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).

  • 3128361000 | +1 312-836-1000 Illinois U.S.A.
  • 3128361001 | +1 312-836-1001 Illinois U.S.A.
  • 3128361002 | +1 312-836-1002 Illinois U.S.A.
  • 3128361003 | +1 312-836-1003 Illinois U.S.A.
  • 3128361004 | +1 312-836-1004 Illinois U.S.A.
  • 3128361005 | +1 312-836-1005 Illinois U.S.A.
  • 3128361006 | +1 312-836-1006 Illinois U.S.A.
  • 3128361007 | +1 312-836-1007 Illinois U.S.A.
  • 3128361008 | +1 312-836-1008 Illinois U.S.A.
  • 3128361009 | +1 312-836-1009 Illinois U.S.A.
  • 3128361010 | +1 312-836-1010 Illinois U.S.A.
  • 3128361011 | +1 312-836-1011 Illinois U.S.A.
  • 3128361012 | +1 312-836-1012 Illinois U.S.A.
  • 3128361013 | +1 312-836-1013 Illinois U.S.A.
  • 3128361014 | +1 312-836-1014 Illinois U.S.A.
  • 3128361015 | +1 312-836-1015 Illinois U.S.A.
  • 3128361016 | +1 312-836-1016 Illinois U.S.A.
  • 3128361017 | +1 312-836-1017 Illinois U.S.A.
  • 3128361018 | +1 312-836-1018 Illinois U.S.A.
  • 3128361019 | +1 312-836-1019 Illinois U.S.A.
  • 3128361020 | +1 312-836-1020 Illinois U.S.A.
  • 3128361021 | +1 312-836-1021 Illinois U.S.A.
  • 3128361022 | +1 312-836-1022 Illinois U.S.A.
  • 3128361023 | +1 312-836-1023 Illinois U.S.A.
  • 3128361024 | +1 312-836-1024 Illinois U.S.A.
  • 3128361025 | +1 312-836-1025 Illinois U.S.A.
  • 3128361026 | +1 312-836-1026 Illinois U.S.A.
  • 3128361027 | +1 312-836-1027 Illinois U.S.A.
  • 3128361028 | +1 312-836-1028 Illinois U.S.A.
  • 3128361029 | +1 312-836-1029 Illinois U.S.A.
  • 3128361030 | +1 312-836-1030 Illinois U.S.A.
  • 3128361031 | +1 312-836-1031 Illinois U.S.A.
  • 3128361032 | +1 312-836-1032 Illinois U.S.A.
  • 3128361033 | +1 312-836-1033 Illinois U.S.A.
  • 3128361034 | +1 312-836-1034 Illinois U.S.A.
  • 3128361035 | +1 312-836-1035 Illinois U.S.A.
  • 3128361036 | +1 312-836-1036 Illinois U.S.A.
  • 3128361037 | +1 312-836-1037 Illinois U.S.A.
  • 3128361038 | +1 312-836-1038 Illinois U.S.A.
  • 3128361039 | +1 312-836-1039 Illinois U.S.A.
  • 3128361040 | +1 312-836-1040 Illinois U.S.A.
  • 3128361041 | +1 312-836-1041 Illinois U.S.A.
  • 3128361042 | +1 312-836-1042 Illinois U.S.A.
  • 3128361043 | +1 312-836-1043 Illinois U.S.A.
  • 3128361044 | +1 312-836-1044 Illinois U.S.A.
  • 3128361045 | +1 312-836-1045 Illinois U.S.A.
  • 3128361046 | +1 312-836-1046 Illinois U.S.A.
  • 3128361047 | +1 312-836-1047 Illinois U.S.A.
  • 3128361048 | +1 312-836-1048 Illinois U.S.A.
  • 3128361049 | +1 312-836-1049 Illinois U.S.A.
  • 3128361050 | +1 312-836-1050 Illinois U.S.A.
  • 3128361051 | +1 312-836-1051 Illinois U.S.A.
  • 3128361052 | +1 312-836-1052 Illinois U.S.A.
  • 3128361053 | +1 312-836-1053 Illinois U.S.A.
  • 3128361054 | +1 312-836-1054 Illinois U.S.A.
  • 3128361055 | +1 312-836-1055 Illinois U.S.A.
  • 3128361056 | +1 312-836-1056 Illinois U.S.A.
  • 3128361057 | +1 312-836-1057 Illinois U.S.A.
  • 3128361058 | +1 312-836-1058 Illinois U.S.A.
  • 3128361059 | +1 312-836-1059 Illinois U.S.A.
  • 3128361060 | +1 312-836-1060 Illinois U.S.A.
  • 3128361061 | +1 312-836-1061 Illinois U.S.A.
  • 3128361062 | +1 312-836-1062 Illinois U.S.A.
  • 3128361063 | +1 312-836-1063 Illinois U.S.A.
  • 3128361064 | +1 312-836-1064 Illinois U.S.A.
  • 3128361065 | +1 312-836-1065 Illinois U.S.A.
  • 3128361066 | +1 312-836-1066 Illinois U.S.A.
  • 3128361067 | +1 312-836-1067 Illinois U.S.A.
  • 3128361068 | +1 312-836-1068 Illinois U.S.A.
  • 3128361069 | +1 312-836-1069 Illinois U.S.A.
  • 3128361070 | +1 312-836-1070 Illinois U.S.A.
  • 3128361071 | +1 312-836-1071 Illinois U.S.A.
  • 3128361072 | +1 312-836-1072 Illinois U.S.A.
  • 3128361073 | +1 312-836-1073 Illinois U.S.A.
  • 3128361074 | +1 312-836-1074 Illinois U.S.A.
  • 3128361075 | +1 312-836-1075 Illinois U.S.A.
  • 3128361076 | +1 312-836-1076 Illinois U.S.A.
  • 3128361077 | +1 312-836-1077 Illinois U.S.A.
  • 3128361078 | +1 312-836-1078 Illinois U.S.A.
  • 3128361079 | +1 312-836-1079 Illinois U.S.A.
  • 3128361080 | +1 312-836-1080 Illinois U.S.A.
  • 3128361081 | +1 312-836-1081 Illinois U.S.A.
  • 3128361082 | +1 312-836-1082 Illinois U.S.A.
  • 3128361083 | +1 312-836-1083 Illinois U.S.A.
  • 3128361084 | +1 312-836-1084 Illinois U.S.A.
  • 3128361085 | +1 312-836-1085 Illinois U.S.A.
  • 3128361086 | +1 312-836-1086 Illinois U.S.A.
  • 3128361087 | +1 312-836-1087 Illinois U.S.A.
  • 3128361088 | +1 312-836-1088 Illinois U.S.A.
  • 3128361089 | +1 312-836-1089 Illinois U.S.A.
  • 3128361090 | +1 312-836-1090 Illinois U.S.A.
  • 3128361091 | +1 312-836-1091 Illinois U.S.A.
  • 3128361092 | +1 312-836-1092 Illinois U.S.A.
  • 3128361093 | +1 312-836-1093 Illinois U.S.A.
  • 3128361094 | +1 312-836-1094 Illinois U.S.A.
  • 3128361095 | +1 312-836-1095 Illinois U.S.A.
  • 3128361096 | +1 312-836-1096 Illinois U.S.A.
  • 3128361097 | +1 312-836-1097 Illinois U.S.A.
  • 3128361098 | +1 312-836-1098 Illinois U.S.A.
  • 3128361099 | +1 312-836-1099 Illinois U.S.A.