City of Chicago


815 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).

  • 8152779100 | +1 815-277-9100 Illinois U.S.A.
  • 8152779101 | +1 815-277-9101 Illinois U.S.A.
  • 8152779102 | +1 815-277-9102 Illinois U.S.A.
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  • 8152779110 | +1 815-277-9110 Illinois U.S.A.
  • 8152779111 | +1 815-277-9111 Illinois U.S.A.
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  • 8152779113 | +1 815-277-9113 Illinois U.S.A.
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  • 8152779151 | +1 815-277-9151 Illinois U.S.A.
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  • 8152779167 | +1 815-277-9167 Illinois U.S.A.
  • 8152779168 | +1 815-277-9168 Illinois U.S.A.
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  • 8152779174 | +1 815-277-9174 Illinois U.S.A.
  • 8152779175 | +1 815-277-9175 Illinois U.S.A.
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  • 8152779194 | +1 815-277-9194 Illinois U.S.A.
  • 8152779195 | +1 815-277-9195 Illinois U.S.A.
  • 8152779196 | +1 815-277-9196 Illinois U.S.A.
  • 8152779197 | +1 815-277-9197 Illinois U.S.A.
  • 8152779198 | +1 815-277-9198 Illinois U.S.A.
  • 8152779199 | +1 815-277-9199 Illinois U.S.A.