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).

  • 3122454100 | +1 312-245-4100 Illinois U.S.A.
  • 3122454101 | +1 312-245-4101 Illinois U.S.A.
  • 3122454102 | +1 312-245-4102 Illinois U.S.A.
  • 3122454103 | +1 312-245-4103 Illinois U.S.A.
  • 3122454104 | +1 312-245-4104 Illinois U.S.A.
  • 3122454105 | +1 312-245-4105 Illinois U.S.A.
  • 3122454106 | +1 312-245-4106 Illinois U.S.A.
  • 3122454107 | +1 312-245-4107 Illinois U.S.A.
  • 3122454108 | +1 312-245-4108 Illinois U.S.A.
  • 3122454109 | +1 312-245-4109 Illinois U.S.A.
  • 3122454110 | +1 312-245-4110 Illinois U.S.A.
  • 3122454111 | +1 312-245-4111 Illinois U.S.A.
  • 3122454112 | +1 312-245-4112 Illinois U.S.A.
  • 3122454113 | +1 312-245-4113 Illinois U.S.A.
  • 3122454114 | +1 312-245-4114 Illinois U.S.A.
  • 3122454115 | +1 312-245-4115 Illinois U.S.A.
  • 3122454116 | +1 312-245-4116 Illinois U.S.A.
  • 3122454117 | +1 312-245-4117 Illinois U.S.A.
  • 3122454118 | +1 312-245-4118 Illinois U.S.A.
  • 3122454119 | +1 312-245-4119 Illinois U.S.A.
  • 3122454120 | +1 312-245-4120 Illinois U.S.A.
  • 3122454121 | +1 312-245-4121 Illinois U.S.A.
  • 3122454122 | +1 312-245-4122 Illinois U.S.A.
  • 3122454123 | +1 312-245-4123 Illinois U.S.A.
  • 3122454124 | +1 312-245-4124 Illinois U.S.A.
  • 3122454125 | +1 312-245-4125 Illinois U.S.A.
  • 3122454126 | +1 312-245-4126 Illinois U.S.A.
  • 3122454127 | +1 312-245-4127 Illinois U.S.A.
  • 3122454128 | +1 312-245-4128 Illinois U.S.A.
  • 3122454129 | +1 312-245-4129 Illinois U.S.A.
  • 3122454130 | +1 312-245-4130 Illinois U.S.A.
  • 3122454131 | +1 312-245-4131 Illinois U.S.A.
  • 3122454132 | +1 312-245-4132 Illinois U.S.A.
  • 3122454133 | +1 312-245-4133 Illinois U.S.A.
  • 3122454134 | +1 312-245-4134 Illinois U.S.A.
  • 3122454135 | +1 312-245-4135 Illinois U.S.A.
  • 3122454136 | +1 312-245-4136 Illinois U.S.A.
  • 3122454137 | +1 312-245-4137 Illinois U.S.A.
  • 3122454138 | +1 312-245-4138 Illinois U.S.A.
  • 3122454139 | +1 312-245-4139 Illinois U.S.A.
  • 3122454140 | +1 312-245-4140 Illinois U.S.A.
  • 3122454141 | +1 312-245-4141 Illinois U.S.A.
  • 3122454142 | +1 312-245-4142 Illinois U.S.A.
  • 3122454143 | +1 312-245-4143 Illinois U.S.A.
  • 3122454144 | +1 312-245-4144 Illinois U.S.A.
  • 3122454145 | +1 312-245-4145 Illinois U.S.A.
  • 3122454146 | +1 312-245-4146 Illinois U.S.A.
  • 3122454147 | +1 312-245-4147 Illinois U.S.A.
  • 3122454148 | +1 312-245-4148 Illinois U.S.A.
  • 3122454149 | +1 312-245-4149 Illinois U.S.A.
  • 3122454150 | +1 312-245-4150 Illinois U.S.A.
  • 3122454151 | +1 312-245-4151 Illinois U.S.A.
  • 3122454152 | +1 312-245-4152 Illinois U.S.A.
  • 3122454153 | +1 312-245-4153 Illinois U.S.A.
  • 3122454154 | +1 312-245-4154 Illinois U.S.A.
  • 3122454155 | +1 312-245-4155 Illinois U.S.A.
  • 3122454156 | +1 312-245-4156 Illinois U.S.A.
  • 3122454157 | +1 312-245-4157 Illinois U.S.A.
  • 3122454158 | +1 312-245-4158 Illinois U.S.A.
  • 3122454159 | +1 312-245-4159 Illinois U.S.A.
  • 3122454160 | +1 312-245-4160 Illinois U.S.A.
  • 3122454161 | +1 312-245-4161 Illinois U.S.A.
  • 3122454162 | +1 312-245-4162 Illinois U.S.A.
  • 3122454163 | +1 312-245-4163 Illinois U.S.A.
  • 3122454164 | +1 312-245-4164 Illinois U.S.A.
  • 3122454165 | +1 312-245-4165 Illinois U.S.A.
  • 3122454166 | +1 312-245-4166 Illinois U.S.A.
  • 3122454167 | +1 312-245-4167 Illinois U.S.A.
  • 3122454168 | +1 312-245-4168 Illinois U.S.A.
  • 3122454169 | +1 312-245-4169 Illinois U.S.A.
  • 3122454170 | +1 312-245-4170 Illinois U.S.A.
  • 3122454171 | +1 312-245-4171 Illinois U.S.A.
  • 3122454172 | +1 312-245-4172 Illinois U.S.A.
  • 3122454173 | +1 312-245-4173 Illinois U.S.A.
  • 3122454174 | +1 312-245-4174 Illinois U.S.A.
  • 3122454175 | +1 312-245-4175 Illinois U.S.A.
  • 3122454176 | +1 312-245-4176 Illinois U.S.A.
  • 3122454177 | +1 312-245-4177 Illinois U.S.A.
  • 3122454178 | +1 312-245-4178 Illinois U.S.A.
  • 3122454179 | +1 312-245-4179 Illinois U.S.A.
  • 3122454180 | +1 312-245-4180 Illinois U.S.A.
  • 3122454181 | +1 312-245-4181 Illinois U.S.A.
  • 3122454182 | +1 312-245-4182 Illinois U.S.A.
  • 3122454183 | +1 312-245-4183 Illinois U.S.A.
  • 3122454184 | +1 312-245-4184 Illinois U.S.A.
  • 3122454185 | +1 312-245-4185 Illinois U.S.A.
  • 3122454186 | +1 312-245-4186 Illinois U.S.A.
  • 3122454187 | +1 312-245-4187 Illinois U.S.A.
  • 3122454188 | +1 312-245-4188 Illinois U.S.A.
  • 3122454189 | +1 312-245-4189 Illinois U.S.A.
  • 3122454190 | +1 312-245-4190 Illinois U.S.A.
  • 3122454191 | +1 312-245-4191 Illinois U.S.A.
  • 3122454192 | +1 312-245-4192 Illinois U.S.A.
  • 3122454193 | +1 312-245-4193 Illinois U.S.A.
  • 3122454194 | +1 312-245-4194 Illinois U.S.A.
  • 3122454195 | +1 312-245-4195 Illinois U.S.A.
  • 3122454196 | +1 312-245-4196 Illinois U.S.A.
  • 3122454197 | +1 312-245-4197 Illinois U.S.A.
  • 3122454198 | +1 312-245-4198 Illinois U.S.A.
  • 3122454199 | +1 312-245-4199 Illinois U.S.A.