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).

  • 8153318100 | +1 815-331-8100 Illinois U.S.A.
  • 8153318101 | +1 815-331-8101 Illinois U.S.A.
  • 8153318102 | +1 815-331-8102 Illinois U.S.A.
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  • 8153318104 | +1 815-331-8104 Illinois U.S.A.
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  • 8153318110 | +1 815-331-8110 Illinois U.S.A.
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  • 8153318112 | +1 815-331-8112 Illinois U.S.A.
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  • 8153318151 | +1 815-331-8151 Illinois U.S.A.
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  • 8153318167 | +1 815-331-8167 Illinois U.S.A.
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  • 8153318173 | +1 815-331-8173 Illinois U.S.A.
  • 8153318174 | +1 815-331-8174 Illinois U.S.A.
  • 8153318175 | +1 815-331-8175 Illinois U.S.A.
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  • 8153318194 | +1 815-331-8194 Illinois U.S.A.
  • 8153318195 | +1 815-331-8195 Illinois U.S.A.
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  • 8153318197 | +1 815-331-8197 Illinois U.S.A.
  • 8153318198 | +1 815-331-8198 Illinois U.S.A.
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