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).

  • 3128391000 | +1 312-839-1000 Illinois U.S.A.
  • 3128391001 | +1 312-839-1001 Illinois U.S.A.
  • 3128391002 | +1 312-839-1002 Illinois U.S.A.
  • 3128391003 | +1 312-839-1003 Illinois U.S.A.
  • 3128391004 | +1 312-839-1004 Illinois U.S.A.
  • 3128391005 | +1 312-839-1005 Illinois U.S.A.
  • 3128391006 | +1 312-839-1006 Illinois U.S.A.
  • 3128391007 | +1 312-839-1007 Illinois U.S.A.
  • 3128391008 | +1 312-839-1008 Illinois U.S.A.
  • 3128391009 | +1 312-839-1009 Illinois U.S.A.
  • 3128391010 | +1 312-839-1010 Illinois U.S.A.
  • 3128391011 | +1 312-839-1011 Illinois U.S.A.
  • 3128391012 | +1 312-839-1012 Illinois U.S.A.
  • 3128391013 | +1 312-839-1013 Illinois U.S.A.
  • 3128391014 | +1 312-839-1014 Illinois U.S.A.
  • 3128391015 | +1 312-839-1015 Illinois U.S.A.
  • 3128391016 | +1 312-839-1016 Illinois U.S.A.
  • 3128391017 | +1 312-839-1017 Illinois U.S.A.
  • 3128391018 | +1 312-839-1018 Illinois U.S.A.
  • 3128391019 | +1 312-839-1019 Illinois U.S.A.
  • 3128391020 | +1 312-839-1020 Illinois U.S.A.
  • 3128391021 | +1 312-839-1021 Illinois U.S.A.
  • 3128391022 | +1 312-839-1022 Illinois U.S.A.
  • 3128391023 | +1 312-839-1023 Illinois U.S.A.
  • 3128391024 | +1 312-839-1024 Illinois U.S.A.
  • 3128391025 | +1 312-839-1025 Illinois U.S.A.
  • 3128391026 | +1 312-839-1026 Illinois U.S.A.
  • 3128391027 | +1 312-839-1027 Illinois U.S.A.
  • 3128391028 | +1 312-839-1028 Illinois U.S.A.
  • 3128391029 | +1 312-839-1029 Illinois U.S.A.
  • 3128391030 | +1 312-839-1030 Illinois U.S.A.
  • 3128391031 | +1 312-839-1031 Illinois U.S.A.
  • 3128391032 | +1 312-839-1032 Illinois U.S.A.
  • 3128391033 | +1 312-839-1033 Illinois U.S.A.
  • 3128391034 | +1 312-839-1034 Illinois U.S.A.
  • 3128391035 | +1 312-839-1035 Illinois U.S.A.
  • 3128391036 | +1 312-839-1036 Illinois U.S.A.
  • 3128391037 | +1 312-839-1037 Illinois U.S.A.
  • 3128391038 | +1 312-839-1038 Illinois U.S.A.
  • 3128391039 | +1 312-839-1039 Illinois U.S.A.
  • 3128391040 | +1 312-839-1040 Illinois U.S.A.
  • 3128391041 | +1 312-839-1041 Illinois U.S.A.
  • 3128391042 | +1 312-839-1042 Illinois U.S.A.
  • 3128391043 | +1 312-839-1043 Illinois U.S.A.
  • 3128391044 | +1 312-839-1044 Illinois U.S.A.
  • 3128391045 | +1 312-839-1045 Illinois U.S.A.
  • 3128391046 | +1 312-839-1046 Illinois U.S.A.
  • 3128391047 | +1 312-839-1047 Illinois U.S.A.
  • 3128391048 | +1 312-839-1048 Illinois U.S.A.
  • 3128391049 | +1 312-839-1049 Illinois U.S.A.
  • 3128391050 | +1 312-839-1050 Illinois U.S.A.
  • 3128391051 | +1 312-839-1051 Illinois U.S.A.
  • 3128391052 | +1 312-839-1052 Illinois U.S.A.
  • 3128391053 | +1 312-839-1053 Illinois U.S.A.
  • 3128391054 | +1 312-839-1054 Illinois U.S.A.
  • 3128391055 | +1 312-839-1055 Illinois U.S.A.
  • 3128391056 | +1 312-839-1056 Illinois U.S.A.
  • 3128391057 | +1 312-839-1057 Illinois U.S.A.
  • 3128391058 | +1 312-839-1058 Illinois U.S.A.
  • 3128391059 | +1 312-839-1059 Illinois U.S.A.
  • 3128391060 | +1 312-839-1060 Illinois U.S.A.
  • 3128391061 | +1 312-839-1061 Illinois U.S.A.
  • 3128391062 | +1 312-839-1062 Illinois U.S.A.
  • 3128391063 | +1 312-839-1063 Illinois U.S.A.
  • 3128391064 | +1 312-839-1064 Illinois U.S.A.
  • 3128391065 | +1 312-839-1065 Illinois U.S.A.
  • 3128391066 | +1 312-839-1066 Illinois U.S.A.
  • 3128391067 | +1 312-839-1067 Illinois U.S.A.
  • 3128391068 | +1 312-839-1068 Illinois U.S.A.
  • 3128391069 | +1 312-839-1069 Illinois U.S.A.
  • 3128391070 | +1 312-839-1070 Illinois U.S.A.
  • 3128391071 | +1 312-839-1071 Illinois U.S.A.
  • 3128391072 | +1 312-839-1072 Illinois U.S.A.
  • 3128391073 | +1 312-839-1073 Illinois U.S.A.
  • 3128391074 | +1 312-839-1074 Illinois U.S.A.
  • 3128391075 | +1 312-839-1075 Illinois U.S.A.
  • 3128391076 | +1 312-839-1076 Illinois U.S.A.
  • 3128391077 | +1 312-839-1077 Illinois U.S.A.
  • 3128391078 | +1 312-839-1078 Illinois U.S.A.
  • 3128391079 | +1 312-839-1079 Illinois U.S.A.
  • 3128391080 | +1 312-839-1080 Illinois U.S.A.
  • 3128391081 | +1 312-839-1081 Illinois U.S.A.
  • 3128391082 | +1 312-839-1082 Illinois U.S.A.
  • 3128391083 | +1 312-839-1083 Illinois U.S.A.
  • 3128391084 | +1 312-839-1084 Illinois U.S.A.
  • 3128391085 | +1 312-839-1085 Illinois U.S.A.
  • 3128391086 | +1 312-839-1086 Illinois U.S.A.
  • 3128391087 | +1 312-839-1087 Illinois U.S.A.
  • 3128391088 | +1 312-839-1088 Illinois U.S.A.
  • 3128391089 | +1 312-839-1089 Illinois U.S.A.
  • 3128391090 | +1 312-839-1090 Illinois U.S.A.
  • 3128391091 | +1 312-839-1091 Illinois U.S.A.
  • 3128391092 | +1 312-839-1092 Illinois U.S.A.
  • 3128391093 | +1 312-839-1093 Illinois U.S.A.
  • 3128391094 | +1 312-839-1094 Illinois U.S.A.
  • 3128391095 | +1 312-839-1095 Illinois U.S.A.
  • 3128391096 | +1 312-839-1096 Illinois U.S.A.
  • 3128391097 | +1 312-839-1097 Illinois U.S.A.
  • 3128391098 | +1 312-839-1098 Illinois U.S.A.
  • 3128391099 | +1 312-839-1099 Illinois U.S.A.