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).

  • 3128451000 | +1 312-845-1000 Illinois U.S.A.
  • 3128451001 | +1 312-845-1001 Illinois U.S.A.
  • 3128451002 | +1 312-845-1002 Illinois U.S.A.
  • 3128451003 | +1 312-845-1003 Illinois U.S.A.
  • 3128451004 | +1 312-845-1004 Illinois U.S.A.
  • 3128451005 | +1 312-845-1005 Illinois U.S.A.
  • 3128451006 | +1 312-845-1006 Illinois U.S.A.
  • 3128451007 | +1 312-845-1007 Illinois U.S.A.
  • 3128451008 | +1 312-845-1008 Illinois U.S.A.
  • 3128451009 | +1 312-845-1009 Illinois U.S.A.
  • 3128451010 | +1 312-845-1010 Illinois U.S.A.
  • 3128451011 | +1 312-845-1011 Illinois U.S.A.
  • 3128451012 | +1 312-845-1012 Illinois U.S.A.
  • 3128451013 | +1 312-845-1013 Illinois U.S.A.
  • 3128451014 | +1 312-845-1014 Illinois U.S.A.
  • 3128451015 | +1 312-845-1015 Illinois U.S.A.
  • 3128451016 | +1 312-845-1016 Illinois U.S.A.
  • 3128451017 | +1 312-845-1017 Illinois U.S.A.
  • 3128451018 | +1 312-845-1018 Illinois U.S.A.
  • 3128451019 | +1 312-845-1019 Illinois U.S.A.
  • 3128451020 | +1 312-845-1020 Illinois U.S.A.
  • 3128451021 | +1 312-845-1021 Illinois U.S.A.
  • 3128451022 | +1 312-845-1022 Illinois U.S.A.
  • 3128451023 | +1 312-845-1023 Illinois U.S.A.
  • 3128451024 | +1 312-845-1024 Illinois U.S.A.
  • 3128451025 | +1 312-845-1025 Illinois U.S.A.
  • 3128451026 | +1 312-845-1026 Illinois U.S.A.
  • 3128451027 | +1 312-845-1027 Illinois U.S.A.
  • 3128451028 | +1 312-845-1028 Illinois U.S.A.
  • 3128451029 | +1 312-845-1029 Illinois U.S.A.
  • 3128451030 | +1 312-845-1030 Illinois U.S.A.
  • 3128451031 | +1 312-845-1031 Illinois U.S.A.
  • 3128451032 | +1 312-845-1032 Illinois U.S.A.
  • 3128451033 | +1 312-845-1033 Illinois U.S.A.
  • 3128451034 | +1 312-845-1034 Illinois U.S.A.
  • 3128451035 | +1 312-845-1035 Illinois U.S.A.
  • 3128451036 | +1 312-845-1036 Illinois U.S.A.
  • 3128451037 | +1 312-845-1037 Illinois U.S.A.
  • 3128451038 | +1 312-845-1038 Illinois U.S.A.
  • 3128451039 | +1 312-845-1039 Illinois U.S.A.
  • 3128451040 | +1 312-845-1040 Illinois U.S.A.
  • 3128451041 | +1 312-845-1041 Illinois U.S.A.
  • 3128451042 | +1 312-845-1042 Illinois U.S.A.
  • 3128451043 | +1 312-845-1043 Illinois U.S.A.
  • 3128451044 | +1 312-845-1044 Illinois U.S.A.
  • 3128451045 | +1 312-845-1045 Illinois U.S.A.
  • 3128451046 | +1 312-845-1046 Illinois U.S.A.
  • 3128451047 | +1 312-845-1047 Illinois U.S.A.
  • 3128451048 | +1 312-845-1048 Illinois U.S.A.
  • 3128451049 | +1 312-845-1049 Illinois U.S.A.
  • 3128451050 | +1 312-845-1050 Illinois U.S.A.
  • 3128451051 | +1 312-845-1051 Illinois U.S.A.
  • 3128451052 | +1 312-845-1052 Illinois U.S.A.
  • 3128451053 | +1 312-845-1053 Illinois U.S.A.
  • 3128451054 | +1 312-845-1054 Illinois U.S.A.
  • 3128451055 | +1 312-845-1055 Illinois U.S.A.
  • 3128451056 | +1 312-845-1056 Illinois U.S.A.
  • 3128451057 | +1 312-845-1057 Illinois U.S.A.
  • 3128451058 | +1 312-845-1058 Illinois U.S.A.
  • 3128451059 | +1 312-845-1059 Illinois U.S.A.
  • 3128451060 | +1 312-845-1060 Illinois U.S.A.
  • 3128451061 | +1 312-845-1061 Illinois U.S.A.
  • 3128451062 | +1 312-845-1062 Illinois U.S.A.
  • 3128451063 | +1 312-845-1063 Illinois U.S.A.
  • 3128451064 | +1 312-845-1064 Illinois U.S.A.
  • 3128451065 | +1 312-845-1065 Illinois U.S.A.
  • 3128451066 | +1 312-845-1066 Illinois U.S.A.
  • 3128451067 | +1 312-845-1067 Illinois U.S.A.
  • 3128451068 | +1 312-845-1068 Illinois U.S.A.
  • 3128451069 | +1 312-845-1069 Illinois U.S.A.
  • 3128451070 | +1 312-845-1070 Illinois U.S.A.
  • 3128451071 | +1 312-845-1071 Illinois U.S.A.
  • 3128451072 | +1 312-845-1072 Illinois U.S.A.
  • 3128451073 | +1 312-845-1073 Illinois U.S.A.
  • 3128451074 | +1 312-845-1074 Illinois U.S.A.
  • 3128451075 | +1 312-845-1075 Illinois U.S.A.
  • 3128451076 | +1 312-845-1076 Illinois U.S.A.
  • 3128451077 | +1 312-845-1077 Illinois U.S.A.
  • 3128451078 | +1 312-845-1078 Illinois U.S.A.
  • 3128451079 | +1 312-845-1079 Illinois U.S.A.
  • 3128451080 | +1 312-845-1080 Illinois U.S.A.
  • 3128451081 | +1 312-845-1081 Illinois U.S.A.
  • 3128451082 | +1 312-845-1082 Illinois U.S.A.
  • 3128451083 | +1 312-845-1083 Illinois U.S.A.
  • 3128451084 | +1 312-845-1084 Illinois U.S.A.
  • 3128451085 | +1 312-845-1085 Illinois U.S.A.
  • 3128451086 | +1 312-845-1086 Illinois U.S.A.
  • 3128451087 | +1 312-845-1087 Illinois U.S.A.
  • 3128451088 | +1 312-845-1088 Illinois U.S.A.
  • 3128451089 | +1 312-845-1089 Illinois U.S.A.
  • 3128451090 | +1 312-845-1090 Illinois U.S.A.
  • 3128451091 | +1 312-845-1091 Illinois U.S.A.
  • 3128451092 | +1 312-845-1092 Illinois U.S.A.
  • 3128451093 | +1 312-845-1093 Illinois U.S.A.
  • 3128451094 | +1 312-845-1094 Illinois U.S.A.
  • 3128451095 | +1 312-845-1095 Illinois U.S.A.
  • 3128451096 | +1 312-845-1096 Illinois U.S.A.
  • 3128451097 | +1 312-845-1097 Illinois U.S.A.
  • 3128451098 | +1 312-845-1098 Illinois U.S.A.
  • 3128451099 | +1 312-845-1099 Illinois U.S.A.