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).

  • 3123379000 | +1 312-337-9000 Illinois U.S.A.
  • 3123379001 | +1 312-337-9001 Illinois U.S.A.
  • 3123379002 | +1 312-337-9002 Illinois U.S.A.
  • 3123379003 | +1 312-337-9003 Illinois U.S.A.
  • 3123379004 | +1 312-337-9004 Illinois U.S.A.
  • 3123379005 | +1 312-337-9005 Illinois U.S.A.
  • 3123379006 | +1 312-337-9006 Illinois U.S.A.
  • 3123379007 | +1 312-337-9007 Illinois U.S.A.
  • 3123379008 | +1 312-337-9008 Illinois U.S.A.
  • 3123379009 | +1 312-337-9009 Illinois U.S.A.
  • 3123379010 | +1 312-337-9010 Illinois U.S.A.
  • 3123379011 | +1 312-337-9011 Illinois U.S.A.
  • 3123379012 | +1 312-337-9012 Illinois U.S.A.
  • 3123379013 | +1 312-337-9013 Illinois U.S.A.
  • 3123379014 | +1 312-337-9014 Illinois U.S.A.
  • 3123379015 | +1 312-337-9015 Illinois U.S.A.
  • 3123379016 | +1 312-337-9016 Illinois U.S.A.
  • 3123379017 | +1 312-337-9017 Illinois U.S.A.
  • 3123379018 | +1 312-337-9018 Illinois U.S.A.
  • 3123379019 | +1 312-337-9019 Illinois U.S.A.
  • 3123379020 | +1 312-337-9020 Illinois U.S.A.
  • 3123379021 | +1 312-337-9021 Illinois U.S.A.
  • 3123379022 | +1 312-337-9022 Illinois U.S.A.
  • 3123379023 | +1 312-337-9023 Illinois U.S.A.
  • 3123379024 | +1 312-337-9024 Illinois U.S.A.
  • 3123379025 | +1 312-337-9025 Illinois U.S.A.
  • 3123379026 | +1 312-337-9026 Illinois U.S.A.
  • 3123379027 | +1 312-337-9027 Illinois U.S.A.
  • 3123379028 | +1 312-337-9028 Illinois U.S.A.
  • 3123379029 | +1 312-337-9029 Illinois U.S.A.
  • 3123379030 | +1 312-337-9030 Illinois U.S.A.
  • 3123379031 | +1 312-337-9031 Illinois U.S.A.
  • 3123379032 | +1 312-337-9032 Illinois U.S.A.
  • 3123379033 | +1 312-337-9033 Illinois U.S.A.
  • 3123379034 | +1 312-337-9034 Illinois U.S.A.
  • 3123379035 | +1 312-337-9035 Illinois U.S.A.
  • 3123379036 | +1 312-337-9036 Illinois U.S.A.
  • 3123379037 | +1 312-337-9037 Illinois U.S.A.
  • 3123379038 | +1 312-337-9038 Illinois U.S.A.
  • 3123379039 | +1 312-337-9039 Illinois U.S.A.
  • 3123379040 | +1 312-337-9040 Illinois U.S.A.
  • 3123379041 | +1 312-337-9041 Illinois U.S.A.
  • 3123379042 | +1 312-337-9042 Illinois U.S.A.
  • 3123379043 | +1 312-337-9043 Illinois U.S.A.
  • 3123379044 | +1 312-337-9044 Illinois U.S.A.
  • 3123379045 | +1 312-337-9045 Illinois U.S.A.
  • 3123379046 | +1 312-337-9046 Illinois U.S.A.
  • 3123379047 | +1 312-337-9047 Illinois U.S.A.
  • 3123379048 | +1 312-337-9048 Illinois U.S.A.
  • 3123379049 | +1 312-337-9049 Illinois U.S.A.
  • 3123379050 | +1 312-337-9050 Illinois U.S.A.
  • 3123379051 | +1 312-337-9051 Illinois U.S.A.
  • 3123379052 | +1 312-337-9052 Illinois U.S.A.
  • 3123379053 | +1 312-337-9053 Illinois U.S.A.
  • 3123379054 | +1 312-337-9054 Illinois U.S.A.
  • 3123379055 | +1 312-337-9055 Illinois U.S.A.
  • 3123379056 | +1 312-337-9056 Illinois U.S.A.
  • 3123379057 | +1 312-337-9057 Illinois U.S.A.
  • 3123379058 | +1 312-337-9058 Illinois U.S.A.
  • 3123379059 | +1 312-337-9059 Illinois U.S.A.
  • 3123379060 | +1 312-337-9060 Illinois U.S.A.
  • 3123379061 | +1 312-337-9061 Illinois U.S.A.
  • 3123379062 | +1 312-337-9062 Illinois U.S.A.
  • 3123379063 | +1 312-337-9063 Illinois U.S.A.
  • 3123379064 | +1 312-337-9064 Illinois U.S.A.
  • 3123379065 | +1 312-337-9065 Illinois U.S.A.
  • 3123379066 | +1 312-337-9066 Illinois U.S.A.
  • 3123379067 | +1 312-337-9067 Illinois U.S.A.
  • 3123379068 | +1 312-337-9068 Illinois U.S.A.
  • 3123379069 | +1 312-337-9069 Illinois U.S.A.
  • 3123379070 | +1 312-337-9070 Illinois U.S.A.
  • 3123379071 | +1 312-337-9071 Illinois U.S.A.
  • 3123379072 | +1 312-337-9072 Illinois U.S.A.
  • 3123379073 | +1 312-337-9073 Illinois U.S.A.
  • 3123379074 | +1 312-337-9074 Illinois U.S.A.
  • 3123379075 | +1 312-337-9075 Illinois U.S.A.
  • 3123379076 | +1 312-337-9076 Illinois U.S.A.
  • 3123379077 | +1 312-337-9077 Illinois U.S.A.
  • 3123379078 | +1 312-337-9078 Illinois U.S.A.
  • 3123379079 | +1 312-337-9079 Illinois U.S.A.
  • 3123379080 | +1 312-337-9080 Illinois U.S.A.
  • 3123379081 | +1 312-337-9081 Illinois U.S.A.
  • 3123379082 | +1 312-337-9082 Illinois U.S.A.
  • 3123379083 | +1 312-337-9083 Illinois U.S.A.
  • 3123379084 | +1 312-337-9084 Illinois U.S.A.
  • 3123379085 | +1 312-337-9085 Illinois U.S.A.
  • 3123379086 | +1 312-337-9086 Illinois U.S.A.
  • 3123379087 | +1 312-337-9087 Illinois U.S.A.
  • 3123379088 | +1 312-337-9088 Illinois U.S.A.
  • 3123379089 | +1 312-337-9089 Illinois U.S.A.
  • 3123379090 | +1 312-337-9090 Illinois U.S.A.
  • 3123379091 | +1 312-337-9091 Illinois U.S.A.
  • 3123379092 | +1 312-337-9092 Illinois U.S.A.
  • 3123379093 | +1 312-337-9093 Illinois U.S.A.
  • 3123379094 | +1 312-337-9094 Illinois U.S.A.
  • 3123379095 | +1 312-337-9095 Illinois U.S.A.
  • 3123379096 | +1 312-337-9096 Illinois U.S.A.
  • 3123379097 | +1 312-337-9097 Illinois U.S.A.
  • 3123379098 | +1 312-337-9098 Illinois U.S.A.
  • 3123379099 | +1 312-337-9099 Illinois U.S.A.