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).

  • 3127261100 | +1 312-726-1100 Illinois U.S.A.
  • 3127261101 | +1 312-726-1101 Illinois U.S.A.
  • 3127261102 | +1 312-726-1102 Illinois U.S.A.
  • 3127261103 | +1 312-726-1103 Illinois U.S.A.
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  • 3127261109 | +1 312-726-1109 Illinois U.S.A.
  • 3127261110 | +1 312-726-1110 Illinois U.S.A.
  • 3127261111 | +1 312-726-1111 Illinois U.S.A.
  • 3127261112 | +1 312-726-1112 Illinois U.S.A.
  • 3127261113 | +1 312-726-1113 Illinois U.S.A.
  • 3127261114 | +1 312-726-1114 Illinois U.S.A.
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  • 3127261121 | +1 312-726-1121 Illinois U.S.A.
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  • 3127261126 | +1 312-726-1126 Illinois U.S.A.
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  • 3127261155 | +1 312-726-1155 Illinois U.S.A.
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  • 3127261158 | +1 312-726-1158 Illinois U.S.A.
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  • 3127261161 | +1 312-726-1161 Illinois U.S.A.
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  • 3127261163 | +1 312-726-1163 Illinois U.S.A.
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  • 3127261168 | +1 312-726-1168 Illinois U.S.A.
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  • 3127261170 | +1 312-726-1170 Illinois U.S.A.
  • 3127261171 | +1 312-726-1171 Illinois U.S.A.
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  • 3127261175 | +1 312-726-1175 Illinois U.S.A.
  • 3127261176 | +1 312-726-1176 Illinois U.S.A.
  • 3127261177 | +1 312-726-1177 Illinois U.S.A.
  • 3127261178 | +1 312-726-1178 Illinois U.S.A.
  • 3127261179 | +1 312-726-1179 Illinois U.S.A.
  • 3127261180 | +1 312-726-1180 Illinois U.S.A.
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  • 3127261190 | +1 312-726-1190 Illinois U.S.A.
  • 3127261191 | +1 312-726-1191 Illinois U.S.A.
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  • 3127261197 | +1 312-726-1197 Illinois U.S.A.
  • 3127261198 | +1 312-726-1198 Illinois U.S.A.
  • 3127261199 | +1 312-726-1199 Illinois U.S.A.