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).

  • 3123366100 | +1 312-336-6100 Illinois U.S.A.
  • 3123366101 | +1 312-336-6101 Illinois U.S.A.
  • 3123366102 | +1 312-336-6102 Illinois U.S.A.
  • 3123366103 | +1 312-336-6103 Illinois U.S.A.
  • 3123366104 | +1 312-336-6104 Illinois U.S.A.
  • 3123366105 | +1 312-336-6105 Illinois U.S.A.
  • 3123366106 | +1 312-336-6106 Illinois U.S.A.
  • 3123366107 | +1 312-336-6107 Illinois U.S.A.
  • 3123366108 | +1 312-336-6108 Illinois U.S.A.
  • 3123366109 | +1 312-336-6109 Illinois U.S.A.
  • 3123366110 | +1 312-336-6110 Illinois U.S.A.
  • 3123366111 | +1 312-336-6111 Illinois U.S.A.
  • 3123366112 | +1 312-336-6112 Illinois U.S.A.
  • 3123366113 | +1 312-336-6113 Illinois U.S.A.
  • 3123366114 | +1 312-336-6114 Illinois U.S.A.
  • 3123366115 | +1 312-336-6115 Illinois U.S.A.
  • 3123366116 | +1 312-336-6116 Illinois U.S.A.
  • 3123366117 | +1 312-336-6117 Illinois U.S.A.
  • 3123366118 | +1 312-336-6118 Illinois U.S.A.
  • 3123366119 | +1 312-336-6119 Illinois U.S.A.
  • 3123366120 | +1 312-336-6120 Illinois U.S.A.
  • 3123366121 | +1 312-336-6121 Illinois U.S.A.
  • 3123366122 | +1 312-336-6122 Illinois U.S.A.
  • 3123366123 | +1 312-336-6123 Illinois U.S.A.
  • 3123366124 | +1 312-336-6124 Illinois U.S.A.
  • 3123366125 | +1 312-336-6125 Illinois U.S.A.
  • 3123366126 | +1 312-336-6126 Illinois U.S.A.
  • 3123366127 | +1 312-336-6127 Illinois U.S.A.
  • 3123366128 | +1 312-336-6128 Illinois U.S.A.
  • 3123366129 | +1 312-336-6129 Illinois U.S.A.
  • 3123366130 | +1 312-336-6130 Illinois U.S.A.
  • 3123366131 | +1 312-336-6131 Illinois U.S.A.
  • 3123366132 | +1 312-336-6132 Illinois U.S.A.
  • 3123366133 | +1 312-336-6133 Illinois U.S.A.
  • 3123366134 | +1 312-336-6134 Illinois U.S.A.
  • 3123366135 | +1 312-336-6135 Illinois U.S.A.
  • 3123366136 | +1 312-336-6136 Illinois U.S.A.
  • 3123366137 | +1 312-336-6137 Illinois U.S.A.
  • 3123366138 | +1 312-336-6138 Illinois U.S.A.
  • 3123366139 | +1 312-336-6139 Illinois U.S.A.
  • 3123366140 | +1 312-336-6140 Illinois U.S.A.
  • 3123366141 | +1 312-336-6141 Illinois U.S.A.
  • 3123366142 | +1 312-336-6142 Illinois U.S.A.
  • 3123366143 | +1 312-336-6143 Illinois U.S.A.
  • 3123366144 | +1 312-336-6144 Illinois U.S.A.
  • 3123366145 | +1 312-336-6145 Illinois U.S.A.
  • 3123366146 | +1 312-336-6146 Illinois U.S.A.
  • 3123366147 | +1 312-336-6147 Illinois U.S.A.
  • 3123366148 | +1 312-336-6148 Illinois U.S.A.
  • 3123366149 | +1 312-336-6149 Illinois U.S.A.
  • 3123366150 | +1 312-336-6150 Illinois U.S.A.
  • 3123366151 | +1 312-336-6151 Illinois U.S.A.
  • 3123366152 | +1 312-336-6152 Illinois U.S.A.
  • 3123366153 | +1 312-336-6153 Illinois U.S.A.
  • 3123366154 | +1 312-336-6154 Illinois U.S.A.
  • 3123366155 | +1 312-336-6155 Illinois U.S.A.
  • 3123366156 | +1 312-336-6156 Illinois U.S.A.
  • 3123366157 | +1 312-336-6157 Illinois U.S.A.
  • 3123366158 | +1 312-336-6158 Illinois U.S.A.
  • 3123366159 | +1 312-336-6159 Illinois U.S.A.
  • 3123366160 | +1 312-336-6160 Illinois U.S.A.
  • 3123366161 | +1 312-336-6161 Illinois U.S.A.
  • 3123366162 | +1 312-336-6162 Illinois U.S.A.
  • 3123366163 | +1 312-336-6163 Illinois U.S.A.
  • 3123366164 | +1 312-336-6164 Illinois U.S.A.
  • 3123366165 | +1 312-336-6165 Illinois U.S.A.
  • 3123366166 | +1 312-336-6166 Illinois U.S.A.
  • 3123366167 | +1 312-336-6167 Illinois U.S.A.
  • 3123366168 | +1 312-336-6168 Illinois U.S.A.
  • 3123366169 | +1 312-336-6169 Illinois U.S.A.
  • 3123366170 | +1 312-336-6170 Illinois U.S.A.
  • 3123366171 | +1 312-336-6171 Illinois U.S.A.
  • 3123366172 | +1 312-336-6172 Illinois U.S.A.
  • 3123366173 | +1 312-336-6173 Illinois U.S.A.
  • 3123366174 | +1 312-336-6174 Illinois U.S.A.
  • 3123366175 | +1 312-336-6175 Illinois U.S.A.
  • 3123366176 | +1 312-336-6176 Illinois U.S.A.
  • 3123366177 | +1 312-336-6177 Illinois U.S.A.
  • 3123366178 | +1 312-336-6178 Illinois U.S.A.
  • 3123366179 | +1 312-336-6179 Illinois U.S.A.
  • 3123366180 | +1 312-336-6180 Illinois U.S.A.
  • 3123366181 | +1 312-336-6181 Illinois U.S.A.
  • 3123366182 | +1 312-336-6182 Illinois U.S.A.
  • 3123366183 | +1 312-336-6183 Illinois U.S.A.
  • 3123366184 | +1 312-336-6184 Illinois U.S.A.
  • 3123366185 | +1 312-336-6185 Illinois U.S.A.
  • 3123366186 | +1 312-336-6186 Illinois U.S.A.
  • 3123366187 | +1 312-336-6187 Illinois U.S.A.
  • 3123366188 | +1 312-336-6188 Illinois U.S.A.
  • 3123366189 | +1 312-336-6189 Illinois U.S.A.
  • 3123366190 | +1 312-336-6190 Illinois U.S.A.
  • 3123366191 | +1 312-336-6191 Illinois U.S.A.
  • 3123366192 | +1 312-336-6192 Illinois U.S.A.
  • 3123366193 | +1 312-336-6193 Illinois U.S.A.
  • 3123366194 | +1 312-336-6194 Illinois U.S.A.
  • 3123366195 | +1 312-336-6195 Illinois U.S.A.
  • 3123366196 | +1 312-336-6196 Illinois U.S.A.
  • 3123366197 | +1 312-336-6197 Illinois U.S.A.
  • 3123366198 | +1 312-336-6198 Illinois U.S.A.
  • 3123366199 | +1 312-336-6199 Illinois U.S.A.