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).

  • 3128001000 | +1 312-800-1000 Illinois U.S.A.
  • 3128001001 | +1 312-800-1001 Illinois U.S.A.
  • 3128001002 | +1 312-800-1002 Illinois U.S.A.
  • 3128001003 | +1 312-800-1003 Illinois U.S.A.
  • 3128001004 | +1 312-800-1004 Illinois U.S.A.
  • 3128001005 | +1 312-800-1005 Illinois U.S.A.
  • 3128001006 | +1 312-800-1006 Illinois U.S.A.
  • 3128001007 | +1 312-800-1007 Illinois U.S.A.
  • 3128001008 | +1 312-800-1008 Illinois U.S.A.
  • 3128001009 | +1 312-800-1009 Illinois U.S.A.
  • 3128001010 | +1 312-800-1010 Illinois U.S.A.
  • 3128001011 | +1 312-800-1011 Illinois U.S.A.
  • 3128001012 | +1 312-800-1012 Illinois U.S.A.
  • 3128001013 | +1 312-800-1013 Illinois U.S.A.
  • 3128001014 | +1 312-800-1014 Illinois U.S.A.
  • 3128001015 | +1 312-800-1015 Illinois U.S.A.
  • 3128001016 | +1 312-800-1016 Illinois U.S.A.
  • 3128001017 | +1 312-800-1017 Illinois U.S.A.
  • 3128001018 | +1 312-800-1018 Illinois U.S.A.
  • 3128001019 | +1 312-800-1019 Illinois U.S.A.
  • 3128001020 | +1 312-800-1020 Illinois U.S.A.
  • 3128001021 | +1 312-800-1021 Illinois U.S.A.
  • 3128001022 | +1 312-800-1022 Illinois U.S.A.
  • 3128001023 | +1 312-800-1023 Illinois U.S.A.
  • 3128001024 | +1 312-800-1024 Illinois U.S.A.
  • 3128001025 | +1 312-800-1025 Illinois U.S.A.
  • 3128001026 | +1 312-800-1026 Illinois U.S.A.
  • 3128001027 | +1 312-800-1027 Illinois U.S.A.
  • 3128001028 | +1 312-800-1028 Illinois U.S.A.
  • 3128001029 | +1 312-800-1029 Illinois U.S.A.
  • 3128001030 | +1 312-800-1030 Illinois U.S.A.
  • 3128001031 | +1 312-800-1031 Illinois U.S.A.
  • 3128001032 | +1 312-800-1032 Illinois U.S.A.
  • 3128001033 | +1 312-800-1033 Illinois U.S.A.
  • 3128001034 | +1 312-800-1034 Illinois U.S.A.
  • 3128001035 | +1 312-800-1035 Illinois U.S.A.
  • 3128001036 | +1 312-800-1036 Illinois U.S.A.
  • 3128001037 | +1 312-800-1037 Illinois U.S.A.
  • 3128001038 | +1 312-800-1038 Illinois U.S.A.
  • 3128001039 | +1 312-800-1039 Illinois U.S.A.
  • 3128001040 | +1 312-800-1040 Illinois U.S.A.
  • 3128001041 | +1 312-800-1041 Illinois U.S.A.
  • 3128001042 | +1 312-800-1042 Illinois U.S.A.
  • 3128001043 | +1 312-800-1043 Illinois U.S.A.
  • 3128001044 | +1 312-800-1044 Illinois U.S.A.
  • 3128001045 | +1 312-800-1045 Illinois U.S.A.
  • 3128001046 | +1 312-800-1046 Illinois U.S.A.
  • 3128001047 | +1 312-800-1047 Illinois U.S.A.
  • 3128001048 | +1 312-800-1048 Illinois U.S.A.
  • 3128001049 | +1 312-800-1049 Illinois U.S.A.
  • 3128001050 | +1 312-800-1050 Illinois U.S.A.
  • 3128001051 | +1 312-800-1051 Illinois U.S.A.
  • 3128001052 | +1 312-800-1052 Illinois U.S.A.
  • 3128001053 | +1 312-800-1053 Illinois U.S.A.
  • 3128001054 | +1 312-800-1054 Illinois U.S.A.
  • 3128001055 | +1 312-800-1055 Illinois U.S.A.
  • 3128001056 | +1 312-800-1056 Illinois U.S.A.
  • 3128001057 | +1 312-800-1057 Illinois U.S.A.
  • 3128001058 | +1 312-800-1058 Illinois U.S.A.
  • 3128001059 | +1 312-800-1059 Illinois U.S.A.
  • 3128001060 | +1 312-800-1060 Illinois U.S.A.
  • 3128001061 | +1 312-800-1061 Illinois U.S.A.
  • 3128001062 | +1 312-800-1062 Illinois U.S.A.
  • 3128001063 | +1 312-800-1063 Illinois U.S.A.
  • 3128001064 | +1 312-800-1064 Illinois U.S.A.
  • 3128001065 | +1 312-800-1065 Illinois U.S.A.
  • 3128001066 | +1 312-800-1066 Illinois U.S.A.
  • 3128001067 | +1 312-800-1067 Illinois U.S.A.
  • 3128001068 | +1 312-800-1068 Illinois U.S.A.
  • 3128001069 | +1 312-800-1069 Illinois U.S.A.
  • 3128001070 | +1 312-800-1070 Illinois U.S.A.
  • 3128001071 | +1 312-800-1071 Illinois U.S.A.
  • 3128001072 | +1 312-800-1072 Illinois U.S.A.
  • 3128001073 | +1 312-800-1073 Illinois U.S.A.
  • 3128001074 | +1 312-800-1074 Illinois U.S.A.
  • 3128001075 | +1 312-800-1075 Illinois U.S.A.
  • 3128001076 | +1 312-800-1076 Illinois U.S.A.
  • 3128001077 | +1 312-800-1077 Illinois U.S.A.
  • 3128001078 | +1 312-800-1078 Illinois U.S.A.
  • 3128001079 | +1 312-800-1079 Illinois U.S.A.
  • 3128001080 | +1 312-800-1080 Illinois U.S.A.
  • 3128001081 | +1 312-800-1081 Illinois U.S.A.
  • 3128001082 | +1 312-800-1082 Illinois U.S.A.
  • 3128001083 | +1 312-800-1083 Illinois U.S.A.
  • 3128001084 | +1 312-800-1084 Illinois U.S.A.
  • 3128001085 | +1 312-800-1085 Illinois U.S.A.
  • 3128001086 | +1 312-800-1086 Illinois U.S.A.
  • 3128001087 | +1 312-800-1087 Illinois U.S.A.
  • 3128001088 | +1 312-800-1088 Illinois U.S.A.
  • 3128001089 | +1 312-800-1089 Illinois U.S.A.
  • 3128001090 | +1 312-800-1090 Illinois U.S.A.
  • 3128001091 | +1 312-800-1091 Illinois U.S.A.
  • 3128001092 | +1 312-800-1092 Illinois U.S.A.
  • 3128001093 | +1 312-800-1093 Illinois U.S.A.
  • 3128001094 | +1 312-800-1094 Illinois U.S.A.
  • 3128001095 | +1 312-800-1095 Illinois U.S.A.
  • 3128001096 | +1 312-800-1096 Illinois U.S.A.
  • 3128001097 | +1 312-800-1097 Illinois U.S.A.
  • 3128001098 | +1 312-800-1098 Illinois U.S.A.
  • 3128001099 | +1 312-800-1099 Illinois U.S.A.