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).

  • 3123335100 | +1 312-333-5100 Illinois U.S.A.
  • 3123335101 | +1 312-333-5101 Illinois U.S.A.
  • 3123335102 | +1 312-333-5102 Illinois U.S.A.
  • 3123335103 | +1 312-333-5103 Illinois U.S.A.
  • 3123335104 | +1 312-333-5104 Illinois U.S.A.
  • 3123335105 | +1 312-333-5105 Illinois U.S.A.
  • 3123335106 | +1 312-333-5106 Illinois U.S.A.
  • 3123335107 | +1 312-333-5107 Illinois U.S.A.
  • 3123335108 | +1 312-333-5108 Illinois U.S.A.
  • 3123335109 | +1 312-333-5109 Illinois U.S.A.
  • 3123335110 | +1 312-333-5110 Illinois U.S.A.
  • 3123335111 | +1 312-333-5111 Illinois U.S.A.
  • 3123335112 | +1 312-333-5112 Illinois U.S.A.
  • 3123335113 | +1 312-333-5113 Illinois U.S.A.
  • 3123335114 | +1 312-333-5114 Illinois U.S.A.
  • 3123335115 | +1 312-333-5115 Illinois U.S.A.
  • 3123335116 | +1 312-333-5116 Illinois U.S.A.
  • 3123335117 | +1 312-333-5117 Illinois U.S.A.
  • 3123335118 | +1 312-333-5118 Illinois U.S.A.
  • 3123335119 | +1 312-333-5119 Illinois U.S.A.
  • 3123335120 | +1 312-333-5120 Illinois U.S.A.
  • 3123335121 | +1 312-333-5121 Illinois U.S.A.
  • 3123335122 | +1 312-333-5122 Illinois U.S.A.
  • 3123335123 | +1 312-333-5123 Illinois U.S.A.
  • 3123335124 | +1 312-333-5124 Illinois U.S.A.
  • 3123335125 | +1 312-333-5125 Illinois U.S.A.
  • 3123335126 | +1 312-333-5126 Illinois U.S.A.
  • 3123335127 | +1 312-333-5127 Illinois U.S.A.
  • 3123335128 | +1 312-333-5128 Illinois U.S.A.
  • 3123335129 | +1 312-333-5129 Illinois U.S.A.
  • 3123335130 | +1 312-333-5130 Illinois U.S.A.
  • 3123335131 | +1 312-333-5131 Illinois U.S.A.
  • 3123335132 | +1 312-333-5132 Illinois U.S.A.
  • 3123335133 | +1 312-333-5133 Illinois U.S.A.
  • 3123335134 | +1 312-333-5134 Illinois U.S.A.
  • 3123335135 | +1 312-333-5135 Illinois U.S.A.
  • 3123335136 | +1 312-333-5136 Illinois U.S.A.
  • 3123335137 | +1 312-333-5137 Illinois U.S.A.
  • 3123335138 | +1 312-333-5138 Illinois U.S.A.
  • 3123335139 | +1 312-333-5139 Illinois U.S.A.
  • 3123335140 | +1 312-333-5140 Illinois U.S.A.
  • 3123335141 | +1 312-333-5141 Illinois U.S.A.
  • 3123335142 | +1 312-333-5142 Illinois U.S.A.
  • 3123335143 | +1 312-333-5143 Illinois U.S.A.
  • 3123335144 | +1 312-333-5144 Illinois U.S.A.
  • 3123335145 | +1 312-333-5145 Illinois U.S.A.
  • 3123335146 | +1 312-333-5146 Illinois U.S.A.
  • 3123335147 | +1 312-333-5147 Illinois U.S.A.
  • 3123335148 | +1 312-333-5148 Illinois U.S.A.
  • 3123335149 | +1 312-333-5149 Illinois U.S.A.
  • 3123335150 | +1 312-333-5150 Illinois U.S.A.
  • 3123335151 | +1 312-333-5151 Illinois U.S.A.
  • 3123335152 | +1 312-333-5152 Illinois U.S.A.
  • 3123335153 | +1 312-333-5153 Illinois U.S.A.
  • 3123335154 | +1 312-333-5154 Illinois U.S.A.
  • 3123335155 | +1 312-333-5155 Illinois U.S.A.
  • 3123335156 | +1 312-333-5156 Illinois U.S.A.
  • 3123335157 | +1 312-333-5157 Illinois U.S.A.
  • 3123335158 | +1 312-333-5158 Illinois U.S.A.
  • 3123335159 | +1 312-333-5159 Illinois U.S.A.
  • 3123335160 | +1 312-333-5160 Illinois U.S.A.
  • 3123335161 | +1 312-333-5161 Illinois U.S.A.
  • 3123335162 | +1 312-333-5162 Illinois U.S.A.
  • 3123335163 | +1 312-333-5163 Illinois U.S.A.
  • 3123335164 | +1 312-333-5164 Illinois U.S.A.
  • 3123335165 | +1 312-333-5165 Illinois U.S.A.
  • 3123335166 | +1 312-333-5166 Illinois U.S.A.
  • 3123335167 | +1 312-333-5167 Illinois U.S.A.
  • 3123335168 | +1 312-333-5168 Illinois U.S.A.
  • 3123335169 | +1 312-333-5169 Illinois U.S.A.
  • 3123335170 | +1 312-333-5170 Illinois U.S.A.
  • 3123335171 | +1 312-333-5171 Illinois U.S.A.
  • 3123335172 | +1 312-333-5172 Illinois U.S.A.
  • 3123335173 | +1 312-333-5173 Illinois U.S.A.
  • 3123335174 | +1 312-333-5174 Illinois U.S.A.
  • 3123335175 | +1 312-333-5175 Illinois U.S.A.
  • 3123335176 | +1 312-333-5176 Illinois U.S.A.
  • 3123335177 | +1 312-333-5177 Illinois U.S.A.
  • 3123335178 | +1 312-333-5178 Illinois U.S.A.
  • 3123335179 | +1 312-333-5179 Illinois U.S.A.
  • 3123335180 | +1 312-333-5180 Illinois U.S.A.
  • 3123335181 | +1 312-333-5181 Illinois U.S.A.
  • 3123335182 | +1 312-333-5182 Illinois U.S.A.
  • 3123335183 | +1 312-333-5183 Illinois U.S.A.
  • 3123335184 | +1 312-333-5184 Illinois U.S.A.
  • 3123335185 | +1 312-333-5185 Illinois U.S.A.
  • 3123335186 | +1 312-333-5186 Illinois U.S.A.
  • 3123335187 | +1 312-333-5187 Illinois U.S.A.
  • 3123335188 | +1 312-333-5188 Illinois U.S.A.
  • 3123335189 | +1 312-333-5189 Illinois U.S.A.
  • 3123335190 | +1 312-333-5190 Illinois U.S.A.
  • 3123335191 | +1 312-333-5191 Illinois U.S.A.
  • 3123335192 | +1 312-333-5192 Illinois U.S.A.
  • 3123335193 | +1 312-333-5193 Illinois U.S.A.
  • 3123335194 | +1 312-333-5194 Illinois U.S.A.
  • 3123335195 | +1 312-333-5195 Illinois U.S.A.
  • 3123335196 | +1 312-333-5196 Illinois U.S.A.
  • 3123335197 | +1 312-333-5197 Illinois U.S.A.
  • 3123335198 | +1 312-333-5198 Illinois U.S.A.
  • 3123335199 | +1 312-333-5199 Illinois U.S.A.