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).

  • 3124724000 | +1 312-472-4000 Illinois U.S.A.
  • 3124724001 | +1 312-472-4001 Illinois U.S.A.
  • 3124724002 | +1 312-472-4002 Illinois U.S.A.
  • 3124724003 | +1 312-472-4003 Illinois U.S.A.
  • 3124724004 | +1 312-472-4004 Illinois U.S.A.
  • 3124724005 | +1 312-472-4005 Illinois U.S.A.
  • 3124724006 | +1 312-472-4006 Illinois U.S.A.
  • 3124724007 | +1 312-472-4007 Illinois U.S.A.
  • 3124724008 | +1 312-472-4008 Illinois U.S.A.
  • 3124724009 | +1 312-472-4009 Illinois U.S.A.
  • 3124724010 | +1 312-472-4010 Illinois U.S.A.
  • 3124724011 | +1 312-472-4011 Illinois U.S.A.
  • 3124724012 | +1 312-472-4012 Illinois U.S.A.
  • 3124724013 | +1 312-472-4013 Illinois U.S.A.
  • 3124724014 | +1 312-472-4014 Illinois U.S.A.
  • 3124724015 | +1 312-472-4015 Illinois U.S.A.
  • 3124724016 | +1 312-472-4016 Illinois U.S.A.
  • 3124724017 | +1 312-472-4017 Illinois U.S.A.
  • 3124724018 | +1 312-472-4018 Illinois U.S.A.
  • 3124724019 | +1 312-472-4019 Illinois U.S.A.
  • 3124724020 | +1 312-472-4020 Illinois U.S.A.
  • 3124724021 | +1 312-472-4021 Illinois U.S.A.
  • 3124724022 | +1 312-472-4022 Illinois U.S.A.
  • 3124724023 | +1 312-472-4023 Illinois U.S.A.
  • 3124724024 | +1 312-472-4024 Illinois U.S.A.
  • 3124724025 | +1 312-472-4025 Illinois U.S.A.
  • 3124724026 | +1 312-472-4026 Illinois U.S.A.
  • 3124724027 | +1 312-472-4027 Illinois U.S.A.
  • 3124724028 | +1 312-472-4028 Illinois U.S.A.
  • 3124724029 | +1 312-472-4029 Illinois U.S.A.
  • 3124724030 | +1 312-472-4030 Illinois U.S.A.
  • 3124724031 | +1 312-472-4031 Illinois U.S.A.
  • 3124724032 | +1 312-472-4032 Illinois U.S.A.
  • 3124724033 | +1 312-472-4033 Illinois U.S.A.
  • 3124724034 | +1 312-472-4034 Illinois U.S.A.
  • 3124724035 | +1 312-472-4035 Illinois U.S.A.
  • 3124724036 | +1 312-472-4036 Illinois U.S.A.
  • 3124724037 | +1 312-472-4037 Illinois U.S.A.
  • 3124724038 | +1 312-472-4038 Illinois U.S.A.
  • 3124724039 | +1 312-472-4039 Illinois U.S.A.
  • 3124724040 | +1 312-472-4040 Illinois U.S.A.
  • 3124724041 | +1 312-472-4041 Illinois U.S.A.
  • 3124724042 | +1 312-472-4042 Illinois U.S.A.
  • 3124724043 | +1 312-472-4043 Illinois U.S.A.
  • 3124724044 | +1 312-472-4044 Illinois U.S.A.
  • 3124724045 | +1 312-472-4045 Illinois U.S.A.
  • 3124724046 | +1 312-472-4046 Illinois U.S.A.
  • 3124724047 | +1 312-472-4047 Illinois U.S.A.
  • 3124724048 | +1 312-472-4048 Illinois U.S.A.
  • 3124724049 | +1 312-472-4049 Illinois U.S.A.
  • 3124724050 | +1 312-472-4050 Illinois U.S.A.
  • 3124724051 | +1 312-472-4051 Illinois U.S.A.
  • 3124724052 | +1 312-472-4052 Illinois U.S.A.
  • 3124724053 | +1 312-472-4053 Illinois U.S.A.
  • 3124724054 | +1 312-472-4054 Illinois U.S.A.
  • 3124724055 | +1 312-472-4055 Illinois U.S.A.
  • 3124724056 | +1 312-472-4056 Illinois U.S.A.
  • 3124724057 | +1 312-472-4057 Illinois U.S.A.
  • 3124724058 | +1 312-472-4058 Illinois U.S.A.
  • 3124724059 | +1 312-472-4059 Illinois U.S.A.
  • 3124724060 | +1 312-472-4060 Illinois U.S.A.
  • 3124724061 | +1 312-472-4061 Illinois U.S.A.
  • 3124724062 | +1 312-472-4062 Illinois U.S.A.
  • 3124724063 | +1 312-472-4063 Illinois U.S.A.
  • 3124724064 | +1 312-472-4064 Illinois U.S.A.
  • 3124724065 | +1 312-472-4065 Illinois U.S.A.
  • 3124724066 | +1 312-472-4066 Illinois U.S.A.
  • 3124724067 | +1 312-472-4067 Illinois U.S.A.
  • 3124724068 | +1 312-472-4068 Illinois U.S.A.
  • 3124724069 | +1 312-472-4069 Illinois U.S.A.
  • 3124724070 | +1 312-472-4070 Illinois U.S.A.
  • 3124724071 | +1 312-472-4071 Illinois U.S.A.
  • 3124724072 | +1 312-472-4072 Illinois U.S.A.
  • 3124724073 | +1 312-472-4073 Illinois U.S.A.
  • 3124724074 | +1 312-472-4074 Illinois U.S.A.
  • 3124724075 | +1 312-472-4075 Illinois U.S.A.
  • 3124724076 | +1 312-472-4076 Illinois U.S.A.
  • 3124724077 | +1 312-472-4077 Illinois U.S.A.
  • 3124724078 | +1 312-472-4078 Illinois U.S.A.
  • 3124724079 | +1 312-472-4079 Illinois U.S.A.
  • 3124724080 | +1 312-472-4080 Illinois U.S.A.
  • 3124724081 | +1 312-472-4081 Illinois U.S.A.
  • 3124724082 | +1 312-472-4082 Illinois U.S.A.
  • 3124724083 | +1 312-472-4083 Illinois U.S.A.
  • 3124724084 | +1 312-472-4084 Illinois U.S.A.
  • 3124724085 | +1 312-472-4085 Illinois U.S.A.
  • 3124724086 | +1 312-472-4086 Illinois U.S.A.
  • 3124724087 | +1 312-472-4087 Illinois U.S.A.
  • 3124724088 | +1 312-472-4088 Illinois U.S.A.
  • 3124724089 | +1 312-472-4089 Illinois U.S.A.
  • 3124724090 | +1 312-472-4090 Illinois U.S.A.
  • 3124724091 | +1 312-472-4091 Illinois U.S.A.
  • 3124724092 | +1 312-472-4092 Illinois U.S.A.
  • 3124724093 | +1 312-472-4093 Illinois U.S.A.
  • 3124724094 | +1 312-472-4094 Illinois U.S.A.
  • 3124724095 | +1 312-472-4095 Illinois U.S.A.
  • 3124724096 | +1 312-472-4096 Illinois U.S.A.
  • 3124724097 | +1 312-472-4097 Illinois U.S.A.
  • 3124724098 | +1 312-472-4098 Illinois U.S.A.
  • 3124724099 | +1 312-472-4099 Illinois U.S.A.