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).

  • 8153287100 | +1 815-328-7100 Illinois U.S.A.
  • 8153287101 | +1 815-328-7101 Illinois U.S.A.
  • 8153287102 | +1 815-328-7102 Illinois U.S.A.
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  • 8153287110 | +1 815-328-7110 Illinois U.S.A.
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  • 8153287112 | +1 815-328-7112 Illinois U.S.A.
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  • 8153287168 | +1 815-328-7168 Illinois U.S.A.
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  • 8153287174 | +1 815-328-7174 Illinois U.S.A.
  • 8153287175 | +1 815-328-7175 Illinois U.S.A.
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  • 8153287195 | +1 815-328-7195 Illinois U.S.A.
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  • 8153287197 | +1 815-328-7197 Illinois U.S.A.
  • 8153287198 | +1 815-328-7198 Illinois U.S.A.
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