City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3125031000 | +1 312-503-1000 Illinois U.S.A.
  • 3125031001 | +1 312-503-1001 Illinois U.S.A.
  • 3125031002 | +1 312-503-1002 Illinois U.S.A.
  • 3125031003 | +1 312-503-1003 Illinois U.S.A.
  • 3125031004 | +1 312-503-1004 Illinois U.S.A.
  • 3125031005 | +1 312-503-1005 Illinois U.S.A.
  • 3125031006 | +1 312-503-1006 Illinois U.S.A.
  • 3125031007 | +1 312-503-1007 Illinois U.S.A.
  • 3125031008 | +1 312-503-1008 Illinois U.S.A.
  • 3125031009 | +1 312-503-1009 Illinois U.S.A.
  • 3125031010 | +1 312-503-1010 Illinois U.S.A.
  • 3125031011 | +1 312-503-1011 Illinois U.S.A.
  • 3125031012 | +1 312-503-1012 Illinois U.S.A.
  • 3125031013 | +1 312-503-1013 Illinois U.S.A.
  • 3125031014 | +1 312-503-1014 Illinois U.S.A.
  • 3125031015 | +1 312-503-1015 Illinois U.S.A.
  • 3125031016 | +1 312-503-1016 Illinois U.S.A.
  • 3125031017 | +1 312-503-1017 Illinois U.S.A.
  • 3125031018 | +1 312-503-1018 Illinois U.S.A.
  • 3125031019 | +1 312-503-1019 Illinois U.S.A.
  • 3125031020 | +1 312-503-1020 Illinois U.S.A.
  • 3125031021 | +1 312-503-1021 Illinois U.S.A.
  • 3125031022 | +1 312-503-1022 Illinois U.S.A.
  • 3125031023 | +1 312-503-1023 Illinois U.S.A.
  • 3125031024 | +1 312-503-1024 Illinois U.S.A.
  • 3125031025 | +1 312-503-1025 Illinois U.S.A.
  • 3125031026 | +1 312-503-1026 Illinois U.S.A.
  • 3125031027 | +1 312-503-1027 Illinois U.S.A.
  • 3125031028 | +1 312-503-1028 Illinois U.S.A.
  • 3125031029 | +1 312-503-1029 Illinois U.S.A.
  • 3125031030 | +1 312-503-1030 Illinois U.S.A.
  • 3125031031 | +1 312-503-1031 Illinois U.S.A.
  • 3125031032 | +1 312-503-1032 Illinois U.S.A.
  • 3125031033 | +1 312-503-1033 Illinois U.S.A.
  • 3125031034 | +1 312-503-1034 Illinois U.S.A.
  • 3125031035 | +1 312-503-1035 Illinois U.S.A.
  • 3125031036 | +1 312-503-1036 Illinois U.S.A.
  • 3125031037 | +1 312-503-1037 Illinois U.S.A.
  • 3125031038 | +1 312-503-1038 Illinois U.S.A.
  • 3125031039 | +1 312-503-1039 Illinois U.S.A.
  • 3125031040 | +1 312-503-1040 Illinois U.S.A.
  • 3125031041 | +1 312-503-1041 Illinois U.S.A.
  • 3125031042 | +1 312-503-1042 Illinois U.S.A.
  • 3125031043 | +1 312-503-1043 Illinois U.S.A.
  • 3125031044 | +1 312-503-1044 Illinois U.S.A.
  • 3125031045 | +1 312-503-1045 Illinois U.S.A.
  • 3125031046 | +1 312-503-1046 Illinois U.S.A.
  • 3125031047 | +1 312-503-1047 Illinois U.S.A.
  • 3125031048 | +1 312-503-1048 Illinois U.S.A.
  • 3125031049 | +1 312-503-1049 Illinois U.S.A.
  • 3125031050 | +1 312-503-1050 Illinois U.S.A.
  • 3125031051 | +1 312-503-1051 Illinois U.S.A.
  • 3125031052 | +1 312-503-1052 Illinois U.S.A.
  • 3125031053 | +1 312-503-1053 Illinois U.S.A.
  • 3125031054 | +1 312-503-1054 Illinois U.S.A.
  • 3125031055 | +1 312-503-1055 Illinois U.S.A.
  • 3125031056 | +1 312-503-1056 Illinois U.S.A.
  • 3125031057 | +1 312-503-1057 Illinois U.S.A.
  • 3125031058 | +1 312-503-1058 Illinois U.S.A.
  • 3125031059 | +1 312-503-1059 Illinois U.S.A.
  • 3125031060 | +1 312-503-1060 Illinois U.S.A.
  • 3125031061 | +1 312-503-1061 Illinois U.S.A.
  • 3125031062 | +1 312-503-1062 Illinois U.S.A.
  • 3125031063 | +1 312-503-1063 Illinois U.S.A.
  • 3125031064 | +1 312-503-1064 Illinois U.S.A.
  • 3125031065 | +1 312-503-1065 Illinois U.S.A.
  • 3125031066 | +1 312-503-1066 Illinois U.S.A.
  • 3125031067 | +1 312-503-1067 Illinois U.S.A.
  • 3125031068 | +1 312-503-1068 Illinois U.S.A.
  • 3125031069 | +1 312-503-1069 Illinois U.S.A.
  • 3125031070 | +1 312-503-1070 Illinois U.S.A.
  • 3125031071 | +1 312-503-1071 Illinois U.S.A.
  • 3125031072 | +1 312-503-1072 Illinois U.S.A.
  • 3125031073 | +1 312-503-1073 Illinois U.S.A.
  • 3125031074 | +1 312-503-1074 Illinois U.S.A.
  • 3125031075 | +1 312-503-1075 Illinois U.S.A.
  • 3125031076 | +1 312-503-1076 Illinois U.S.A.
  • 3125031077 | +1 312-503-1077 Illinois U.S.A.
  • 3125031078 | +1 312-503-1078 Illinois U.S.A.
  • 3125031079 | +1 312-503-1079 Illinois U.S.A.
  • 3125031080 | +1 312-503-1080 Illinois U.S.A.
  • 3125031081 | +1 312-503-1081 Illinois U.S.A.
  • 3125031082 | +1 312-503-1082 Illinois U.S.A.
  • 3125031083 | +1 312-503-1083 Illinois U.S.A.
  • 3125031084 | +1 312-503-1084 Illinois U.S.A.
  • 3125031085 | +1 312-503-1085 Illinois U.S.A.
  • 3125031086 | +1 312-503-1086 Illinois U.S.A.
  • 3125031087 | +1 312-503-1087 Illinois U.S.A.
  • 3125031088 | +1 312-503-1088 Illinois U.S.A.
  • 3125031089 | +1 312-503-1089 Illinois U.S.A.
  • 3125031090 | +1 312-503-1090 Illinois U.S.A.
  • 3125031091 | +1 312-503-1091 Illinois U.S.A.
  • 3125031092 | +1 312-503-1092 Illinois U.S.A.
  • 3125031093 | +1 312-503-1093 Illinois U.S.A.
  • 3125031094 | +1 312-503-1094 Illinois U.S.A.
  • 3125031095 | +1 312-503-1095 Illinois U.S.A.
  • 3125031096 | +1 312-503-1096 Illinois U.S.A.
  • 3125031097 | +1 312-503-1097 Illinois U.S.A.
  • 3125031098 | +1 312-503-1098 Illinois U.S.A.
  • 3125031099 | +1 312-503-1099 Illinois U.S.A.