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).

  • 3125030100 | +1 312-503-0100 Illinois U.S.A.
  • 3125030101 | +1 312-503-0101 Illinois U.S.A.
  • 3125030102 | +1 312-503-0102 Illinois U.S.A.
  • 3125030103 | +1 312-503-0103 Illinois U.S.A.
  • 3125030104 | +1 312-503-0104 Illinois U.S.A.
  • 3125030105 | +1 312-503-0105 Illinois U.S.A.
  • 3125030106 | +1 312-503-0106 Illinois U.S.A.
  • 3125030107 | +1 312-503-0107 Illinois U.S.A.
  • 3125030108 | +1 312-503-0108 Illinois U.S.A.
  • 3125030109 | +1 312-503-0109 Illinois U.S.A.
  • 3125030110 | +1 312-503-0110 Illinois U.S.A.
  • 3125030111 | +1 312-503-0111 Illinois U.S.A.
  • 3125030112 | +1 312-503-0112 Illinois U.S.A.
  • 3125030113 | +1 312-503-0113 Illinois U.S.A.
  • 3125030114 | +1 312-503-0114 Illinois U.S.A.
  • 3125030115 | +1 312-503-0115 Illinois U.S.A.
  • 3125030116 | +1 312-503-0116 Illinois U.S.A.
  • 3125030117 | +1 312-503-0117 Illinois U.S.A.
  • 3125030118 | +1 312-503-0118 Illinois U.S.A.
  • 3125030119 | +1 312-503-0119 Illinois U.S.A.
  • 3125030120 | +1 312-503-0120 Illinois U.S.A.
  • 3125030121 | +1 312-503-0121 Illinois U.S.A.
  • 3125030122 | +1 312-503-0122 Illinois U.S.A.
  • 3125030123 | +1 312-503-0123 Illinois U.S.A.
  • 3125030124 | +1 312-503-0124 Illinois U.S.A.
  • 3125030125 | +1 312-503-0125 Illinois U.S.A.
  • 3125030126 | +1 312-503-0126 Illinois U.S.A.
  • 3125030127 | +1 312-503-0127 Illinois U.S.A.
  • 3125030128 | +1 312-503-0128 Illinois U.S.A.
  • 3125030129 | +1 312-503-0129 Illinois U.S.A.
  • 3125030130 | +1 312-503-0130 Illinois U.S.A.
  • 3125030131 | +1 312-503-0131 Illinois U.S.A.
  • 3125030132 | +1 312-503-0132 Illinois U.S.A.
  • 3125030133 | +1 312-503-0133 Illinois U.S.A.
  • 3125030134 | +1 312-503-0134 Illinois U.S.A.
  • 3125030135 | +1 312-503-0135 Illinois U.S.A.
  • 3125030136 | +1 312-503-0136 Illinois U.S.A.
  • 3125030137 | +1 312-503-0137 Illinois U.S.A.
  • 3125030138 | +1 312-503-0138 Illinois U.S.A.
  • 3125030139 | +1 312-503-0139 Illinois U.S.A.
  • 3125030140 | +1 312-503-0140 Illinois U.S.A.
  • 3125030141 | +1 312-503-0141 Illinois U.S.A.
  • 3125030142 | +1 312-503-0142 Illinois U.S.A.
  • 3125030143 | +1 312-503-0143 Illinois U.S.A.
  • 3125030144 | +1 312-503-0144 Illinois U.S.A.
  • 3125030145 | +1 312-503-0145 Illinois U.S.A.
  • 3125030146 | +1 312-503-0146 Illinois U.S.A.
  • 3125030147 | +1 312-503-0147 Illinois U.S.A.
  • 3125030148 | +1 312-503-0148 Illinois U.S.A.
  • 3125030149 | +1 312-503-0149 Illinois U.S.A.
  • 3125030150 | +1 312-503-0150 Illinois U.S.A.
  • 3125030151 | +1 312-503-0151 Illinois U.S.A.
  • 3125030152 | +1 312-503-0152 Illinois U.S.A.
  • 3125030153 | +1 312-503-0153 Illinois U.S.A.
  • 3125030154 | +1 312-503-0154 Illinois U.S.A.
  • 3125030155 | +1 312-503-0155 Illinois U.S.A.
  • 3125030156 | +1 312-503-0156 Illinois U.S.A.
  • 3125030157 | +1 312-503-0157 Illinois U.S.A.
  • 3125030158 | +1 312-503-0158 Illinois U.S.A.
  • 3125030159 | +1 312-503-0159 Illinois U.S.A.
  • 3125030160 | +1 312-503-0160 Illinois U.S.A.
  • 3125030161 | +1 312-503-0161 Illinois U.S.A.
  • 3125030162 | +1 312-503-0162 Illinois U.S.A.
  • 3125030163 | +1 312-503-0163 Illinois U.S.A.
  • 3125030164 | +1 312-503-0164 Illinois U.S.A.
  • 3125030165 | +1 312-503-0165 Illinois U.S.A.
  • 3125030166 | +1 312-503-0166 Illinois U.S.A.
  • 3125030167 | +1 312-503-0167 Illinois U.S.A.
  • 3125030168 | +1 312-503-0168 Illinois U.S.A.
  • 3125030169 | +1 312-503-0169 Illinois U.S.A.
  • 3125030170 | +1 312-503-0170 Illinois U.S.A.
  • 3125030171 | +1 312-503-0171 Illinois U.S.A.
  • 3125030172 | +1 312-503-0172 Illinois U.S.A.
  • 3125030173 | +1 312-503-0173 Illinois U.S.A.
  • 3125030174 | +1 312-503-0174 Illinois U.S.A.
  • 3125030175 | +1 312-503-0175 Illinois U.S.A.
  • 3125030176 | +1 312-503-0176 Illinois U.S.A.
  • 3125030177 | +1 312-503-0177 Illinois U.S.A.
  • 3125030178 | +1 312-503-0178 Illinois U.S.A.
  • 3125030179 | +1 312-503-0179 Illinois U.S.A.
  • 3125030180 | +1 312-503-0180 Illinois U.S.A.
  • 3125030181 | +1 312-503-0181 Illinois U.S.A.
  • 3125030182 | +1 312-503-0182 Illinois U.S.A.
  • 3125030183 | +1 312-503-0183 Illinois U.S.A.
  • 3125030184 | +1 312-503-0184 Illinois U.S.A.
  • 3125030185 | +1 312-503-0185 Illinois U.S.A.
  • 3125030186 | +1 312-503-0186 Illinois U.S.A.
  • 3125030187 | +1 312-503-0187 Illinois U.S.A.
  • 3125030188 | +1 312-503-0188 Illinois U.S.A.
  • 3125030189 | +1 312-503-0189 Illinois U.S.A.
  • 3125030190 | +1 312-503-0190 Illinois U.S.A.
  • 3125030191 | +1 312-503-0191 Illinois U.S.A.
  • 3125030192 | +1 312-503-0192 Illinois U.S.A.
  • 3125030193 | +1 312-503-0193 Illinois U.S.A.
  • 3125030194 | +1 312-503-0194 Illinois U.S.A.
  • 3125030195 | +1 312-503-0195 Illinois U.S.A.
  • 3125030196 | +1 312-503-0196 Illinois U.S.A.
  • 3125030197 | +1 312-503-0197 Illinois U.S.A.
  • 3125030198 | +1 312-503-0198 Illinois U.S.A.
  • 3125030199 | +1 312-503-0199 Illinois U.S.A.