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).

  • 3128275100 | +1 312-827-5100 Illinois U.S.A.
  • 3128275101 | +1 312-827-5101 Illinois U.S.A.
  • 3128275102 | +1 312-827-5102 Illinois U.S.A.
  • 3128275103 | +1 312-827-5103 Illinois U.S.A.
  • 3128275104 | +1 312-827-5104 Illinois U.S.A.
  • 3128275105 | +1 312-827-5105 Illinois U.S.A.
  • 3128275106 | +1 312-827-5106 Illinois U.S.A.
  • 3128275107 | +1 312-827-5107 Illinois U.S.A.
  • 3128275108 | +1 312-827-5108 Illinois U.S.A.
  • 3128275109 | +1 312-827-5109 Illinois U.S.A.
  • 3128275110 | +1 312-827-5110 Illinois U.S.A.
  • 3128275111 | +1 312-827-5111 Illinois U.S.A.
  • 3128275112 | +1 312-827-5112 Illinois U.S.A.
  • 3128275113 | +1 312-827-5113 Illinois U.S.A.
  • 3128275114 | +1 312-827-5114 Illinois U.S.A.
  • 3128275115 | +1 312-827-5115 Illinois U.S.A.
  • 3128275116 | +1 312-827-5116 Illinois U.S.A.
  • 3128275117 | +1 312-827-5117 Illinois U.S.A.
  • 3128275118 | +1 312-827-5118 Illinois U.S.A.
  • 3128275119 | +1 312-827-5119 Illinois U.S.A.
  • 3128275120 | +1 312-827-5120 Illinois U.S.A.
  • 3128275121 | +1 312-827-5121 Illinois U.S.A.
  • 3128275122 | +1 312-827-5122 Illinois U.S.A.
  • 3128275123 | +1 312-827-5123 Illinois U.S.A.
  • 3128275124 | +1 312-827-5124 Illinois U.S.A.
  • 3128275125 | +1 312-827-5125 Illinois U.S.A.
  • 3128275126 | +1 312-827-5126 Illinois U.S.A.
  • 3128275127 | +1 312-827-5127 Illinois U.S.A.
  • 3128275128 | +1 312-827-5128 Illinois U.S.A.
  • 3128275129 | +1 312-827-5129 Illinois U.S.A.
  • 3128275130 | +1 312-827-5130 Illinois U.S.A.
  • 3128275131 | +1 312-827-5131 Illinois U.S.A.
  • 3128275132 | +1 312-827-5132 Illinois U.S.A.
  • 3128275133 | +1 312-827-5133 Illinois U.S.A.
  • 3128275134 | +1 312-827-5134 Illinois U.S.A.
  • 3128275135 | +1 312-827-5135 Illinois U.S.A.
  • 3128275136 | +1 312-827-5136 Illinois U.S.A.
  • 3128275137 | +1 312-827-5137 Illinois U.S.A.
  • 3128275138 | +1 312-827-5138 Illinois U.S.A.
  • 3128275139 | +1 312-827-5139 Illinois U.S.A.
  • 3128275140 | +1 312-827-5140 Illinois U.S.A.
  • 3128275141 | +1 312-827-5141 Illinois U.S.A.
  • 3128275142 | +1 312-827-5142 Illinois U.S.A.
  • 3128275143 | +1 312-827-5143 Illinois U.S.A.
  • 3128275144 | +1 312-827-5144 Illinois U.S.A.
  • 3128275145 | +1 312-827-5145 Illinois U.S.A.
  • 3128275146 | +1 312-827-5146 Illinois U.S.A.
  • 3128275147 | +1 312-827-5147 Illinois U.S.A.
  • 3128275148 | +1 312-827-5148 Illinois U.S.A.
  • 3128275149 | +1 312-827-5149 Illinois U.S.A.
  • 3128275150 | +1 312-827-5150 Illinois U.S.A.
  • 3128275151 | +1 312-827-5151 Illinois U.S.A.
  • 3128275152 | +1 312-827-5152 Illinois U.S.A.
  • 3128275153 | +1 312-827-5153 Illinois U.S.A.
  • 3128275154 | +1 312-827-5154 Illinois U.S.A.
  • 3128275155 | +1 312-827-5155 Illinois U.S.A.
  • 3128275156 | +1 312-827-5156 Illinois U.S.A.
  • 3128275157 | +1 312-827-5157 Illinois U.S.A.
  • 3128275158 | +1 312-827-5158 Illinois U.S.A.
  • 3128275159 | +1 312-827-5159 Illinois U.S.A.
  • 3128275160 | +1 312-827-5160 Illinois U.S.A.
  • 3128275161 | +1 312-827-5161 Illinois U.S.A.
  • 3128275162 | +1 312-827-5162 Illinois U.S.A.
  • 3128275163 | +1 312-827-5163 Illinois U.S.A.
  • 3128275164 | +1 312-827-5164 Illinois U.S.A.
  • 3128275165 | +1 312-827-5165 Illinois U.S.A.
  • 3128275166 | +1 312-827-5166 Illinois U.S.A.
  • 3128275167 | +1 312-827-5167 Illinois U.S.A.
  • 3128275168 | +1 312-827-5168 Illinois U.S.A.
  • 3128275169 | +1 312-827-5169 Illinois U.S.A.
  • 3128275170 | +1 312-827-5170 Illinois U.S.A.
  • 3128275171 | +1 312-827-5171 Illinois U.S.A.
  • 3128275172 | +1 312-827-5172 Illinois U.S.A.
  • 3128275173 | +1 312-827-5173 Illinois U.S.A.
  • 3128275174 | +1 312-827-5174 Illinois U.S.A.
  • 3128275175 | +1 312-827-5175 Illinois U.S.A.
  • 3128275176 | +1 312-827-5176 Illinois U.S.A.
  • 3128275177 | +1 312-827-5177 Illinois U.S.A.
  • 3128275178 | +1 312-827-5178 Illinois U.S.A.
  • 3128275179 | +1 312-827-5179 Illinois U.S.A.
  • 3128275180 | +1 312-827-5180 Illinois U.S.A.
  • 3128275181 | +1 312-827-5181 Illinois U.S.A.
  • 3128275182 | +1 312-827-5182 Illinois U.S.A.
  • 3128275183 | +1 312-827-5183 Illinois U.S.A.
  • 3128275184 | +1 312-827-5184 Illinois U.S.A.
  • 3128275185 | +1 312-827-5185 Illinois U.S.A.
  • 3128275186 | +1 312-827-5186 Illinois U.S.A.
  • 3128275187 | +1 312-827-5187 Illinois U.S.A.
  • 3128275188 | +1 312-827-5188 Illinois U.S.A.
  • 3128275189 | +1 312-827-5189 Illinois U.S.A.
  • 3128275190 | +1 312-827-5190 Illinois U.S.A.
  • 3128275191 | +1 312-827-5191 Illinois U.S.A.
  • 3128275192 | +1 312-827-5192 Illinois U.S.A.
  • 3128275193 | +1 312-827-5193 Illinois U.S.A.
  • 3128275194 | +1 312-827-5194 Illinois U.S.A.
  • 3128275195 | +1 312-827-5195 Illinois U.S.A.
  • 3128275196 | +1 312-827-5196 Illinois U.S.A.
  • 3128275197 | +1 312-827-5197 Illinois U.S.A.
  • 3128275198 | +1 312-827-5198 Illinois U.S.A.
  • 3128275199 | +1 312-827-5199 Illinois U.S.A.