LOCAL SERVICES, INC.-IL
773-933 CHICGOZN09 IL AMERITECH ILLINOIS