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).

  • 3123550100 | +1 312-355-0100 Illinois U.S.A.
  • 3123550101 | +1 312-355-0101 Illinois U.S.A.
  • 3123550102 | +1 312-355-0102 Illinois U.S.A.
  • 3123550103 | +1 312-355-0103 Illinois U.S.A.
  • 3123550104 | +1 312-355-0104 Illinois U.S.A.
  • 3123550105 | +1 312-355-0105 Illinois U.S.A.
  • 3123550106 | +1 312-355-0106 Illinois U.S.A.
  • 3123550107 | +1 312-355-0107 Illinois U.S.A.
  • 3123550108 | +1 312-355-0108 Illinois U.S.A.
  • 3123550109 | +1 312-355-0109 Illinois U.S.A.
  • 3123550110 | +1 312-355-0110 Illinois U.S.A.
  • 3123550111 | +1 312-355-0111 Illinois U.S.A.
  • 3123550112 | +1 312-355-0112 Illinois U.S.A.
  • 3123550113 | +1 312-355-0113 Illinois U.S.A.
  • 3123550114 | +1 312-355-0114 Illinois U.S.A.
  • 3123550115 | +1 312-355-0115 Illinois U.S.A.
  • 3123550116 | +1 312-355-0116 Illinois U.S.A.
  • 3123550117 | +1 312-355-0117 Illinois U.S.A.
  • 3123550118 | +1 312-355-0118 Illinois U.S.A.
  • 3123550119 | +1 312-355-0119 Illinois U.S.A.
  • 3123550120 | +1 312-355-0120 Illinois U.S.A.
  • 3123550121 | +1 312-355-0121 Illinois U.S.A.
  • 3123550122 | +1 312-355-0122 Illinois U.S.A.
  • 3123550123 | +1 312-355-0123 Illinois U.S.A.
  • 3123550124 | +1 312-355-0124 Illinois U.S.A.
  • 3123550125 | +1 312-355-0125 Illinois U.S.A.
  • 3123550126 | +1 312-355-0126 Illinois U.S.A.
  • 3123550127 | +1 312-355-0127 Illinois U.S.A.
  • 3123550128 | +1 312-355-0128 Illinois U.S.A.
  • 3123550129 | +1 312-355-0129 Illinois U.S.A.
  • 3123550130 | +1 312-355-0130 Illinois U.S.A.
  • 3123550131 | +1 312-355-0131 Illinois U.S.A.
  • 3123550132 | +1 312-355-0132 Illinois U.S.A.
  • 3123550133 | +1 312-355-0133 Illinois U.S.A.
  • 3123550134 | +1 312-355-0134 Illinois U.S.A.
  • 3123550135 | +1 312-355-0135 Illinois U.S.A.
  • 3123550136 | +1 312-355-0136 Illinois U.S.A.
  • 3123550137 | +1 312-355-0137 Illinois U.S.A.
  • 3123550138 | +1 312-355-0138 Illinois U.S.A.
  • 3123550139 | +1 312-355-0139 Illinois U.S.A.
  • 3123550140 | +1 312-355-0140 Illinois U.S.A.
  • 3123550141 | +1 312-355-0141 Illinois U.S.A.
  • 3123550142 | +1 312-355-0142 Illinois U.S.A.
  • 3123550143 | +1 312-355-0143 Illinois U.S.A.
  • 3123550144 | +1 312-355-0144 Illinois U.S.A.
  • 3123550145 | +1 312-355-0145 Illinois U.S.A.
  • 3123550146 | +1 312-355-0146 Illinois U.S.A.
  • 3123550147 | +1 312-355-0147 Illinois U.S.A.
  • 3123550148 | +1 312-355-0148 Illinois U.S.A.
  • 3123550149 | +1 312-355-0149 Illinois U.S.A.
  • 3123550150 | +1 312-355-0150 Illinois U.S.A.
  • 3123550151 | +1 312-355-0151 Illinois U.S.A.
  • 3123550152 | +1 312-355-0152 Illinois U.S.A.
  • 3123550153 | +1 312-355-0153 Illinois U.S.A.
  • 3123550154 | +1 312-355-0154 Illinois U.S.A.
  • 3123550155 | +1 312-355-0155 Illinois U.S.A.
  • 3123550156 | +1 312-355-0156 Illinois U.S.A.
  • 3123550157 | +1 312-355-0157 Illinois U.S.A.
  • 3123550158 | +1 312-355-0158 Illinois U.S.A.
  • 3123550159 | +1 312-355-0159 Illinois U.S.A.
  • 3123550160 | +1 312-355-0160 Illinois U.S.A.
  • 3123550161 | +1 312-355-0161 Illinois U.S.A.
  • 3123550162 | +1 312-355-0162 Illinois U.S.A.
  • 3123550163 | +1 312-355-0163 Illinois U.S.A.
  • 3123550164 | +1 312-355-0164 Illinois U.S.A.
  • 3123550165 | +1 312-355-0165 Illinois U.S.A.
  • 3123550166 | +1 312-355-0166 Illinois U.S.A.
  • 3123550167 | +1 312-355-0167 Illinois U.S.A.
  • 3123550168 | +1 312-355-0168 Illinois U.S.A.
  • 3123550169 | +1 312-355-0169 Illinois U.S.A.
  • 3123550170 | +1 312-355-0170 Illinois U.S.A.
  • 3123550171 | +1 312-355-0171 Illinois U.S.A.
  • 3123550172 | +1 312-355-0172 Illinois U.S.A.
  • 3123550173 | +1 312-355-0173 Illinois U.S.A.
  • 3123550174 | +1 312-355-0174 Illinois U.S.A.
  • 3123550175 | +1 312-355-0175 Illinois U.S.A.
  • 3123550176 | +1 312-355-0176 Illinois U.S.A.
  • 3123550177 | +1 312-355-0177 Illinois U.S.A.
  • 3123550178 | +1 312-355-0178 Illinois U.S.A.
  • 3123550179 | +1 312-355-0179 Illinois U.S.A.
  • 3123550180 | +1 312-355-0180 Illinois U.S.A.
  • 3123550181 | +1 312-355-0181 Illinois U.S.A.
  • 3123550182 | +1 312-355-0182 Illinois U.S.A.
  • 3123550183 | +1 312-355-0183 Illinois U.S.A.
  • 3123550184 | +1 312-355-0184 Illinois U.S.A.
  • 3123550185 | +1 312-355-0185 Illinois U.S.A.
  • 3123550186 | +1 312-355-0186 Illinois U.S.A.
  • 3123550187 | +1 312-355-0187 Illinois U.S.A.
  • 3123550188 | +1 312-355-0188 Illinois U.S.A.
  • 3123550189 | +1 312-355-0189 Illinois U.S.A.
  • 3123550190 | +1 312-355-0190 Illinois U.S.A.
  • 3123550191 | +1 312-355-0191 Illinois U.S.A.
  • 3123550192 | +1 312-355-0192 Illinois U.S.A.
  • 3123550193 | +1 312-355-0193 Illinois U.S.A.
  • 3123550194 | +1 312-355-0194 Illinois U.S.A.
  • 3123550195 | +1 312-355-0195 Illinois U.S.A.
  • 3123550196 | +1 312-355-0196 Illinois U.S.A.
  • 3123550197 | +1 312-355-0197 Illinois U.S.A.
  • 3123550198 | +1 312-355-0198 Illinois U.S.A.
  • 3123550199 | +1 312-355-0199 Illinois U.S.A.