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).

  • 3125566100 | +1 312-556-6100 Illinois U.S.A.
  • 3125566101 | +1 312-556-6101 Illinois U.S.A.
  • 3125566102 | +1 312-556-6102 Illinois U.S.A.
  • 3125566103 | +1 312-556-6103 Illinois U.S.A.
  • 3125566104 | +1 312-556-6104 Illinois U.S.A.
  • 3125566105 | +1 312-556-6105 Illinois U.S.A.
  • 3125566106 | +1 312-556-6106 Illinois U.S.A.
  • 3125566107 | +1 312-556-6107 Illinois U.S.A.
  • 3125566108 | +1 312-556-6108 Illinois U.S.A.
  • 3125566109 | +1 312-556-6109 Illinois U.S.A.
  • 3125566110 | +1 312-556-6110 Illinois U.S.A.
  • 3125566111 | +1 312-556-6111 Illinois U.S.A.
  • 3125566112 | +1 312-556-6112 Illinois U.S.A.
  • 3125566113 | +1 312-556-6113 Illinois U.S.A.
  • 3125566114 | +1 312-556-6114 Illinois U.S.A.
  • 3125566115 | +1 312-556-6115 Illinois U.S.A.
  • 3125566116 | +1 312-556-6116 Illinois U.S.A.
  • 3125566117 | +1 312-556-6117 Illinois U.S.A.
  • 3125566118 | +1 312-556-6118 Illinois U.S.A.
  • 3125566119 | +1 312-556-6119 Illinois U.S.A.
  • 3125566120 | +1 312-556-6120 Illinois U.S.A.
  • 3125566121 | +1 312-556-6121 Illinois U.S.A.
  • 3125566122 | +1 312-556-6122 Illinois U.S.A.
  • 3125566123 | +1 312-556-6123 Illinois U.S.A.
  • 3125566124 | +1 312-556-6124 Illinois U.S.A.
  • 3125566125 | +1 312-556-6125 Illinois U.S.A.
  • 3125566126 | +1 312-556-6126 Illinois U.S.A.
  • 3125566127 | +1 312-556-6127 Illinois U.S.A.
  • 3125566128 | +1 312-556-6128 Illinois U.S.A.
  • 3125566129 | +1 312-556-6129 Illinois U.S.A.
  • 3125566130 | +1 312-556-6130 Illinois U.S.A.
  • 3125566131 | +1 312-556-6131 Illinois U.S.A.
  • 3125566132 | +1 312-556-6132 Illinois U.S.A.
  • 3125566133 | +1 312-556-6133 Illinois U.S.A.
  • 3125566134 | +1 312-556-6134 Illinois U.S.A.
  • 3125566135 | +1 312-556-6135 Illinois U.S.A.
  • 3125566136 | +1 312-556-6136 Illinois U.S.A.
  • 3125566137 | +1 312-556-6137 Illinois U.S.A.
  • 3125566138 | +1 312-556-6138 Illinois U.S.A.
  • 3125566139 | +1 312-556-6139 Illinois U.S.A.
  • 3125566140 | +1 312-556-6140 Illinois U.S.A.
  • 3125566141 | +1 312-556-6141 Illinois U.S.A.
  • 3125566142 | +1 312-556-6142 Illinois U.S.A.
  • 3125566143 | +1 312-556-6143 Illinois U.S.A.
  • 3125566144 | +1 312-556-6144 Illinois U.S.A.
  • 3125566145 | +1 312-556-6145 Illinois U.S.A.
  • 3125566146 | +1 312-556-6146 Illinois U.S.A.
  • 3125566147 | +1 312-556-6147 Illinois U.S.A.
  • 3125566148 | +1 312-556-6148 Illinois U.S.A.
  • 3125566149 | +1 312-556-6149 Illinois U.S.A.
  • 3125566150 | +1 312-556-6150 Illinois U.S.A.
  • 3125566151 | +1 312-556-6151 Illinois U.S.A.
  • 3125566152 | +1 312-556-6152 Illinois U.S.A.
  • 3125566153 | +1 312-556-6153 Illinois U.S.A.
  • 3125566154 | +1 312-556-6154 Illinois U.S.A.
  • 3125566155 | +1 312-556-6155 Illinois U.S.A.
  • 3125566156 | +1 312-556-6156 Illinois U.S.A.
  • 3125566157 | +1 312-556-6157 Illinois U.S.A.
  • 3125566158 | +1 312-556-6158 Illinois U.S.A.
  • 3125566159 | +1 312-556-6159 Illinois U.S.A.
  • 3125566160 | +1 312-556-6160 Illinois U.S.A.
  • 3125566161 | +1 312-556-6161 Illinois U.S.A.
  • 3125566162 | +1 312-556-6162 Illinois U.S.A.
  • 3125566163 | +1 312-556-6163 Illinois U.S.A.
  • 3125566164 | +1 312-556-6164 Illinois U.S.A.
  • 3125566165 | +1 312-556-6165 Illinois U.S.A.
  • 3125566166 | +1 312-556-6166 Illinois U.S.A.
  • 3125566167 | +1 312-556-6167 Illinois U.S.A.
  • 3125566168 | +1 312-556-6168 Illinois U.S.A.
  • 3125566169 | +1 312-556-6169 Illinois U.S.A.
  • 3125566170 | +1 312-556-6170 Illinois U.S.A.
  • 3125566171 | +1 312-556-6171 Illinois U.S.A.
  • 3125566172 | +1 312-556-6172 Illinois U.S.A.
  • 3125566173 | +1 312-556-6173 Illinois U.S.A.
  • 3125566174 | +1 312-556-6174 Illinois U.S.A.
  • 3125566175 | +1 312-556-6175 Illinois U.S.A.
  • 3125566176 | +1 312-556-6176 Illinois U.S.A.
  • 3125566177 | +1 312-556-6177 Illinois U.S.A.
  • 3125566178 | +1 312-556-6178 Illinois U.S.A.
  • 3125566179 | +1 312-556-6179 Illinois U.S.A.
  • 3125566180 | +1 312-556-6180 Illinois U.S.A.
  • 3125566181 | +1 312-556-6181 Illinois U.S.A.
  • 3125566182 | +1 312-556-6182 Illinois U.S.A.
  • 3125566183 | +1 312-556-6183 Illinois U.S.A.
  • 3125566184 | +1 312-556-6184 Illinois U.S.A.
  • 3125566185 | +1 312-556-6185 Illinois U.S.A.
  • 3125566186 | +1 312-556-6186 Illinois U.S.A.
  • 3125566187 | +1 312-556-6187 Illinois U.S.A.
  • 3125566188 | +1 312-556-6188 Illinois U.S.A.
  • 3125566189 | +1 312-556-6189 Illinois U.S.A.
  • 3125566190 | +1 312-556-6190 Illinois U.S.A.
  • 3125566191 | +1 312-556-6191 Illinois U.S.A.
  • 3125566192 | +1 312-556-6192 Illinois U.S.A.
  • 3125566193 | +1 312-556-6193 Illinois U.S.A.
  • 3125566194 | +1 312-556-6194 Illinois U.S.A.
  • 3125566195 | +1 312-556-6195 Illinois U.S.A.
  • 3125566196 | +1 312-556-6196 Illinois U.S.A.
  • 3125566197 | +1 312-556-6197 Illinois U.S.A.
  • 3125566198 | +1 312-556-6198 Illinois U.S.A.
  • 3125566199 | +1 312-556-6199 Illinois U.S.A.