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).

  • 3123803000 | +1 312-380-3000 Illinois U.S.A.
  • 3123803001 | +1 312-380-3001 Illinois U.S.A.
  • 3123803002 | +1 312-380-3002 Illinois U.S.A.
  • 3123803003 | +1 312-380-3003 Illinois U.S.A.
  • 3123803004 | +1 312-380-3004 Illinois U.S.A.
  • 3123803005 | +1 312-380-3005 Illinois U.S.A.
  • 3123803006 | +1 312-380-3006 Illinois U.S.A.
  • 3123803007 | +1 312-380-3007 Illinois U.S.A.
  • 3123803008 | +1 312-380-3008 Illinois U.S.A.
  • 3123803009 | +1 312-380-3009 Illinois U.S.A.
  • 3123803010 | +1 312-380-3010 Illinois U.S.A.
  • 3123803011 | +1 312-380-3011 Illinois U.S.A.
  • 3123803012 | +1 312-380-3012 Illinois U.S.A.
  • 3123803013 | +1 312-380-3013 Illinois U.S.A.
  • 3123803014 | +1 312-380-3014 Illinois U.S.A.
  • 3123803015 | +1 312-380-3015 Illinois U.S.A.
  • 3123803016 | +1 312-380-3016 Illinois U.S.A.
  • 3123803017 | +1 312-380-3017 Illinois U.S.A.
  • 3123803018 | +1 312-380-3018 Illinois U.S.A.
  • 3123803019 | +1 312-380-3019 Illinois U.S.A.
  • 3123803020 | +1 312-380-3020 Illinois U.S.A.
  • 3123803021 | +1 312-380-3021 Illinois U.S.A.
  • 3123803022 | +1 312-380-3022 Illinois U.S.A.
  • 3123803023 | +1 312-380-3023 Illinois U.S.A.
  • 3123803024 | +1 312-380-3024 Illinois U.S.A.
  • 3123803025 | +1 312-380-3025 Illinois U.S.A.
  • 3123803026 | +1 312-380-3026 Illinois U.S.A.
  • 3123803027 | +1 312-380-3027 Illinois U.S.A.
  • 3123803028 | +1 312-380-3028 Illinois U.S.A.
  • 3123803029 | +1 312-380-3029 Illinois U.S.A.
  • 3123803030 | +1 312-380-3030 Illinois U.S.A.
  • 3123803031 | +1 312-380-3031 Illinois U.S.A.
  • 3123803032 | +1 312-380-3032 Illinois U.S.A.
  • 3123803033 | +1 312-380-3033 Illinois U.S.A.
  • 3123803034 | +1 312-380-3034 Illinois U.S.A.
  • 3123803035 | +1 312-380-3035 Illinois U.S.A.
  • 3123803036 | +1 312-380-3036 Illinois U.S.A.
  • 3123803037 | +1 312-380-3037 Illinois U.S.A.
  • 3123803038 | +1 312-380-3038 Illinois U.S.A.
  • 3123803039 | +1 312-380-3039 Illinois U.S.A.
  • 3123803040 | +1 312-380-3040 Illinois U.S.A.
  • 3123803041 | +1 312-380-3041 Illinois U.S.A.
  • 3123803042 | +1 312-380-3042 Illinois U.S.A.
  • 3123803043 | +1 312-380-3043 Illinois U.S.A.
  • 3123803044 | +1 312-380-3044 Illinois U.S.A.
  • 3123803045 | +1 312-380-3045 Illinois U.S.A.
  • 3123803046 | +1 312-380-3046 Illinois U.S.A.
  • 3123803047 | +1 312-380-3047 Illinois U.S.A.
  • 3123803048 | +1 312-380-3048 Illinois U.S.A.
  • 3123803049 | +1 312-380-3049 Illinois U.S.A.
  • 3123803050 | +1 312-380-3050 Illinois U.S.A.
  • 3123803051 | +1 312-380-3051 Illinois U.S.A.
  • 3123803052 | +1 312-380-3052 Illinois U.S.A.
  • 3123803053 | +1 312-380-3053 Illinois U.S.A.
  • 3123803054 | +1 312-380-3054 Illinois U.S.A.
  • 3123803055 | +1 312-380-3055 Illinois U.S.A.
  • 3123803056 | +1 312-380-3056 Illinois U.S.A.
  • 3123803057 | +1 312-380-3057 Illinois U.S.A.
  • 3123803058 | +1 312-380-3058 Illinois U.S.A.
  • 3123803059 | +1 312-380-3059 Illinois U.S.A.
  • 3123803060 | +1 312-380-3060 Illinois U.S.A.
  • 3123803061 | +1 312-380-3061 Illinois U.S.A.
  • 3123803062 | +1 312-380-3062 Illinois U.S.A.
  • 3123803063 | +1 312-380-3063 Illinois U.S.A.
  • 3123803064 | +1 312-380-3064 Illinois U.S.A.
  • 3123803065 | +1 312-380-3065 Illinois U.S.A.
  • 3123803066 | +1 312-380-3066 Illinois U.S.A.
  • 3123803067 | +1 312-380-3067 Illinois U.S.A.
  • 3123803068 | +1 312-380-3068 Illinois U.S.A.
  • 3123803069 | +1 312-380-3069 Illinois U.S.A.
  • 3123803070 | +1 312-380-3070 Illinois U.S.A.
  • 3123803071 | +1 312-380-3071 Illinois U.S.A.
  • 3123803072 | +1 312-380-3072 Illinois U.S.A.
  • 3123803073 | +1 312-380-3073 Illinois U.S.A.
  • 3123803074 | +1 312-380-3074 Illinois U.S.A.
  • 3123803075 | +1 312-380-3075 Illinois U.S.A.
  • 3123803076 | +1 312-380-3076 Illinois U.S.A.
  • 3123803077 | +1 312-380-3077 Illinois U.S.A.
  • 3123803078 | +1 312-380-3078 Illinois U.S.A.
  • 3123803079 | +1 312-380-3079 Illinois U.S.A.
  • 3123803080 | +1 312-380-3080 Illinois U.S.A.
  • 3123803081 | +1 312-380-3081 Illinois U.S.A.
  • 3123803082 | +1 312-380-3082 Illinois U.S.A.
  • 3123803083 | +1 312-380-3083 Illinois U.S.A.
  • 3123803084 | +1 312-380-3084 Illinois U.S.A.
  • 3123803085 | +1 312-380-3085 Illinois U.S.A.
  • 3123803086 | +1 312-380-3086 Illinois U.S.A.
  • 3123803087 | +1 312-380-3087 Illinois U.S.A.
  • 3123803088 | +1 312-380-3088 Illinois U.S.A.
  • 3123803089 | +1 312-380-3089 Illinois U.S.A.
  • 3123803090 | +1 312-380-3090 Illinois U.S.A.
  • 3123803091 | +1 312-380-3091 Illinois U.S.A.
  • 3123803092 | +1 312-380-3092 Illinois U.S.A.
  • 3123803093 | +1 312-380-3093 Illinois U.S.A.
  • 3123803094 | +1 312-380-3094 Illinois U.S.A.
  • 3123803095 | +1 312-380-3095 Illinois U.S.A.
  • 3123803096 | +1 312-380-3096 Illinois U.S.A.
  • 3123803097 | +1 312-380-3097 Illinois U.S.A.
  • 3123803098 | +1 312-380-3098 Illinois U.S.A.
  • 3123803099 | +1 312-380-3099 Illinois U.S.A.