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).

  • 3129433000 | +1 312-943-3000 Illinois U.S.A.
  • 3129433001 | +1 312-943-3001 Illinois U.S.A.
  • 3129433002 | +1 312-943-3002 Illinois U.S.A.
  • 3129433003 | +1 312-943-3003 Illinois U.S.A.
  • 3129433004 | +1 312-943-3004 Illinois U.S.A.
  • 3129433005 | +1 312-943-3005 Illinois U.S.A.
  • 3129433006 | +1 312-943-3006 Illinois U.S.A.
  • 3129433007 | +1 312-943-3007 Illinois U.S.A.
  • 3129433008 | +1 312-943-3008 Illinois U.S.A.
  • 3129433009 | +1 312-943-3009 Illinois U.S.A.
  • 3129433010 | +1 312-943-3010 Illinois U.S.A.
  • 3129433011 | +1 312-943-3011 Illinois U.S.A.
  • 3129433012 | +1 312-943-3012 Illinois U.S.A.
  • 3129433013 | +1 312-943-3013 Illinois U.S.A.
  • 3129433014 | +1 312-943-3014 Illinois U.S.A.
  • 3129433015 | +1 312-943-3015 Illinois U.S.A.
  • 3129433016 | +1 312-943-3016 Illinois U.S.A.
  • 3129433017 | +1 312-943-3017 Illinois U.S.A.
  • 3129433018 | +1 312-943-3018 Illinois U.S.A.
  • 3129433019 | +1 312-943-3019 Illinois U.S.A.
  • 3129433020 | +1 312-943-3020 Illinois U.S.A.
  • 3129433021 | +1 312-943-3021 Illinois U.S.A.
  • 3129433022 | +1 312-943-3022 Illinois U.S.A.
  • 3129433023 | +1 312-943-3023 Illinois U.S.A.
  • 3129433024 | +1 312-943-3024 Illinois U.S.A.
  • 3129433025 | +1 312-943-3025 Illinois U.S.A.
  • 3129433026 | +1 312-943-3026 Illinois U.S.A.
  • 3129433027 | +1 312-943-3027 Illinois U.S.A.
  • 3129433028 | +1 312-943-3028 Illinois U.S.A.
  • 3129433029 | +1 312-943-3029 Illinois U.S.A.
  • 3129433030 | +1 312-943-3030 Illinois U.S.A.
  • 3129433031 | +1 312-943-3031 Illinois U.S.A.
  • 3129433032 | +1 312-943-3032 Illinois U.S.A.
  • 3129433033 | +1 312-943-3033 Illinois U.S.A.
  • 3129433034 | +1 312-943-3034 Illinois U.S.A.
  • 3129433035 | +1 312-943-3035 Illinois U.S.A.
  • 3129433036 | +1 312-943-3036 Illinois U.S.A.
  • 3129433037 | +1 312-943-3037 Illinois U.S.A.
  • 3129433038 | +1 312-943-3038 Illinois U.S.A.
  • 3129433039 | +1 312-943-3039 Illinois U.S.A.
  • 3129433040 | +1 312-943-3040 Illinois U.S.A.
  • 3129433041 | +1 312-943-3041 Illinois U.S.A.
  • 3129433042 | +1 312-943-3042 Illinois U.S.A.
  • 3129433043 | +1 312-943-3043 Illinois U.S.A.
  • 3129433044 | +1 312-943-3044 Illinois U.S.A.
  • 3129433045 | +1 312-943-3045 Illinois U.S.A.
  • 3129433046 | +1 312-943-3046 Illinois U.S.A.
  • 3129433047 | +1 312-943-3047 Illinois U.S.A.
  • 3129433048 | +1 312-943-3048 Illinois U.S.A.
  • 3129433049 | +1 312-943-3049 Illinois U.S.A.
  • 3129433050 | +1 312-943-3050 Illinois U.S.A.
  • 3129433051 | +1 312-943-3051 Illinois U.S.A.
  • 3129433052 | +1 312-943-3052 Illinois U.S.A.
  • 3129433053 | +1 312-943-3053 Illinois U.S.A.
  • 3129433054 | +1 312-943-3054 Illinois U.S.A.
  • 3129433055 | +1 312-943-3055 Illinois U.S.A.
  • 3129433056 | +1 312-943-3056 Illinois U.S.A.
  • 3129433057 | +1 312-943-3057 Illinois U.S.A.
  • 3129433058 | +1 312-943-3058 Illinois U.S.A.
  • 3129433059 | +1 312-943-3059 Illinois U.S.A.
  • 3129433060 | +1 312-943-3060 Illinois U.S.A.
  • 3129433061 | +1 312-943-3061 Illinois U.S.A.
  • 3129433062 | +1 312-943-3062 Illinois U.S.A.
  • 3129433063 | +1 312-943-3063 Illinois U.S.A.
  • 3129433064 | +1 312-943-3064 Illinois U.S.A.
  • 3129433065 | +1 312-943-3065 Illinois U.S.A.
  • 3129433066 | +1 312-943-3066 Illinois U.S.A.
  • 3129433067 | +1 312-943-3067 Illinois U.S.A.
  • 3129433068 | +1 312-943-3068 Illinois U.S.A.
  • 3129433069 | +1 312-943-3069 Illinois U.S.A.
  • 3129433070 | +1 312-943-3070 Illinois U.S.A.
  • 3129433071 | +1 312-943-3071 Illinois U.S.A.
  • 3129433072 | +1 312-943-3072 Illinois U.S.A.
  • 3129433073 | +1 312-943-3073 Illinois U.S.A.
  • 3129433074 | +1 312-943-3074 Illinois U.S.A.
  • 3129433075 | +1 312-943-3075 Illinois U.S.A.
  • 3129433076 | +1 312-943-3076 Illinois U.S.A.
  • 3129433077 | +1 312-943-3077 Illinois U.S.A.
  • 3129433078 | +1 312-943-3078 Illinois U.S.A.
  • 3129433079 | +1 312-943-3079 Illinois U.S.A.
  • 3129433080 | +1 312-943-3080 Illinois U.S.A.
  • 3129433081 | +1 312-943-3081 Illinois U.S.A.
  • 3129433082 | +1 312-943-3082 Illinois U.S.A.
  • 3129433083 | +1 312-943-3083 Illinois U.S.A.
  • 3129433084 | +1 312-943-3084 Illinois U.S.A.
  • 3129433085 | +1 312-943-3085 Illinois U.S.A.
  • 3129433086 | +1 312-943-3086 Illinois U.S.A.
  • 3129433087 | +1 312-943-3087 Illinois U.S.A.
  • 3129433088 | +1 312-943-3088 Illinois U.S.A.
  • 3129433089 | +1 312-943-3089 Illinois U.S.A.
  • 3129433090 | +1 312-943-3090 Illinois U.S.A.
  • 3129433091 | +1 312-943-3091 Illinois U.S.A.
  • 3129433092 | +1 312-943-3092 Illinois U.S.A.
  • 3129433093 | +1 312-943-3093 Illinois U.S.A.
  • 3129433094 | +1 312-943-3094 Illinois U.S.A.
  • 3129433095 | +1 312-943-3095 Illinois U.S.A.
  • 3129433096 | +1 312-943-3096 Illinois U.S.A.
  • 3129433097 | +1 312-943-3097 Illinois U.S.A.
  • 3129433098 | +1 312-943-3098 Illinois U.S.A.
  • 3129433099 | +1 312-943-3099 Illinois U.S.A.