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).

  • 3128505100 | +1 312-850-5100 Illinois U.S.A.
  • 3128505101 | +1 312-850-5101 Illinois U.S.A.
  • 3128505102 | +1 312-850-5102 Illinois U.S.A.
  • 3128505103 | +1 312-850-5103 Illinois U.S.A.
  • 3128505104 | +1 312-850-5104 Illinois U.S.A.
  • 3128505105 | +1 312-850-5105 Illinois U.S.A.
  • 3128505106 | +1 312-850-5106 Illinois U.S.A.
  • 3128505107 | +1 312-850-5107 Illinois U.S.A.
  • 3128505108 | +1 312-850-5108 Illinois U.S.A.
  • 3128505109 | +1 312-850-5109 Illinois U.S.A.
  • 3128505110 | +1 312-850-5110 Illinois U.S.A.
  • 3128505111 | +1 312-850-5111 Illinois U.S.A.
  • 3128505112 | +1 312-850-5112 Illinois U.S.A.
  • 3128505113 | +1 312-850-5113 Illinois U.S.A.
  • 3128505114 | +1 312-850-5114 Illinois U.S.A.
  • 3128505115 | +1 312-850-5115 Illinois U.S.A.
  • 3128505116 | +1 312-850-5116 Illinois U.S.A.
  • 3128505117 | +1 312-850-5117 Illinois U.S.A.
  • 3128505118 | +1 312-850-5118 Illinois U.S.A.
  • 3128505119 | +1 312-850-5119 Illinois U.S.A.
  • 3128505120 | +1 312-850-5120 Illinois U.S.A.
  • 3128505121 | +1 312-850-5121 Illinois U.S.A.
  • 3128505122 | +1 312-850-5122 Illinois U.S.A.
  • 3128505123 | +1 312-850-5123 Illinois U.S.A.
  • 3128505124 | +1 312-850-5124 Illinois U.S.A.
  • 3128505125 | +1 312-850-5125 Illinois U.S.A.
  • 3128505126 | +1 312-850-5126 Illinois U.S.A.
  • 3128505127 | +1 312-850-5127 Illinois U.S.A.
  • 3128505128 | +1 312-850-5128 Illinois U.S.A.
  • 3128505129 | +1 312-850-5129 Illinois U.S.A.
  • 3128505130 | +1 312-850-5130 Illinois U.S.A.
  • 3128505131 | +1 312-850-5131 Illinois U.S.A.
  • 3128505132 | +1 312-850-5132 Illinois U.S.A.
  • 3128505133 | +1 312-850-5133 Illinois U.S.A.
  • 3128505134 | +1 312-850-5134 Illinois U.S.A.
  • 3128505135 | +1 312-850-5135 Illinois U.S.A.
  • 3128505136 | +1 312-850-5136 Illinois U.S.A.
  • 3128505137 | +1 312-850-5137 Illinois U.S.A.
  • 3128505138 | +1 312-850-5138 Illinois U.S.A.
  • 3128505139 | +1 312-850-5139 Illinois U.S.A.
  • 3128505140 | +1 312-850-5140 Illinois U.S.A.
  • 3128505141 | +1 312-850-5141 Illinois U.S.A.
  • 3128505142 | +1 312-850-5142 Illinois U.S.A.
  • 3128505143 | +1 312-850-5143 Illinois U.S.A.
  • 3128505144 | +1 312-850-5144 Illinois U.S.A.
  • 3128505145 | +1 312-850-5145 Illinois U.S.A.
  • 3128505146 | +1 312-850-5146 Illinois U.S.A.
  • 3128505147 | +1 312-850-5147 Illinois U.S.A.
  • 3128505148 | +1 312-850-5148 Illinois U.S.A.
  • 3128505149 | +1 312-850-5149 Illinois U.S.A.
  • 3128505150 | +1 312-850-5150 Illinois U.S.A.
  • 3128505151 | +1 312-850-5151 Illinois U.S.A.
  • 3128505152 | +1 312-850-5152 Illinois U.S.A.
  • 3128505153 | +1 312-850-5153 Illinois U.S.A.
  • 3128505154 | +1 312-850-5154 Illinois U.S.A.
  • 3128505155 | +1 312-850-5155 Illinois U.S.A.
  • 3128505156 | +1 312-850-5156 Illinois U.S.A.
  • 3128505157 | +1 312-850-5157 Illinois U.S.A.
  • 3128505158 | +1 312-850-5158 Illinois U.S.A.
  • 3128505159 | +1 312-850-5159 Illinois U.S.A.
  • 3128505160 | +1 312-850-5160 Illinois U.S.A.
  • 3128505161 | +1 312-850-5161 Illinois U.S.A.
  • 3128505162 | +1 312-850-5162 Illinois U.S.A.
  • 3128505163 | +1 312-850-5163 Illinois U.S.A.
  • 3128505164 | +1 312-850-5164 Illinois U.S.A.
  • 3128505165 | +1 312-850-5165 Illinois U.S.A.
  • 3128505166 | +1 312-850-5166 Illinois U.S.A.
  • 3128505167 | +1 312-850-5167 Illinois U.S.A.
  • 3128505168 | +1 312-850-5168 Illinois U.S.A.
  • 3128505169 | +1 312-850-5169 Illinois U.S.A.
  • 3128505170 | +1 312-850-5170 Illinois U.S.A.
  • 3128505171 | +1 312-850-5171 Illinois U.S.A.
  • 3128505172 | +1 312-850-5172 Illinois U.S.A.
  • 3128505173 | +1 312-850-5173 Illinois U.S.A.
  • 3128505174 | +1 312-850-5174 Illinois U.S.A.
  • 3128505175 | +1 312-850-5175 Illinois U.S.A.
  • 3128505176 | +1 312-850-5176 Illinois U.S.A.
  • 3128505177 | +1 312-850-5177 Illinois U.S.A.
  • 3128505178 | +1 312-850-5178 Illinois U.S.A.
  • 3128505179 | +1 312-850-5179 Illinois U.S.A.
  • 3128505180 | +1 312-850-5180 Illinois U.S.A.
  • 3128505181 | +1 312-850-5181 Illinois U.S.A.
  • 3128505182 | +1 312-850-5182 Illinois U.S.A.
  • 3128505183 | +1 312-850-5183 Illinois U.S.A.
  • 3128505184 | +1 312-850-5184 Illinois U.S.A.
  • 3128505185 | +1 312-850-5185 Illinois U.S.A.
  • 3128505186 | +1 312-850-5186 Illinois U.S.A.
  • 3128505187 | +1 312-850-5187 Illinois U.S.A.
  • 3128505188 | +1 312-850-5188 Illinois U.S.A.
  • 3128505189 | +1 312-850-5189 Illinois U.S.A.
  • 3128505190 | +1 312-850-5190 Illinois U.S.A.
  • 3128505191 | +1 312-850-5191 Illinois U.S.A.
  • 3128505192 | +1 312-850-5192 Illinois U.S.A.
  • 3128505193 | +1 312-850-5193 Illinois U.S.A.
  • 3128505194 | +1 312-850-5194 Illinois U.S.A.
  • 3128505195 | +1 312-850-5195 Illinois U.S.A.
  • 3128505196 | +1 312-850-5196 Illinois U.S.A.
  • 3128505197 | +1 312-850-5197 Illinois U.S.A.
  • 3128505198 | +1 312-850-5198 Illinois U.S.A.
  • 3128505199 | +1 312-850-5199 Illinois U.S.A.