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).

  • 3127509000 | +1 312-750-9000 Illinois U.S.A.
  • 3127509001 | +1 312-750-9001 Illinois U.S.A.
  • 3127509002 | +1 312-750-9002 Illinois U.S.A.
  • 3127509003 | +1 312-750-9003 Illinois U.S.A.
  • 3127509004 | +1 312-750-9004 Illinois U.S.A.
  • 3127509005 | +1 312-750-9005 Illinois U.S.A.
  • 3127509006 | +1 312-750-9006 Illinois U.S.A.
  • 3127509007 | +1 312-750-9007 Illinois U.S.A.
  • 3127509008 | +1 312-750-9008 Illinois U.S.A.
  • 3127509009 | +1 312-750-9009 Illinois U.S.A.
  • 3127509010 | +1 312-750-9010 Illinois U.S.A.
  • 3127509011 | +1 312-750-9011 Illinois U.S.A.
  • 3127509012 | +1 312-750-9012 Illinois U.S.A.
  • 3127509013 | +1 312-750-9013 Illinois U.S.A.
  • 3127509014 | +1 312-750-9014 Illinois U.S.A.
  • 3127509015 | +1 312-750-9015 Illinois U.S.A.
  • 3127509016 | +1 312-750-9016 Illinois U.S.A.
  • 3127509017 | +1 312-750-9017 Illinois U.S.A.
  • 3127509018 | +1 312-750-9018 Illinois U.S.A.
  • 3127509019 | +1 312-750-9019 Illinois U.S.A.
  • 3127509020 | +1 312-750-9020 Illinois U.S.A.
  • 3127509021 | +1 312-750-9021 Illinois U.S.A.
  • 3127509022 | +1 312-750-9022 Illinois U.S.A.
  • 3127509023 | +1 312-750-9023 Illinois U.S.A.
  • 3127509024 | +1 312-750-9024 Illinois U.S.A.
  • 3127509025 | +1 312-750-9025 Illinois U.S.A.
  • 3127509026 | +1 312-750-9026 Illinois U.S.A.
  • 3127509027 | +1 312-750-9027 Illinois U.S.A.
  • 3127509028 | +1 312-750-9028 Illinois U.S.A.
  • 3127509029 | +1 312-750-9029 Illinois U.S.A.
  • 3127509030 | +1 312-750-9030 Illinois U.S.A.
  • 3127509031 | +1 312-750-9031 Illinois U.S.A.
  • 3127509032 | +1 312-750-9032 Illinois U.S.A.
  • 3127509033 | +1 312-750-9033 Illinois U.S.A.
  • 3127509034 | +1 312-750-9034 Illinois U.S.A.
  • 3127509035 | +1 312-750-9035 Illinois U.S.A.
  • 3127509036 | +1 312-750-9036 Illinois U.S.A.
  • 3127509037 | +1 312-750-9037 Illinois U.S.A.
  • 3127509038 | +1 312-750-9038 Illinois U.S.A.
  • 3127509039 | +1 312-750-9039 Illinois U.S.A.
  • 3127509040 | +1 312-750-9040 Illinois U.S.A.
  • 3127509041 | +1 312-750-9041 Illinois U.S.A.
  • 3127509042 | +1 312-750-9042 Illinois U.S.A.
  • 3127509043 | +1 312-750-9043 Illinois U.S.A.
  • 3127509044 | +1 312-750-9044 Illinois U.S.A.
  • 3127509045 | +1 312-750-9045 Illinois U.S.A.
  • 3127509046 | +1 312-750-9046 Illinois U.S.A.
  • 3127509047 | +1 312-750-9047 Illinois U.S.A.
  • 3127509048 | +1 312-750-9048 Illinois U.S.A.
  • 3127509049 | +1 312-750-9049 Illinois U.S.A.
  • 3127509050 | +1 312-750-9050 Illinois U.S.A.
  • 3127509051 | +1 312-750-9051 Illinois U.S.A.
  • 3127509052 | +1 312-750-9052 Illinois U.S.A.
  • 3127509053 | +1 312-750-9053 Illinois U.S.A.
  • 3127509054 | +1 312-750-9054 Illinois U.S.A.
  • 3127509055 | +1 312-750-9055 Illinois U.S.A.
  • 3127509056 | +1 312-750-9056 Illinois U.S.A.
  • 3127509057 | +1 312-750-9057 Illinois U.S.A.
  • 3127509058 | +1 312-750-9058 Illinois U.S.A.
  • 3127509059 | +1 312-750-9059 Illinois U.S.A.
  • 3127509060 | +1 312-750-9060 Illinois U.S.A.
  • 3127509061 | +1 312-750-9061 Illinois U.S.A.
  • 3127509062 | +1 312-750-9062 Illinois U.S.A.
  • 3127509063 | +1 312-750-9063 Illinois U.S.A.
  • 3127509064 | +1 312-750-9064 Illinois U.S.A.
  • 3127509065 | +1 312-750-9065 Illinois U.S.A.
  • 3127509066 | +1 312-750-9066 Illinois U.S.A.
  • 3127509067 | +1 312-750-9067 Illinois U.S.A.
  • 3127509068 | +1 312-750-9068 Illinois U.S.A.
  • 3127509069 | +1 312-750-9069 Illinois U.S.A.
  • 3127509070 | +1 312-750-9070 Illinois U.S.A.
  • 3127509071 | +1 312-750-9071 Illinois U.S.A.
  • 3127509072 | +1 312-750-9072 Illinois U.S.A.
  • 3127509073 | +1 312-750-9073 Illinois U.S.A.
  • 3127509074 | +1 312-750-9074 Illinois U.S.A.
  • 3127509075 | +1 312-750-9075 Illinois U.S.A.
  • 3127509076 | +1 312-750-9076 Illinois U.S.A.
  • 3127509077 | +1 312-750-9077 Illinois U.S.A.
  • 3127509078 | +1 312-750-9078 Illinois U.S.A.
  • 3127509079 | +1 312-750-9079 Illinois U.S.A.
  • 3127509080 | +1 312-750-9080 Illinois U.S.A.
  • 3127509081 | +1 312-750-9081 Illinois U.S.A.
  • 3127509082 | +1 312-750-9082 Illinois U.S.A.
  • 3127509083 | +1 312-750-9083 Illinois U.S.A.
  • 3127509084 | +1 312-750-9084 Illinois U.S.A.
  • 3127509085 | +1 312-750-9085 Illinois U.S.A.
  • 3127509086 | +1 312-750-9086 Illinois U.S.A.
  • 3127509087 | +1 312-750-9087 Illinois U.S.A.
  • 3127509088 | +1 312-750-9088 Illinois U.S.A.
  • 3127509089 | +1 312-750-9089 Illinois U.S.A.
  • 3127509090 | +1 312-750-9090 Illinois U.S.A.
  • 3127509091 | +1 312-750-9091 Illinois U.S.A.
  • 3127509092 | +1 312-750-9092 Illinois U.S.A.
  • 3127509093 | +1 312-750-9093 Illinois U.S.A.
  • 3127509094 | +1 312-750-9094 Illinois U.S.A.
  • 3127509095 | +1 312-750-9095 Illinois U.S.A.
  • 3127509096 | +1 312-750-9096 Illinois U.S.A.
  • 3127509097 | +1 312-750-9097 Illinois U.S.A.
  • 3127509098 | +1 312-750-9098 Illinois U.S.A.
  • 3127509099 | +1 312-750-9099 Illinois U.S.A.