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).

  • 3128391100 | +1 312-839-1100 Illinois U.S.A.
  • 3128391101 | +1 312-839-1101 Illinois U.S.A.
  • 3128391102 | +1 312-839-1102 Illinois U.S.A.
  • 3128391103 | +1 312-839-1103 Illinois U.S.A.
  • 3128391104 | +1 312-839-1104 Illinois U.S.A.
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  • 3128391109 | +1 312-839-1109 Illinois U.S.A.
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  • 3128391111 | +1 312-839-1111 Illinois U.S.A.
  • 3128391112 | +1 312-839-1112 Illinois U.S.A.
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  • 3128391118 | +1 312-839-1118 Illinois U.S.A.
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  • 3128391120 | +1 312-839-1120 Illinois U.S.A.
  • 3128391121 | +1 312-839-1121 Illinois U.S.A.
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  • 3128391152 | +1 312-839-1152 Illinois U.S.A.
  • 3128391153 | +1 312-839-1153 Illinois U.S.A.
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  • 3128391155 | +1 312-839-1155 Illinois U.S.A.
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  • 3128391166 | +1 312-839-1166 Illinois U.S.A.
  • 3128391167 | +1 312-839-1167 Illinois U.S.A.
  • 3128391168 | +1 312-839-1168 Illinois U.S.A.
  • 3128391169 | +1 312-839-1169 Illinois U.S.A.
  • 3128391170 | +1 312-839-1170 Illinois U.S.A.
  • 3128391171 | +1 312-839-1171 Illinois U.S.A.
  • 3128391172 | +1 312-839-1172 Illinois U.S.A.
  • 3128391173 | +1 312-839-1173 Illinois U.S.A.
  • 3128391174 | +1 312-839-1174 Illinois U.S.A.
  • 3128391175 | +1 312-839-1175 Illinois U.S.A.
  • 3128391176 | +1 312-839-1176 Illinois U.S.A.
  • 3128391177 | +1 312-839-1177 Illinois U.S.A.
  • 3128391178 | +1 312-839-1178 Illinois U.S.A.
  • 3128391179 | +1 312-839-1179 Illinois U.S.A.
  • 3128391180 | +1 312-839-1180 Illinois U.S.A.
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  • 3128391190 | +1 312-839-1190 Illinois U.S.A.
  • 3128391191 | +1 312-839-1191 Illinois U.S.A.
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  • 3128391196 | +1 312-839-1196 Illinois U.S.A.
  • 3128391197 | +1 312-839-1197 Illinois U.S.A.
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  • 3128391199 | +1 312-839-1199 Illinois U.S.A.