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).

  • 3129929100 | +1 312-992-9100 Illinois U.S.A.
  • 3129929101 | +1 312-992-9101 Illinois U.S.A.
  • 3129929102 | +1 312-992-9102 Illinois U.S.A.
  • 3129929103 | +1 312-992-9103 Illinois U.S.A.
  • 3129929104 | +1 312-992-9104 Illinois U.S.A.
  • 3129929105 | +1 312-992-9105 Illinois U.S.A.
  • 3129929106 | +1 312-992-9106 Illinois U.S.A.
  • 3129929107 | +1 312-992-9107 Illinois U.S.A.
  • 3129929108 | +1 312-992-9108 Illinois U.S.A.
  • 3129929109 | +1 312-992-9109 Illinois U.S.A.
  • 3129929110 | +1 312-992-9110 Illinois U.S.A.
  • 3129929111 | +1 312-992-9111 Illinois U.S.A.
  • 3129929112 | +1 312-992-9112 Illinois U.S.A.
  • 3129929113 | +1 312-992-9113 Illinois U.S.A.
  • 3129929114 | +1 312-992-9114 Illinois U.S.A.
  • 3129929115 | +1 312-992-9115 Illinois U.S.A.
  • 3129929116 | +1 312-992-9116 Illinois U.S.A.
  • 3129929117 | +1 312-992-9117 Illinois U.S.A.
  • 3129929118 | +1 312-992-9118 Illinois U.S.A.
  • 3129929119 | +1 312-992-9119 Illinois U.S.A.
  • 3129929120 | +1 312-992-9120 Illinois U.S.A.
  • 3129929121 | +1 312-992-9121 Illinois U.S.A.
  • 3129929122 | +1 312-992-9122 Illinois U.S.A.
  • 3129929123 | +1 312-992-9123 Illinois U.S.A.
  • 3129929124 | +1 312-992-9124 Illinois U.S.A.
  • 3129929125 | +1 312-992-9125 Illinois U.S.A.
  • 3129929126 | +1 312-992-9126 Illinois U.S.A.
  • 3129929127 | +1 312-992-9127 Illinois U.S.A.
  • 3129929128 | +1 312-992-9128 Illinois U.S.A.
  • 3129929129 | +1 312-992-9129 Illinois U.S.A.
  • 3129929130 | +1 312-992-9130 Illinois U.S.A.
  • 3129929131 | +1 312-992-9131 Illinois U.S.A.
  • 3129929132 | +1 312-992-9132 Illinois U.S.A.
  • 3129929133 | +1 312-992-9133 Illinois U.S.A.
  • 3129929134 | +1 312-992-9134 Illinois U.S.A.
  • 3129929135 | +1 312-992-9135 Illinois U.S.A.
  • 3129929136 | +1 312-992-9136 Illinois U.S.A.
  • 3129929137 | +1 312-992-9137 Illinois U.S.A.
  • 3129929138 | +1 312-992-9138 Illinois U.S.A.
  • 3129929139 | +1 312-992-9139 Illinois U.S.A.
  • 3129929140 | +1 312-992-9140 Illinois U.S.A.
  • 3129929141 | +1 312-992-9141 Illinois U.S.A.
  • 3129929142 | +1 312-992-9142 Illinois U.S.A.
  • 3129929143 | +1 312-992-9143 Illinois U.S.A.
  • 3129929144 | +1 312-992-9144 Illinois U.S.A.
  • 3129929145 | +1 312-992-9145 Illinois U.S.A.
  • 3129929146 | +1 312-992-9146 Illinois U.S.A.
  • 3129929147 | +1 312-992-9147 Illinois U.S.A.
  • 3129929148 | +1 312-992-9148 Illinois U.S.A.
  • 3129929149 | +1 312-992-9149 Illinois U.S.A.
  • 3129929150 | +1 312-992-9150 Illinois U.S.A.
  • 3129929151 | +1 312-992-9151 Illinois U.S.A.
  • 3129929152 | +1 312-992-9152 Illinois U.S.A.
  • 3129929153 | +1 312-992-9153 Illinois U.S.A.
  • 3129929154 | +1 312-992-9154 Illinois U.S.A.
  • 3129929155 | +1 312-992-9155 Illinois U.S.A.
  • 3129929156 | +1 312-992-9156 Illinois U.S.A.
  • 3129929157 | +1 312-992-9157 Illinois U.S.A.
  • 3129929158 | +1 312-992-9158 Illinois U.S.A.
  • 3129929159 | +1 312-992-9159 Illinois U.S.A.
  • 3129929160 | +1 312-992-9160 Illinois U.S.A.
  • 3129929161 | +1 312-992-9161 Illinois U.S.A.
  • 3129929162 | +1 312-992-9162 Illinois U.S.A.
  • 3129929163 | +1 312-992-9163 Illinois U.S.A.
  • 3129929164 | +1 312-992-9164 Illinois U.S.A.
  • 3129929165 | +1 312-992-9165 Illinois U.S.A.
  • 3129929166 | +1 312-992-9166 Illinois U.S.A.
  • 3129929167 | +1 312-992-9167 Illinois U.S.A.
  • 3129929168 | +1 312-992-9168 Illinois U.S.A.
  • 3129929169 | +1 312-992-9169 Illinois U.S.A.
  • 3129929170 | +1 312-992-9170 Illinois U.S.A.
  • 3129929171 | +1 312-992-9171 Illinois U.S.A.
  • 3129929172 | +1 312-992-9172 Illinois U.S.A.
  • 3129929173 | +1 312-992-9173 Illinois U.S.A.
  • 3129929174 | +1 312-992-9174 Illinois U.S.A.
  • 3129929175 | +1 312-992-9175 Illinois U.S.A.
  • 3129929176 | +1 312-992-9176 Illinois U.S.A.
  • 3129929177 | +1 312-992-9177 Illinois U.S.A.
  • 3129929178 | +1 312-992-9178 Illinois U.S.A.
  • 3129929179 | +1 312-992-9179 Illinois U.S.A.
  • 3129929180 | +1 312-992-9180 Illinois U.S.A.
  • 3129929181 | +1 312-992-9181 Illinois U.S.A.
  • 3129929182 | +1 312-992-9182 Illinois U.S.A.
  • 3129929183 | +1 312-992-9183 Illinois U.S.A.
  • 3129929184 | +1 312-992-9184 Illinois U.S.A.
  • 3129929185 | +1 312-992-9185 Illinois U.S.A.
  • 3129929186 | +1 312-992-9186 Illinois U.S.A.
  • 3129929187 | +1 312-992-9187 Illinois U.S.A.
  • 3129929188 | +1 312-992-9188 Illinois U.S.A.
  • 3129929189 | +1 312-992-9189 Illinois U.S.A.
  • 3129929190 | +1 312-992-9190 Illinois U.S.A.
  • 3129929191 | +1 312-992-9191 Illinois U.S.A.
  • 3129929192 | +1 312-992-9192 Illinois U.S.A.
  • 3129929193 | +1 312-992-9193 Illinois U.S.A.
  • 3129929194 | +1 312-992-9194 Illinois U.S.A.
  • 3129929195 | +1 312-992-9195 Illinois U.S.A.
  • 3129929196 | +1 312-992-9196 Illinois U.S.A.
  • 3129929197 | +1 312-992-9197 Illinois U.S.A.
  • 3129929198 | +1 312-992-9198 Illinois U.S.A.
  • 3129929199 | +1 312-992-9199 Illinois U.S.A.