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).

  • 3127556100 | +1 312-755-6100 Illinois U.S.A.
  • 3127556101 | +1 312-755-6101 Illinois U.S.A.
  • 3127556102 | +1 312-755-6102 Illinois U.S.A.
  • 3127556103 | +1 312-755-6103 Illinois U.S.A.
  • 3127556104 | +1 312-755-6104 Illinois U.S.A.
  • 3127556105 | +1 312-755-6105 Illinois U.S.A.
  • 3127556106 | +1 312-755-6106 Illinois U.S.A.
  • 3127556107 | +1 312-755-6107 Illinois U.S.A.
  • 3127556108 | +1 312-755-6108 Illinois U.S.A.
  • 3127556109 | +1 312-755-6109 Illinois U.S.A.
  • 3127556110 | +1 312-755-6110 Illinois U.S.A.
  • 3127556111 | +1 312-755-6111 Illinois U.S.A.
  • 3127556112 | +1 312-755-6112 Illinois U.S.A.
  • 3127556113 | +1 312-755-6113 Illinois U.S.A.
  • 3127556114 | +1 312-755-6114 Illinois U.S.A.
  • 3127556115 | +1 312-755-6115 Illinois U.S.A.
  • 3127556116 | +1 312-755-6116 Illinois U.S.A.
  • 3127556117 | +1 312-755-6117 Illinois U.S.A.
  • 3127556118 | +1 312-755-6118 Illinois U.S.A.
  • 3127556119 | +1 312-755-6119 Illinois U.S.A.
  • 3127556120 | +1 312-755-6120 Illinois U.S.A.
  • 3127556121 | +1 312-755-6121 Illinois U.S.A.
  • 3127556122 | +1 312-755-6122 Illinois U.S.A.
  • 3127556123 | +1 312-755-6123 Illinois U.S.A.
  • 3127556124 | +1 312-755-6124 Illinois U.S.A.
  • 3127556125 | +1 312-755-6125 Illinois U.S.A.
  • 3127556126 | +1 312-755-6126 Illinois U.S.A.
  • 3127556127 | +1 312-755-6127 Illinois U.S.A.
  • 3127556128 | +1 312-755-6128 Illinois U.S.A.
  • 3127556129 | +1 312-755-6129 Illinois U.S.A.
  • 3127556130 | +1 312-755-6130 Illinois U.S.A.
  • 3127556131 | +1 312-755-6131 Illinois U.S.A.
  • 3127556132 | +1 312-755-6132 Illinois U.S.A.
  • 3127556133 | +1 312-755-6133 Illinois U.S.A.
  • 3127556134 | +1 312-755-6134 Illinois U.S.A.
  • 3127556135 | +1 312-755-6135 Illinois U.S.A.
  • 3127556136 | +1 312-755-6136 Illinois U.S.A.
  • 3127556137 | +1 312-755-6137 Illinois U.S.A.
  • 3127556138 | +1 312-755-6138 Illinois U.S.A.
  • 3127556139 | +1 312-755-6139 Illinois U.S.A.
  • 3127556140 | +1 312-755-6140 Illinois U.S.A.
  • 3127556141 | +1 312-755-6141 Illinois U.S.A.
  • 3127556142 | +1 312-755-6142 Illinois U.S.A.
  • 3127556143 | +1 312-755-6143 Illinois U.S.A.
  • 3127556144 | +1 312-755-6144 Illinois U.S.A.
  • 3127556145 | +1 312-755-6145 Illinois U.S.A.
  • 3127556146 | +1 312-755-6146 Illinois U.S.A.
  • 3127556147 | +1 312-755-6147 Illinois U.S.A.
  • 3127556148 | +1 312-755-6148 Illinois U.S.A.
  • 3127556149 | +1 312-755-6149 Illinois U.S.A.
  • 3127556150 | +1 312-755-6150 Illinois U.S.A.
  • 3127556151 | +1 312-755-6151 Illinois U.S.A.
  • 3127556152 | +1 312-755-6152 Illinois U.S.A.
  • 3127556153 | +1 312-755-6153 Illinois U.S.A.
  • 3127556154 | +1 312-755-6154 Illinois U.S.A.
  • 3127556155 | +1 312-755-6155 Illinois U.S.A.
  • 3127556156 | +1 312-755-6156 Illinois U.S.A.
  • 3127556157 | +1 312-755-6157 Illinois U.S.A.
  • 3127556158 | +1 312-755-6158 Illinois U.S.A.
  • 3127556159 | +1 312-755-6159 Illinois U.S.A.
  • 3127556160 | +1 312-755-6160 Illinois U.S.A.
  • 3127556161 | +1 312-755-6161 Illinois U.S.A.
  • 3127556162 | +1 312-755-6162 Illinois U.S.A.
  • 3127556163 | +1 312-755-6163 Illinois U.S.A.
  • 3127556164 | +1 312-755-6164 Illinois U.S.A.
  • 3127556165 | +1 312-755-6165 Illinois U.S.A.
  • 3127556166 | +1 312-755-6166 Illinois U.S.A.
  • 3127556167 | +1 312-755-6167 Illinois U.S.A.
  • 3127556168 | +1 312-755-6168 Illinois U.S.A.
  • 3127556169 | +1 312-755-6169 Illinois U.S.A.
  • 3127556170 | +1 312-755-6170 Illinois U.S.A.
  • 3127556171 | +1 312-755-6171 Illinois U.S.A.
  • 3127556172 | +1 312-755-6172 Illinois U.S.A.
  • 3127556173 | +1 312-755-6173 Illinois U.S.A.
  • 3127556174 | +1 312-755-6174 Illinois U.S.A.
  • 3127556175 | +1 312-755-6175 Illinois U.S.A.
  • 3127556176 | +1 312-755-6176 Illinois U.S.A.
  • 3127556177 | +1 312-755-6177 Illinois U.S.A.
  • 3127556178 | +1 312-755-6178 Illinois U.S.A.
  • 3127556179 | +1 312-755-6179 Illinois U.S.A.
  • 3127556180 | +1 312-755-6180 Illinois U.S.A.
  • 3127556181 | +1 312-755-6181 Illinois U.S.A.
  • 3127556182 | +1 312-755-6182 Illinois U.S.A.
  • 3127556183 | +1 312-755-6183 Illinois U.S.A.
  • 3127556184 | +1 312-755-6184 Illinois U.S.A.
  • 3127556185 | +1 312-755-6185 Illinois U.S.A.
  • 3127556186 | +1 312-755-6186 Illinois U.S.A.
  • 3127556187 | +1 312-755-6187 Illinois U.S.A.
  • 3127556188 | +1 312-755-6188 Illinois U.S.A.
  • 3127556189 | +1 312-755-6189 Illinois U.S.A.
  • 3127556190 | +1 312-755-6190 Illinois U.S.A.
  • 3127556191 | +1 312-755-6191 Illinois U.S.A.
  • 3127556192 | +1 312-755-6192 Illinois U.S.A.
  • 3127556193 | +1 312-755-6193 Illinois U.S.A.
  • 3127556194 | +1 312-755-6194 Illinois U.S.A.
  • 3127556195 | +1 312-755-6195 Illinois U.S.A.
  • 3127556196 | +1 312-755-6196 Illinois U.S.A.
  • 3127556197 | +1 312-755-6197 Illinois U.S.A.
  • 3127556198 | +1 312-755-6198 Illinois U.S.A.
  • 3127556199 | +1 312-755-6199 Illinois U.S.A.