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).

  • 3125513000 | +1 312-551-3000 Illinois U.S.A.
  • 3125513001 | +1 312-551-3001 Illinois U.S.A.
  • 3125513002 | +1 312-551-3002 Illinois U.S.A.
  • 3125513003 | +1 312-551-3003 Illinois U.S.A.
  • 3125513004 | +1 312-551-3004 Illinois U.S.A.
  • 3125513005 | +1 312-551-3005 Illinois U.S.A.
  • 3125513006 | +1 312-551-3006 Illinois U.S.A.
  • 3125513007 | +1 312-551-3007 Illinois U.S.A.
  • 3125513008 | +1 312-551-3008 Illinois U.S.A.
  • 3125513009 | +1 312-551-3009 Illinois U.S.A.
  • 3125513010 | +1 312-551-3010 Illinois U.S.A.
  • 3125513011 | +1 312-551-3011 Illinois U.S.A.
  • 3125513012 | +1 312-551-3012 Illinois U.S.A.
  • 3125513013 | +1 312-551-3013 Illinois U.S.A.
  • 3125513014 | +1 312-551-3014 Illinois U.S.A.
  • 3125513015 | +1 312-551-3015 Illinois U.S.A.
  • 3125513016 | +1 312-551-3016 Illinois U.S.A.
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  • 3125513018 | +1 312-551-3018 Illinois U.S.A.
  • 3125513019 | +1 312-551-3019 Illinois U.S.A.
  • 3125513020 | +1 312-551-3020 Illinois U.S.A.
  • 3125513021 | +1 312-551-3021 Illinois U.S.A.
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  • 3125513023 | +1 312-551-3023 Illinois U.S.A.
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  • 3125513025 | +1 312-551-3025 Illinois U.S.A.
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  • 3125513027 | +1 312-551-3027 Illinois U.S.A.
  • 3125513028 | +1 312-551-3028 Illinois U.S.A.
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  • 3125513030 | +1 312-551-3030 Illinois U.S.A.
  • 3125513031 | +1 312-551-3031 Illinois U.S.A.
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  • 3125513033 | +1 312-551-3033 Illinois U.S.A.
  • 3125513034 | +1 312-551-3034 Illinois U.S.A.
  • 3125513035 | +1 312-551-3035 Illinois U.S.A.
  • 3125513036 | +1 312-551-3036 Illinois U.S.A.
  • 3125513037 | +1 312-551-3037 Illinois U.S.A.
  • 3125513038 | +1 312-551-3038 Illinois U.S.A.
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  • 3125513040 | +1 312-551-3040 Illinois U.S.A.
  • 3125513041 | +1 312-551-3041 Illinois U.S.A.
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  • 3125513048 | +1 312-551-3048 Illinois U.S.A.
  • 3125513049 | +1 312-551-3049 Illinois U.S.A.
  • 3125513050 | +1 312-551-3050 Illinois U.S.A.
  • 3125513051 | +1 312-551-3051 Illinois U.S.A.
  • 3125513052 | +1 312-551-3052 Illinois U.S.A.
  • 3125513053 | +1 312-551-3053 Illinois U.S.A.
  • 3125513054 | +1 312-551-3054 Illinois U.S.A.
  • 3125513055 | +1 312-551-3055 Illinois U.S.A.
  • 3125513056 | +1 312-551-3056 Illinois U.S.A.
  • 3125513057 | +1 312-551-3057 Illinois U.S.A.
  • 3125513058 | +1 312-551-3058 Illinois U.S.A.
  • 3125513059 | +1 312-551-3059 Illinois U.S.A.
  • 3125513060 | +1 312-551-3060 Illinois U.S.A.
  • 3125513061 | +1 312-551-3061 Illinois U.S.A.
  • 3125513062 | +1 312-551-3062 Illinois U.S.A.
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  • 3125513065 | +1 312-551-3065 Illinois U.S.A.
  • 3125513066 | +1 312-551-3066 Illinois U.S.A.
  • 3125513067 | +1 312-551-3067 Illinois U.S.A.
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  • 3125513069 | +1 312-551-3069 Illinois U.S.A.
  • 3125513070 | +1 312-551-3070 Illinois U.S.A.
  • 3125513071 | +1 312-551-3071 Illinois U.S.A.
  • 3125513072 | +1 312-551-3072 Illinois U.S.A.
  • 3125513073 | +1 312-551-3073 Illinois U.S.A.
  • 3125513074 | +1 312-551-3074 Illinois U.S.A.
  • 3125513075 | +1 312-551-3075 Illinois U.S.A.
  • 3125513076 | +1 312-551-3076 Illinois U.S.A.
  • 3125513077 | +1 312-551-3077 Illinois U.S.A.
  • 3125513078 | +1 312-551-3078 Illinois U.S.A.
  • 3125513079 | +1 312-551-3079 Illinois U.S.A.
  • 3125513080 | +1 312-551-3080 Illinois U.S.A.
  • 3125513081 | +1 312-551-3081 Illinois U.S.A.
  • 3125513082 | +1 312-551-3082 Illinois U.S.A.
  • 3125513083 | +1 312-551-3083 Illinois U.S.A.
  • 3125513084 | +1 312-551-3084 Illinois U.S.A.
  • 3125513085 | +1 312-551-3085 Illinois U.S.A.
  • 3125513086 | +1 312-551-3086 Illinois U.S.A.
  • 3125513087 | +1 312-551-3087 Illinois U.S.A.
  • 3125513088 | +1 312-551-3088 Illinois U.S.A.
  • 3125513089 | +1 312-551-3089 Illinois U.S.A.
  • 3125513090 | +1 312-551-3090 Illinois U.S.A.
  • 3125513091 | +1 312-551-3091 Illinois U.S.A.
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  • 3125513095 | +1 312-551-3095 Illinois U.S.A.
  • 3125513096 | +1 312-551-3096 Illinois U.S.A.
  • 3125513097 | +1 312-551-3097 Illinois U.S.A.
  • 3125513098 | +1 312-551-3098 Illinois U.S.A.
  • 3125513099 | +1 312-551-3099 Illinois U.S.A.