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).

  • 3124301000 | +1 312-430-1000 Illinois U.S.A.
  • 3124301001 | +1 312-430-1001 Illinois U.S.A.
  • 3124301002 | +1 312-430-1002 Illinois U.S.A.
  • 3124301003 | +1 312-430-1003 Illinois U.S.A.
  • 3124301004 | +1 312-430-1004 Illinois U.S.A.
  • 3124301005 | +1 312-430-1005 Illinois U.S.A.
  • 3124301006 | +1 312-430-1006 Illinois U.S.A.
  • 3124301007 | +1 312-430-1007 Illinois U.S.A.
  • 3124301008 | +1 312-430-1008 Illinois U.S.A.
  • 3124301009 | +1 312-430-1009 Illinois U.S.A.
  • 3124301010 | +1 312-430-1010 Illinois U.S.A.
  • 3124301011 | +1 312-430-1011 Illinois U.S.A.
  • 3124301012 | +1 312-430-1012 Illinois U.S.A.
  • 3124301013 | +1 312-430-1013 Illinois U.S.A.
  • 3124301014 | +1 312-430-1014 Illinois U.S.A.
  • 3124301015 | +1 312-430-1015 Illinois U.S.A.
  • 3124301016 | +1 312-430-1016 Illinois U.S.A.
  • 3124301017 | +1 312-430-1017 Illinois U.S.A.
  • 3124301018 | +1 312-430-1018 Illinois U.S.A.
  • 3124301019 | +1 312-430-1019 Illinois U.S.A.
  • 3124301020 | +1 312-430-1020 Illinois U.S.A.
  • 3124301021 | +1 312-430-1021 Illinois U.S.A.
  • 3124301022 | +1 312-430-1022 Illinois U.S.A.
  • 3124301023 | +1 312-430-1023 Illinois U.S.A.
  • 3124301024 | +1 312-430-1024 Illinois U.S.A.
  • 3124301025 | +1 312-430-1025 Illinois U.S.A.
  • 3124301026 | +1 312-430-1026 Illinois U.S.A.
  • 3124301027 | +1 312-430-1027 Illinois U.S.A.
  • 3124301028 | +1 312-430-1028 Illinois U.S.A.
  • 3124301029 | +1 312-430-1029 Illinois U.S.A.
  • 3124301030 | +1 312-430-1030 Illinois U.S.A.
  • 3124301031 | +1 312-430-1031 Illinois U.S.A.
  • 3124301032 | +1 312-430-1032 Illinois U.S.A.
  • 3124301033 | +1 312-430-1033 Illinois U.S.A.
  • 3124301034 | +1 312-430-1034 Illinois U.S.A.
  • 3124301035 | +1 312-430-1035 Illinois U.S.A.
  • 3124301036 | +1 312-430-1036 Illinois U.S.A.
  • 3124301037 | +1 312-430-1037 Illinois U.S.A.
  • 3124301038 | +1 312-430-1038 Illinois U.S.A.
  • 3124301039 | +1 312-430-1039 Illinois U.S.A.
  • 3124301040 | +1 312-430-1040 Illinois U.S.A.
  • 3124301041 | +1 312-430-1041 Illinois U.S.A.
  • 3124301042 | +1 312-430-1042 Illinois U.S.A.
  • 3124301043 | +1 312-430-1043 Illinois U.S.A.
  • 3124301044 | +1 312-430-1044 Illinois U.S.A.
  • 3124301045 | +1 312-430-1045 Illinois U.S.A.
  • 3124301046 | +1 312-430-1046 Illinois U.S.A.
  • 3124301047 | +1 312-430-1047 Illinois U.S.A.
  • 3124301048 | +1 312-430-1048 Illinois U.S.A.
  • 3124301049 | +1 312-430-1049 Illinois U.S.A.
  • 3124301050 | +1 312-430-1050 Illinois U.S.A.
  • 3124301051 | +1 312-430-1051 Illinois U.S.A.
  • 3124301052 | +1 312-430-1052 Illinois U.S.A.
  • 3124301053 | +1 312-430-1053 Illinois U.S.A.
  • 3124301054 | +1 312-430-1054 Illinois U.S.A.
  • 3124301055 | +1 312-430-1055 Illinois U.S.A.
  • 3124301056 | +1 312-430-1056 Illinois U.S.A.
  • 3124301057 | +1 312-430-1057 Illinois U.S.A.
  • 3124301058 | +1 312-430-1058 Illinois U.S.A.
  • 3124301059 | +1 312-430-1059 Illinois U.S.A.
  • 3124301060 | +1 312-430-1060 Illinois U.S.A.
  • 3124301061 | +1 312-430-1061 Illinois U.S.A.
  • 3124301062 | +1 312-430-1062 Illinois U.S.A.
  • 3124301063 | +1 312-430-1063 Illinois U.S.A.
  • 3124301064 | +1 312-430-1064 Illinois U.S.A.
  • 3124301065 | +1 312-430-1065 Illinois U.S.A.
  • 3124301066 | +1 312-430-1066 Illinois U.S.A.
  • 3124301067 | +1 312-430-1067 Illinois U.S.A.
  • 3124301068 | +1 312-430-1068 Illinois U.S.A.
  • 3124301069 | +1 312-430-1069 Illinois U.S.A.
  • 3124301070 | +1 312-430-1070 Illinois U.S.A.
  • 3124301071 | +1 312-430-1071 Illinois U.S.A.
  • 3124301072 | +1 312-430-1072 Illinois U.S.A.
  • 3124301073 | +1 312-430-1073 Illinois U.S.A.
  • 3124301074 | +1 312-430-1074 Illinois U.S.A.
  • 3124301075 | +1 312-430-1075 Illinois U.S.A.
  • 3124301076 | +1 312-430-1076 Illinois U.S.A.
  • 3124301077 | +1 312-430-1077 Illinois U.S.A.
  • 3124301078 | +1 312-430-1078 Illinois U.S.A.
  • 3124301079 | +1 312-430-1079 Illinois U.S.A.
  • 3124301080 | +1 312-430-1080 Illinois U.S.A.
  • 3124301081 | +1 312-430-1081 Illinois U.S.A.
  • 3124301082 | +1 312-430-1082 Illinois U.S.A.
  • 3124301083 | +1 312-430-1083 Illinois U.S.A.
  • 3124301084 | +1 312-430-1084 Illinois U.S.A.
  • 3124301085 | +1 312-430-1085 Illinois U.S.A.
  • 3124301086 | +1 312-430-1086 Illinois U.S.A.
  • 3124301087 | +1 312-430-1087 Illinois U.S.A.
  • 3124301088 | +1 312-430-1088 Illinois U.S.A.
  • 3124301089 | +1 312-430-1089 Illinois U.S.A.
  • 3124301090 | +1 312-430-1090 Illinois U.S.A.
  • 3124301091 | +1 312-430-1091 Illinois U.S.A.
  • 3124301092 | +1 312-430-1092 Illinois U.S.A.
  • 3124301093 | +1 312-430-1093 Illinois U.S.A.
  • 3124301094 | +1 312-430-1094 Illinois U.S.A.
  • 3124301095 | +1 312-430-1095 Illinois U.S.A.
  • 3124301096 | +1 312-430-1096 Illinois U.S.A.
  • 3124301097 | +1 312-430-1097 Illinois U.S.A.
  • 3124301098 | +1 312-430-1098 Illinois U.S.A.
  • 3124301099 | +1 312-430-1099 Illinois U.S.A.