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).

  • 8155723000 | +1 815-572-3000 Illinois U.S.A.
  • 8155723001 | +1 815-572-3001 Illinois U.S.A.
  • 8155723002 | +1 815-572-3002 Illinois U.S.A.
  • 8155723003 | +1 815-572-3003 Illinois U.S.A.
  • 8155723004 | +1 815-572-3004 Illinois U.S.A.
  • 8155723005 | +1 815-572-3005 Illinois U.S.A.
  • 8155723006 | +1 815-572-3006 Illinois U.S.A.
  • 8155723007 | +1 815-572-3007 Illinois U.S.A.
  • 8155723008 | +1 815-572-3008 Illinois U.S.A.
  • 8155723009 | +1 815-572-3009 Illinois U.S.A.
  • 8155723010 | +1 815-572-3010 Illinois U.S.A.
  • 8155723011 | +1 815-572-3011 Illinois U.S.A.
  • 8155723012 | +1 815-572-3012 Illinois U.S.A.
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  • 8155723020 | +1 815-572-3020 Illinois U.S.A.
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  • 8155723031 | +1 815-572-3031 Illinois U.S.A.
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  • 8155723048 | +1 815-572-3048 Illinois U.S.A.
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  • 8155723054 | +1 815-572-3054 Illinois U.S.A.
  • 8155723055 | +1 815-572-3055 Illinois U.S.A.
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  • 8155723061 | +1 815-572-3061 Illinois U.S.A.
  • 8155723062 | +1 815-572-3062 Illinois U.S.A.
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  • 8155723064 | +1 815-572-3064 Illinois U.S.A.
  • 8155723065 | +1 815-572-3065 Illinois U.S.A.
  • 8155723066 | +1 815-572-3066 Illinois U.S.A.
  • 8155723067 | +1 815-572-3067 Illinois U.S.A.
  • 8155723068 | +1 815-572-3068 Illinois U.S.A.
  • 8155723069 | +1 815-572-3069 Illinois U.S.A.
  • 8155723070 | +1 815-572-3070 Illinois U.S.A.
  • 8155723071 | +1 815-572-3071 Illinois U.S.A.
  • 8155723072 | +1 815-572-3072 Illinois U.S.A.
  • 8155723073 | +1 815-572-3073 Illinois U.S.A.
  • 8155723074 | +1 815-572-3074 Illinois U.S.A.
  • 8155723075 | +1 815-572-3075 Illinois U.S.A.
  • 8155723076 | +1 815-572-3076 Illinois U.S.A.
  • 8155723077 | +1 815-572-3077 Illinois U.S.A.
  • 8155723078 | +1 815-572-3078 Illinois U.S.A.
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  • 8155723080 | +1 815-572-3080 Illinois U.S.A.
  • 8155723081 | +1 815-572-3081 Illinois U.S.A.
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  • 8155723089 | +1 815-572-3089 Illinois U.S.A.
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  • 8155723092 | +1 815-572-3092 Illinois U.S.A.
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  • 8155723094 | +1 815-572-3094 Illinois U.S.A.
  • 8155723095 | +1 815-572-3095 Illinois U.S.A.
  • 8155723096 | +1 815-572-3096 Illinois U.S.A.
  • 8155723097 | +1 815-572-3097 Illinois U.S.A.
  • 8155723098 | +1 815-572-3098 Illinois U.S.A.
  • 8155723099 | +1 815-572-3099 Illinois U.S.A.