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).

  • 3128503000 | +1 312-850-3000 Illinois U.S.A.
  • 3128503001 | +1 312-850-3001 Illinois U.S.A.
  • 3128503002 | +1 312-850-3002 Illinois U.S.A.
  • 3128503003 | +1 312-850-3003 Illinois U.S.A.
  • 3128503004 | +1 312-850-3004 Illinois U.S.A.
  • 3128503005 | +1 312-850-3005 Illinois U.S.A.
  • 3128503006 | +1 312-850-3006 Illinois U.S.A.
  • 3128503007 | +1 312-850-3007 Illinois U.S.A.
  • 3128503008 | +1 312-850-3008 Illinois U.S.A.
  • 3128503009 | +1 312-850-3009 Illinois U.S.A.
  • 3128503010 | +1 312-850-3010 Illinois U.S.A.
  • 3128503011 | +1 312-850-3011 Illinois U.S.A.
  • 3128503012 | +1 312-850-3012 Illinois U.S.A.
  • 3128503013 | +1 312-850-3013 Illinois U.S.A.
  • 3128503014 | +1 312-850-3014 Illinois U.S.A.
  • 3128503015 | +1 312-850-3015 Illinois U.S.A.
  • 3128503016 | +1 312-850-3016 Illinois U.S.A.
  • 3128503017 | +1 312-850-3017 Illinois U.S.A.
  • 3128503018 | +1 312-850-3018 Illinois U.S.A.
  • 3128503019 | +1 312-850-3019 Illinois U.S.A.
  • 3128503020 | +1 312-850-3020 Illinois U.S.A.
  • 3128503021 | +1 312-850-3021 Illinois U.S.A.
  • 3128503022 | +1 312-850-3022 Illinois U.S.A.
  • 3128503023 | +1 312-850-3023 Illinois U.S.A.
  • 3128503024 | +1 312-850-3024 Illinois U.S.A.
  • 3128503025 | +1 312-850-3025 Illinois U.S.A.
  • 3128503026 | +1 312-850-3026 Illinois U.S.A.
  • 3128503027 | +1 312-850-3027 Illinois U.S.A.
  • 3128503028 | +1 312-850-3028 Illinois U.S.A.
  • 3128503029 | +1 312-850-3029 Illinois U.S.A.
  • 3128503030 | +1 312-850-3030 Illinois U.S.A.
  • 3128503031 | +1 312-850-3031 Illinois U.S.A.
  • 3128503032 | +1 312-850-3032 Illinois U.S.A.
  • 3128503033 | +1 312-850-3033 Illinois U.S.A.
  • 3128503034 | +1 312-850-3034 Illinois U.S.A.
  • 3128503035 | +1 312-850-3035 Illinois U.S.A.
  • 3128503036 | +1 312-850-3036 Illinois U.S.A.
  • 3128503037 | +1 312-850-3037 Illinois U.S.A.
  • 3128503038 | +1 312-850-3038 Illinois U.S.A.
  • 3128503039 | +1 312-850-3039 Illinois U.S.A.
  • 3128503040 | +1 312-850-3040 Illinois U.S.A.
  • 3128503041 | +1 312-850-3041 Illinois U.S.A.
  • 3128503042 | +1 312-850-3042 Illinois U.S.A.
  • 3128503043 | +1 312-850-3043 Illinois U.S.A.
  • 3128503044 | +1 312-850-3044 Illinois U.S.A.
  • 3128503045 | +1 312-850-3045 Illinois U.S.A.
  • 3128503046 | +1 312-850-3046 Illinois U.S.A.
  • 3128503047 | +1 312-850-3047 Illinois U.S.A.
  • 3128503048 | +1 312-850-3048 Illinois U.S.A.
  • 3128503049 | +1 312-850-3049 Illinois U.S.A.
  • 3128503050 | +1 312-850-3050 Illinois U.S.A.
  • 3128503051 | +1 312-850-3051 Illinois U.S.A.
  • 3128503052 | +1 312-850-3052 Illinois U.S.A.
  • 3128503053 | +1 312-850-3053 Illinois U.S.A.
  • 3128503054 | +1 312-850-3054 Illinois U.S.A.
  • 3128503055 | +1 312-850-3055 Illinois U.S.A.
  • 3128503056 | +1 312-850-3056 Illinois U.S.A.
  • 3128503057 | +1 312-850-3057 Illinois U.S.A.
  • 3128503058 | +1 312-850-3058 Illinois U.S.A.
  • 3128503059 | +1 312-850-3059 Illinois U.S.A.
  • 3128503060 | +1 312-850-3060 Illinois U.S.A.
  • 3128503061 | +1 312-850-3061 Illinois U.S.A.
  • 3128503062 | +1 312-850-3062 Illinois U.S.A.
  • 3128503063 | +1 312-850-3063 Illinois U.S.A.
  • 3128503064 | +1 312-850-3064 Illinois U.S.A.
  • 3128503065 | +1 312-850-3065 Illinois U.S.A.
  • 3128503066 | +1 312-850-3066 Illinois U.S.A.
  • 3128503067 | +1 312-850-3067 Illinois U.S.A.
  • 3128503068 | +1 312-850-3068 Illinois U.S.A.
  • 3128503069 | +1 312-850-3069 Illinois U.S.A.
  • 3128503070 | +1 312-850-3070 Illinois U.S.A.
  • 3128503071 | +1 312-850-3071 Illinois U.S.A.
  • 3128503072 | +1 312-850-3072 Illinois U.S.A.
  • 3128503073 | +1 312-850-3073 Illinois U.S.A.
  • 3128503074 | +1 312-850-3074 Illinois U.S.A.
  • 3128503075 | +1 312-850-3075 Illinois U.S.A.
  • 3128503076 | +1 312-850-3076 Illinois U.S.A.
  • 3128503077 | +1 312-850-3077 Illinois U.S.A.
  • 3128503078 | +1 312-850-3078 Illinois U.S.A.
  • 3128503079 | +1 312-850-3079 Illinois U.S.A.
  • 3128503080 | +1 312-850-3080 Illinois U.S.A.
  • 3128503081 | +1 312-850-3081 Illinois U.S.A.
  • 3128503082 | +1 312-850-3082 Illinois U.S.A.
  • 3128503083 | +1 312-850-3083 Illinois U.S.A.
  • 3128503084 | +1 312-850-3084 Illinois U.S.A.
  • 3128503085 | +1 312-850-3085 Illinois U.S.A.
  • 3128503086 | +1 312-850-3086 Illinois U.S.A.
  • 3128503087 | +1 312-850-3087 Illinois U.S.A.
  • 3128503088 | +1 312-850-3088 Illinois U.S.A.
  • 3128503089 | +1 312-850-3089 Illinois U.S.A.
  • 3128503090 | +1 312-850-3090 Illinois U.S.A.
  • 3128503091 | +1 312-850-3091 Illinois U.S.A.
  • 3128503092 | +1 312-850-3092 Illinois U.S.A.
  • 3128503093 | +1 312-850-3093 Illinois U.S.A.
  • 3128503094 | +1 312-850-3094 Illinois U.S.A.
  • 3128503095 | +1 312-850-3095 Illinois U.S.A.
  • 3128503096 | +1 312-850-3096 Illinois U.S.A.
  • 3128503097 | +1 312-850-3097 Illinois U.S.A.
  • 3128503098 | +1 312-850-3098 Illinois U.S.A.
  • 3128503099 | +1 312-850-3099 Illinois U.S.A.