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).

  • 3127913000 | +1 312-791-3000 Illinois U.S.A.
  • 3127913001 | +1 312-791-3001 Illinois U.S.A.
  • 3127913002 | +1 312-791-3002 Illinois U.S.A.
  • 3127913003 | +1 312-791-3003 Illinois U.S.A.
  • 3127913004 | +1 312-791-3004 Illinois U.S.A.
  • 3127913005 | +1 312-791-3005 Illinois U.S.A.
  • 3127913006 | +1 312-791-3006 Illinois U.S.A.
  • 3127913007 | +1 312-791-3007 Illinois U.S.A.
  • 3127913008 | +1 312-791-3008 Illinois U.S.A.
  • 3127913009 | +1 312-791-3009 Illinois U.S.A.
  • 3127913010 | +1 312-791-3010 Illinois U.S.A.
  • 3127913011 | +1 312-791-3011 Illinois U.S.A.
  • 3127913012 | +1 312-791-3012 Illinois U.S.A.
  • 3127913013 | +1 312-791-3013 Illinois U.S.A.
  • 3127913014 | +1 312-791-3014 Illinois U.S.A.
  • 3127913015 | +1 312-791-3015 Illinois U.S.A.
  • 3127913016 | +1 312-791-3016 Illinois U.S.A.
  • 3127913017 | +1 312-791-3017 Illinois U.S.A.
  • 3127913018 | +1 312-791-3018 Illinois U.S.A.
  • 3127913019 | +1 312-791-3019 Illinois U.S.A.
  • 3127913020 | +1 312-791-3020 Illinois U.S.A.
  • 3127913021 | +1 312-791-3021 Illinois U.S.A.
  • 3127913022 | +1 312-791-3022 Illinois U.S.A.
  • 3127913023 | +1 312-791-3023 Illinois U.S.A.
  • 3127913024 | +1 312-791-3024 Illinois U.S.A.
  • 3127913025 | +1 312-791-3025 Illinois U.S.A.
  • 3127913026 | +1 312-791-3026 Illinois U.S.A.
  • 3127913027 | +1 312-791-3027 Illinois U.S.A.
  • 3127913028 | +1 312-791-3028 Illinois U.S.A.
  • 3127913029 | +1 312-791-3029 Illinois U.S.A.
  • 3127913030 | +1 312-791-3030 Illinois U.S.A.
  • 3127913031 | +1 312-791-3031 Illinois U.S.A.
  • 3127913032 | +1 312-791-3032 Illinois U.S.A.
  • 3127913033 | +1 312-791-3033 Illinois U.S.A.
  • 3127913034 | +1 312-791-3034 Illinois U.S.A.
  • 3127913035 | +1 312-791-3035 Illinois U.S.A.
  • 3127913036 | +1 312-791-3036 Illinois U.S.A.
  • 3127913037 | +1 312-791-3037 Illinois U.S.A.
  • 3127913038 | +1 312-791-3038 Illinois U.S.A.
  • 3127913039 | +1 312-791-3039 Illinois U.S.A.
  • 3127913040 | +1 312-791-3040 Illinois U.S.A.
  • 3127913041 | +1 312-791-3041 Illinois U.S.A.
  • 3127913042 | +1 312-791-3042 Illinois U.S.A.
  • 3127913043 | +1 312-791-3043 Illinois U.S.A.
  • 3127913044 | +1 312-791-3044 Illinois U.S.A.
  • 3127913045 | +1 312-791-3045 Illinois U.S.A.
  • 3127913046 | +1 312-791-3046 Illinois U.S.A.
  • 3127913047 | +1 312-791-3047 Illinois U.S.A.
  • 3127913048 | +1 312-791-3048 Illinois U.S.A.
  • 3127913049 | +1 312-791-3049 Illinois U.S.A.
  • 3127913050 | +1 312-791-3050 Illinois U.S.A.
  • 3127913051 | +1 312-791-3051 Illinois U.S.A.
  • 3127913052 | +1 312-791-3052 Illinois U.S.A.
  • 3127913053 | +1 312-791-3053 Illinois U.S.A.
  • 3127913054 | +1 312-791-3054 Illinois U.S.A.
  • 3127913055 | +1 312-791-3055 Illinois U.S.A.
  • 3127913056 | +1 312-791-3056 Illinois U.S.A.
  • 3127913057 | +1 312-791-3057 Illinois U.S.A.
  • 3127913058 | +1 312-791-3058 Illinois U.S.A.
  • 3127913059 | +1 312-791-3059 Illinois U.S.A.
  • 3127913060 | +1 312-791-3060 Illinois U.S.A.
  • 3127913061 | +1 312-791-3061 Illinois U.S.A.
  • 3127913062 | +1 312-791-3062 Illinois U.S.A.
  • 3127913063 | +1 312-791-3063 Illinois U.S.A.
  • 3127913064 | +1 312-791-3064 Illinois U.S.A.
  • 3127913065 | +1 312-791-3065 Illinois U.S.A.
  • 3127913066 | +1 312-791-3066 Illinois U.S.A.
  • 3127913067 | +1 312-791-3067 Illinois U.S.A.
  • 3127913068 | +1 312-791-3068 Illinois U.S.A.
  • 3127913069 | +1 312-791-3069 Illinois U.S.A.
  • 3127913070 | +1 312-791-3070 Illinois U.S.A.
  • 3127913071 | +1 312-791-3071 Illinois U.S.A.
  • 3127913072 | +1 312-791-3072 Illinois U.S.A.
  • 3127913073 | +1 312-791-3073 Illinois U.S.A.
  • 3127913074 | +1 312-791-3074 Illinois U.S.A.
  • 3127913075 | +1 312-791-3075 Illinois U.S.A.
  • 3127913076 | +1 312-791-3076 Illinois U.S.A.
  • 3127913077 | +1 312-791-3077 Illinois U.S.A.
  • 3127913078 | +1 312-791-3078 Illinois U.S.A.
  • 3127913079 | +1 312-791-3079 Illinois U.S.A.
  • 3127913080 | +1 312-791-3080 Illinois U.S.A.
  • 3127913081 | +1 312-791-3081 Illinois U.S.A.
  • 3127913082 | +1 312-791-3082 Illinois U.S.A.
  • 3127913083 | +1 312-791-3083 Illinois U.S.A.
  • 3127913084 | +1 312-791-3084 Illinois U.S.A.
  • 3127913085 | +1 312-791-3085 Illinois U.S.A.
  • 3127913086 | +1 312-791-3086 Illinois U.S.A.
  • 3127913087 | +1 312-791-3087 Illinois U.S.A.
  • 3127913088 | +1 312-791-3088 Illinois U.S.A.
  • 3127913089 | +1 312-791-3089 Illinois U.S.A.
  • 3127913090 | +1 312-791-3090 Illinois U.S.A.
  • 3127913091 | +1 312-791-3091 Illinois U.S.A.
  • 3127913092 | +1 312-791-3092 Illinois U.S.A.
  • 3127913093 | +1 312-791-3093 Illinois U.S.A.
  • 3127913094 | +1 312-791-3094 Illinois U.S.A.
  • 3127913095 | +1 312-791-3095 Illinois U.S.A.
  • 3127913096 | +1 312-791-3096 Illinois U.S.A.
  • 3127913097 | +1 312-791-3097 Illinois U.S.A.
  • 3127913098 | +1 312-791-3098 Illinois U.S.A.
  • 3127913099 | +1 312-791-3099 Illinois U.S.A.