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).

  • 3123351000 | +1 312-335-1000 Illinois U.S.A.
  • 3123351001 | +1 312-335-1001 Illinois U.S.A.
  • 3123351002 | +1 312-335-1002 Illinois U.S.A.
  • 3123351003 | +1 312-335-1003 Illinois U.S.A.
  • 3123351004 | +1 312-335-1004 Illinois U.S.A.
  • 3123351005 | +1 312-335-1005 Illinois U.S.A.
  • 3123351006 | +1 312-335-1006 Illinois U.S.A.
  • 3123351007 | +1 312-335-1007 Illinois U.S.A.
  • 3123351008 | +1 312-335-1008 Illinois U.S.A.
  • 3123351009 | +1 312-335-1009 Illinois U.S.A.
  • 3123351010 | +1 312-335-1010 Illinois U.S.A.
  • 3123351011 | +1 312-335-1011 Illinois U.S.A.
  • 3123351012 | +1 312-335-1012 Illinois U.S.A.
  • 3123351013 | +1 312-335-1013 Illinois U.S.A.
  • 3123351014 | +1 312-335-1014 Illinois U.S.A.
  • 3123351015 | +1 312-335-1015 Illinois U.S.A.
  • 3123351016 | +1 312-335-1016 Illinois U.S.A.
  • 3123351017 | +1 312-335-1017 Illinois U.S.A.
  • 3123351018 | +1 312-335-1018 Illinois U.S.A.
  • 3123351019 | +1 312-335-1019 Illinois U.S.A.
  • 3123351020 | +1 312-335-1020 Illinois U.S.A.
  • 3123351021 | +1 312-335-1021 Illinois U.S.A.
  • 3123351022 | +1 312-335-1022 Illinois U.S.A.
  • 3123351023 | +1 312-335-1023 Illinois U.S.A.
  • 3123351024 | +1 312-335-1024 Illinois U.S.A.
  • 3123351025 | +1 312-335-1025 Illinois U.S.A.
  • 3123351026 | +1 312-335-1026 Illinois U.S.A.
  • 3123351027 | +1 312-335-1027 Illinois U.S.A.
  • 3123351028 | +1 312-335-1028 Illinois U.S.A.
  • 3123351029 | +1 312-335-1029 Illinois U.S.A.
  • 3123351030 | +1 312-335-1030 Illinois U.S.A.
  • 3123351031 | +1 312-335-1031 Illinois U.S.A.
  • 3123351032 | +1 312-335-1032 Illinois U.S.A.
  • 3123351033 | +1 312-335-1033 Illinois U.S.A.
  • 3123351034 | +1 312-335-1034 Illinois U.S.A.
  • 3123351035 | +1 312-335-1035 Illinois U.S.A.
  • 3123351036 | +1 312-335-1036 Illinois U.S.A.
  • 3123351037 | +1 312-335-1037 Illinois U.S.A.
  • 3123351038 | +1 312-335-1038 Illinois U.S.A.
  • 3123351039 | +1 312-335-1039 Illinois U.S.A.
  • 3123351040 | +1 312-335-1040 Illinois U.S.A.
  • 3123351041 | +1 312-335-1041 Illinois U.S.A.
  • 3123351042 | +1 312-335-1042 Illinois U.S.A.
  • 3123351043 | +1 312-335-1043 Illinois U.S.A.
  • 3123351044 | +1 312-335-1044 Illinois U.S.A.
  • 3123351045 | +1 312-335-1045 Illinois U.S.A.
  • 3123351046 | +1 312-335-1046 Illinois U.S.A.
  • 3123351047 | +1 312-335-1047 Illinois U.S.A.
  • 3123351048 | +1 312-335-1048 Illinois U.S.A.
  • 3123351049 | +1 312-335-1049 Illinois U.S.A.
  • 3123351050 | +1 312-335-1050 Illinois U.S.A.
  • 3123351051 | +1 312-335-1051 Illinois U.S.A.
  • 3123351052 | +1 312-335-1052 Illinois U.S.A.
  • 3123351053 | +1 312-335-1053 Illinois U.S.A.
  • 3123351054 | +1 312-335-1054 Illinois U.S.A.
  • 3123351055 | +1 312-335-1055 Illinois U.S.A.
  • 3123351056 | +1 312-335-1056 Illinois U.S.A.
  • 3123351057 | +1 312-335-1057 Illinois U.S.A.
  • 3123351058 | +1 312-335-1058 Illinois U.S.A.
  • 3123351059 | +1 312-335-1059 Illinois U.S.A.
  • 3123351060 | +1 312-335-1060 Illinois U.S.A.
  • 3123351061 | +1 312-335-1061 Illinois U.S.A.
  • 3123351062 | +1 312-335-1062 Illinois U.S.A.
  • 3123351063 | +1 312-335-1063 Illinois U.S.A.
  • 3123351064 | +1 312-335-1064 Illinois U.S.A.
  • 3123351065 | +1 312-335-1065 Illinois U.S.A.
  • 3123351066 | +1 312-335-1066 Illinois U.S.A.
  • 3123351067 | +1 312-335-1067 Illinois U.S.A.
  • 3123351068 | +1 312-335-1068 Illinois U.S.A.
  • 3123351069 | +1 312-335-1069 Illinois U.S.A.
  • 3123351070 | +1 312-335-1070 Illinois U.S.A.
  • 3123351071 | +1 312-335-1071 Illinois U.S.A.
  • 3123351072 | +1 312-335-1072 Illinois U.S.A.
  • 3123351073 | +1 312-335-1073 Illinois U.S.A.
  • 3123351074 | +1 312-335-1074 Illinois U.S.A.
  • 3123351075 | +1 312-335-1075 Illinois U.S.A.
  • 3123351076 | +1 312-335-1076 Illinois U.S.A.
  • 3123351077 | +1 312-335-1077 Illinois U.S.A.
  • 3123351078 | +1 312-335-1078 Illinois U.S.A.
  • 3123351079 | +1 312-335-1079 Illinois U.S.A.
  • 3123351080 | +1 312-335-1080 Illinois U.S.A.
  • 3123351081 | +1 312-335-1081 Illinois U.S.A.
  • 3123351082 | +1 312-335-1082 Illinois U.S.A.
  • 3123351083 | +1 312-335-1083 Illinois U.S.A.
  • 3123351084 | +1 312-335-1084 Illinois U.S.A.
  • 3123351085 | +1 312-335-1085 Illinois U.S.A.
  • 3123351086 | +1 312-335-1086 Illinois U.S.A.
  • 3123351087 | +1 312-335-1087 Illinois U.S.A.
  • 3123351088 | +1 312-335-1088 Illinois U.S.A.
  • 3123351089 | +1 312-335-1089 Illinois U.S.A.
  • 3123351090 | +1 312-335-1090 Illinois U.S.A.
  • 3123351091 | +1 312-335-1091 Illinois U.S.A.
  • 3123351092 | +1 312-335-1092 Illinois U.S.A.
  • 3123351093 | +1 312-335-1093 Illinois U.S.A.
  • 3123351094 | +1 312-335-1094 Illinois U.S.A.
  • 3123351095 | +1 312-335-1095 Illinois U.S.A.
  • 3123351096 | +1 312-335-1096 Illinois U.S.A.
  • 3123351097 | +1 312-335-1097 Illinois U.S.A.
  • 3123351098 | +1 312-335-1098 Illinois U.S.A.
  • 3123351099 | +1 312-335-1099 Illinois U.S.A.