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).

  • 3125666100 | +1 312-566-6100 Illinois U.S.A.
  • 3125666101 | +1 312-566-6101 Illinois U.S.A.
  • 3125666102 | +1 312-566-6102 Illinois U.S.A.
  • 3125666103 | +1 312-566-6103 Illinois U.S.A.
  • 3125666104 | +1 312-566-6104 Illinois U.S.A.
  • 3125666105 | +1 312-566-6105 Illinois U.S.A.
  • 3125666106 | +1 312-566-6106 Illinois U.S.A.
  • 3125666107 | +1 312-566-6107 Illinois U.S.A.
  • 3125666108 | +1 312-566-6108 Illinois U.S.A.
  • 3125666109 | +1 312-566-6109 Illinois U.S.A.
  • 3125666110 | +1 312-566-6110 Illinois U.S.A.
  • 3125666111 | +1 312-566-6111 Illinois U.S.A.
  • 3125666112 | +1 312-566-6112 Illinois U.S.A.
  • 3125666113 | +1 312-566-6113 Illinois U.S.A.
  • 3125666114 | +1 312-566-6114 Illinois U.S.A.
  • 3125666115 | +1 312-566-6115 Illinois U.S.A.
  • 3125666116 | +1 312-566-6116 Illinois U.S.A.
  • 3125666117 | +1 312-566-6117 Illinois U.S.A.
  • 3125666118 | +1 312-566-6118 Illinois U.S.A.
  • 3125666119 | +1 312-566-6119 Illinois U.S.A.
  • 3125666120 | +1 312-566-6120 Illinois U.S.A.
  • 3125666121 | +1 312-566-6121 Illinois U.S.A.
  • 3125666122 | +1 312-566-6122 Illinois U.S.A.
  • 3125666123 | +1 312-566-6123 Illinois U.S.A.
  • 3125666124 | +1 312-566-6124 Illinois U.S.A.
  • 3125666125 | +1 312-566-6125 Illinois U.S.A.
  • 3125666126 | +1 312-566-6126 Illinois U.S.A.
  • 3125666127 | +1 312-566-6127 Illinois U.S.A.
  • 3125666128 | +1 312-566-6128 Illinois U.S.A.
  • 3125666129 | +1 312-566-6129 Illinois U.S.A.
  • 3125666130 | +1 312-566-6130 Illinois U.S.A.
  • 3125666131 | +1 312-566-6131 Illinois U.S.A.
  • 3125666132 | +1 312-566-6132 Illinois U.S.A.
  • 3125666133 | +1 312-566-6133 Illinois U.S.A.
  • 3125666134 | +1 312-566-6134 Illinois U.S.A.
  • 3125666135 | +1 312-566-6135 Illinois U.S.A.
  • 3125666136 | +1 312-566-6136 Illinois U.S.A.
  • 3125666137 | +1 312-566-6137 Illinois U.S.A.
  • 3125666138 | +1 312-566-6138 Illinois U.S.A.
  • 3125666139 | +1 312-566-6139 Illinois U.S.A.
  • 3125666140 | +1 312-566-6140 Illinois U.S.A.
  • 3125666141 | +1 312-566-6141 Illinois U.S.A.
  • 3125666142 | +1 312-566-6142 Illinois U.S.A.
  • 3125666143 | +1 312-566-6143 Illinois U.S.A.
  • 3125666144 | +1 312-566-6144 Illinois U.S.A.
  • 3125666145 | +1 312-566-6145 Illinois U.S.A.
  • 3125666146 | +1 312-566-6146 Illinois U.S.A.
  • 3125666147 | +1 312-566-6147 Illinois U.S.A.
  • 3125666148 | +1 312-566-6148 Illinois U.S.A.
  • 3125666149 | +1 312-566-6149 Illinois U.S.A.
  • 3125666150 | +1 312-566-6150 Illinois U.S.A.
  • 3125666151 | +1 312-566-6151 Illinois U.S.A.
  • 3125666152 | +1 312-566-6152 Illinois U.S.A.
  • 3125666153 | +1 312-566-6153 Illinois U.S.A.
  • 3125666154 | +1 312-566-6154 Illinois U.S.A.
  • 3125666155 | +1 312-566-6155 Illinois U.S.A.
  • 3125666156 | +1 312-566-6156 Illinois U.S.A.
  • 3125666157 | +1 312-566-6157 Illinois U.S.A.
  • 3125666158 | +1 312-566-6158 Illinois U.S.A.
  • 3125666159 | +1 312-566-6159 Illinois U.S.A.
  • 3125666160 | +1 312-566-6160 Illinois U.S.A.
  • 3125666161 | +1 312-566-6161 Illinois U.S.A.
  • 3125666162 | +1 312-566-6162 Illinois U.S.A.
  • 3125666163 | +1 312-566-6163 Illinois U.S.A.
  • 3125666164 | +1 312-566-6164 Illinois U.S.A.
  • 3125666165 | +1 312-566-6165 Illinois U.S.A.
  • 3125666166 | +1 312-566-6166 Illinois U.S.A.
  • 3125666167 | +1 312-566-6167 Illinois U.S.A.
  • 3125666168 | +1 312-566-6168 Illinois U.S.A.
  • 3125666169 | +1 312-566-6169 Illinois U.S.A.
  • 3125666170 | +1 312-566-6170 Illinois U.S.A.
  • 3125666171 | +1 312-566-6171 Illinois U.S.A.
  • 3125666172 | +1 312-566-6172 Illinois U.S.A.
  • 3125666173 | +1 312-566-6173 Illinois U.S.A.
  • 3125666174 | +1 312-566-6174 Illinois U.S.A.
  • 3125666175 | +1 312-566-6175 Illinois U.S.A.
  • 3125666176 | +1 312-566-6176 Illinois U.S.A.
  • 3125666177 | +1 312-566-6177 Illinois U.S.A.
  • 3125666178 | +1 312-566-6178 Illinois U.S.A.
  • 3125666179 | +1 312-566-6179 Illinois U.S.A.
  • 3125666180 | +1 312-566-6180 Illinois U.S.A.
  • 3125666181 | +1 312-566-6181 Illinois U.S.A.
  • 3125666182 | +1 312-566-6182 Illinois U.S.A.
  • 3125666183 | +1 312-566-6183 Illinois U.S.A.
  • 3125666184 | +1 312-566-6184 Illinois U.S.A.
  • 3125666185 | +1 312-566-6185 Illinois U.S.A.
  • 3125666186 | +1 312-566-6186 Illinois U.S.A.
  • 3125666187 | +1 312-566-6187 Illinois U.S.A.
  • 3125666188 | +1 312-566-6188 Illinois U.S.A.
  • 3125666189 | +1 312-566-6189 Illinois U.S.A.
  • 3125666190 | +1 312-566-6190 Illinois U.S.A.
  • 3125666191 | +1 312-566-6191 Illinois U.S.A.
  • 3125666192 | +1 312-566-6192 Illinois U.S.A.
  • 3125666193 | +1 312-566-6193 Illinois U.S.A.
  • 3125666194 | +1 312-566-6194 Illinois U.S.A.
  • 3125666195 | +1 312-566-6195 Illinois U.S.A.
  • 3125666196 | +1 312-566-6196 Illinois U.S.A.
  • 3125666197 | +1 312-566-6197 Illinois U.S.A.
  • 3125666198 | +1 312-566-6198 Illinois U.S.A.
  • 3125666199 | +1 312-566-6199 Illinois U.S.A.