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).

  • 3127123000 | +1 312-712-3000 Illinois U.S.A.
  • 3127123001 | +1 312-712-3001 Illinois U.S.A.
  • 3127123002 | +1 312-712-3002 Illinois U.S.A.
  • 3127123003 | +1 312-712-3003 Illinois U.S.A.
  • 3127123004 | +1 312-712-3004 Illinois U.S.A.
  • 3127123005 | +1 312-712-3005 Illinois U.S.A.
  • 3127123006 | +1 312-712-3006 Illinois U.S.A.
  • 3127123007 | +1 312-712-3007 Illinois U.S.A.
  • 3127123008 | +1 312-712-3008 Illinois U.S.A.
  • 3127123009 | +1 312-712-3009 Illinois U.S.A.
  • 3127123010 | +1 312-712-3010 Illinois U.S.A.
  • 3127123011 | +1 312-712-3011 Illinois U.S.A.
  • 3127123012 | +1 312-712-3012 Illinois U.S.A.
  • 3127123013 | +1 312-712-3013 Illinois U.S.A.
  • 3127123014 | +1 312-712-3014 Illinois U.S.A.
  • 3127123015 | +1 312-712-3015 Illinois U.S.A.
  • 3127123016 | +1 312-712-3016 Illinois U.S.A.
  • 3127123017 | +1 312-712-3017 Illinois U.S.A.
  • 3127123018 | +1 312-712-3018 Illinois U.S.A.
  • 3127123019 | +1 312-712-3019 Illinois U.S.A.
  • 3127123020 | +1 312-712-3020 Illinois U.S.A.
  • 3127123021 | +1 312-712-3021 Illinois U.S.A.
  • 3127123022 | +1 312-712-3022 Illinois U.S.A.
  • 3127123023 | +1 312-712-3023 Illinois U.S.A.
  • 3127123024 | +1 312-712-3024 Illinois U.S.A.
  • 3127123025 | +1 312-712-3025 Illinois U.S.A.
  • 3127123026 | +1 312-712-3026 Illinois U.S.A.
  • 3127123027 | +1 312-712-3027 Illinois U.S.A.
  • 3127123028 | +1 312-712-3028 Illinois U.S.A.
  • 3127123029 | +1 312-712-3029 Illinois U.S.A.
  • 3127123030 | +1 312-712-3030 Illinois U.S.A.
  • 3127123031 | +1 312-712-3031 Illinois U.S.A.
  • 3127123032 | +1 312-712-3032 Illinois U.S.A.
  • 3127123033 | +1 312-712-3033 Illinois U.S.A.
  • 3127123034 | +1 312-712-3034 Illinois U.S.A.
  • 3127123035 | +1 312-712-3035 Illinois U.S.A.
  • 3127123036 | +1 312-712-3036 Illinois U.S.A.
  • 3127123037 | +1 312-712-3037 Illinois U.S.A.
  • 3127123038 | +1 312-712-3038 Illinois U.S.A.
  • 3127123039 | +1 312-712-3039 Illinois U.S.A.
  • 3127123040 | +1 312-712-3040 Illinois U.S.A.
  • 3127123041 | +1 312-712-3041 Illinois U.S.A.
  • 3127123042 | +1 312-712-3042 Illinois U.S.A.
  • 3127123043 | +1 312-712-3043 Illinois U.S.A.
  • 3127123044 | +1 312-712-3044 Illinois U.S.A.
  • 3127123045 | +1 312-712-3045 Illinois U.S.A.
  • 3127123046 | +1 312-712-3046 Illinois U.S.A.
  • 3127123047 | +1 312-712-3047 Illinois U.S.A.
  • 3127123048 | +1 312-712-3048 Illinois U.S.A.
  • 3127123049 | +1 312-712-3049 Illinois U.S.A.
  • 3127123050 | +1 312-712-3050 Illinois U.S.A.
  • 3127123051 | +1 312-712-3051 Illinois U.S.A.
  • 3127123052 | +1 312-712-3052 Illinois U.S.A.
  • 3127123053 | +1 312-712-3053 Illinois U.S.A.
  • 3127123054 | +1 312-712-3054 Illinois U.S.A.
  • 3127123055 | +1 312-712-3055 Illinois U.S.A.
  • 3127123056 | +1 312-712-3056 Illinois U.S.A.
  • 3127123057 | +1 312-712-3057 Illinois U.S.A.
  • 3127123058 | +1 312-712-3058 Illinois U.S.A.
  • 3127123059 | +1 312-712-3059 Illinois U.S.A.
  • 3127123060 | +1 312-712-3060 Illinois U.S.A.
  • 3127123061 | +1 312-712-3061 Illinois U.S.A.
  • 3127123062 | +1 312-712-3062 Illinois U.S.A.
  • 3127123063 | +1 312-712-3063 Illinois U.S.A.
  • 3127123064 | +1 312-712-3064 Illinois U.S.A.
  • 3127123065 | +1 312-712-3065 Illinois U.S.A.
  • 3127123066 | +1 312-712-3066 Illinois U.S.A.
  • 3127123067 | +1 312-712-3067 Illinois U.S.A.
  • 3127123068 | +1 312-712-3068 Illinois U.S.A.
  • 3127123069 | +1 312-712-3069 Illinois U.S.A.
  • 3127123070 | +1 312-712-3070 Illinois U.S.A.
  • 3127123071 | +1 312-712-3071 Illinois U.S.A.
  • 3127123072 | +1 312-712-3072 Illinois U.S.A.
  • 3127123073 | +1 312-712-3073 Illinois U.S.A.
  • 3127123074 | +1 312-712-3074 Illinois U.S.A.
  • 3127123075 | +1 312-712-3075 Illinois U.S.A.
  • 3127123076 | +1 312-712-3076 Illinois U.S.A.
  • 3127123077 | +1 312-712-3077 Illinois U.S.A.
  • 3127123078 | +1 312-712-3078 Illinois U.S.A.
  • 3127123079 | +1 312-712-3079 Illinois U.S.A.
  • 3127123080 | +1 312-712-3080 Illinois U.S.A.
  • 3127123081 | +1 312-712-3081 Illinois U.S.A.
  • 3127123082 | +1 312-712-3082 Illinois U.S.A.
  • 3127123083 | +1 312-712-3083 Illinois U.S.A.
  • 3127123084 | +1 312-712-3084 Illinois U.S.A.
  • 3127123085 | +1 312-712-3085 Illinois U.S.A.
  • 3127123086 | +1 312-712-3086 Illinois U.S.A.
  • 3127123087 | +1 312-712-3087 Illinois U.S.A.
  • 3127123088 | +1 312-712-3088 Illinois U.S.A.
  • 3127123089 | +1 312-712-3089 Illinois U.S.A.
  • 3127123090 | +1 312-712-3090 Illinois U.S.A.
  • 3127123091 | +1 312-712-3091 Illinois U.S.A.
  • 3127123092 | +1 312-712-3092 Illinois U.S.A.
  • 3127123093 | +1 312-712-3093 Illinois U.S.A.
  • 3127123094 | +1 312-712-3094 Illinois U.S.A.
  • 3127123095 | +1 312-712-3095 Illinois U.S.A.
  • 3127123096 | +1 312-712-3096 Illinois U.S.A.
  • 3127123097 | +1 312-712-3097 Illinois U.S.A.
  • 3127123098 | +1 312-712-3098 Illinois U.S.A.
  • 3127123099 | +1 312-712-3099 Illinois U.S.A.