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).

  • 3123373000 | +1 312-337-3000 Illinois U.S.A.
  • 3123373001 | +1 312-337-3001 Illinois U.S.A.
  • 3123373002 | +1 312-337-3002 Illinois U.S.A.
  • 3123373003 | +1 312-337-3003 Illinois U.S.A.
  • 3123373004 | +1 312-337-3004 Illinois U.S.A.
  • 3123373005 | +1 312-337-3005 Illinois U.S.A.
  • 3123373006 | +1 312-337-3006 Illinois U.S.A.
  • 3123373007 | +1 312-337-3007 Illinois U.S.A.
  • 3123373008 | +1 312-337-3008 Illinois U.S.A.
  • 3123373009 | +1 312-337-3009 Illinois U.S.A.
  • 3123373010 | +1 312-337-3010 Illinois U.S.A.
  • 3123373011 | +1 312-337-3011 Illinois U.S.A.
  • 3123373012 | +1 312-337-3012 Illinois U.S.A.
  • 3123373013 | +1 312-337-3013 Illinois U.S.A.
  • 3123373014 | +1 312-337-3014 Illinois U.S.A.
  • 3123373015 | +1 312-337-3015 Illinois U.S.A.
  • 3123373016 | +1 312-337-3016 Illinois U.S.A.
  • 3123373017 | +1 312-337-3017 Illinois U.S.A.
  • 3123373018 | +1 312-337-3018 Illinois U.S.A.
  • 3123373019 | +1 312-337-3019 Illinois U.S.A.
  • 3123373020 | +1 312-337-3020 Illinois U.S.A.
  • 3123373021 | +1 312-337-3021 Illinois U.S.A.
  • 3123373022 | +1 312-337-3022 Illinois U.S.A.
  • 3123373023 | +1 312-337-3023 Illinois U.S.A.
  • 3123373024 | +1 312-337-3024 Illinois U.S.A.
  • 3123373025 | +1 312-337-3025 Illinois U.S.A.
  • 3123373026 | +1 312-337-3026 Illinois U.S.A.
  • 3123373027 | +1 312-337-3027 Illinois U.S.A.
  • 3123373028 | +1 312-337-3028 Illinois U.S.A.
  • 3123373029 | +1 312-337-3029 Illinois U.S.A.
  • 3123373030 | +1 312-337-3030 Illinois U.S.A.
  • 3123373031 | +1 312-337-3031 Illinois U.S.A.
  • 3123373032 | +1 312-337-3032 Illinois U.S.A.
  • 3123373033 | +1 312-337-3033 Illinois U.S.A.
  • 3123373034 | +1 312-337-3034 Illinois U.S.A.
  • 3123373035 | +1 312-337-3035 Illinois U.S.A.
  • 3123373036 | +1 312-337-3036 Illinois U.S.A.
  • 3123373037 | +1 312-337-3037 Illinois U.S.A.
  • 3123373038 | +1 312-337-3038 Illinois U.S.A.
  • 3123373039 | +1 312-337-3039 Illinois U.S.A.
  • 3123373040 | +1 312-337-3040 Illinois U.S.A.
  • 3123373041 | +1 312-337-3041 Illinois U.S.A.
  • 3123373042 | +1 312-337-3042 Illinois U.S.A.
  • 3123373043 | +1 312-337-3043 Illinois U.S.A.
  • 3123373044 | +1 312-337-3044 Illinois U.S.A.
  • 3123373045 | +1 312-337-3045 Illinois U.S.A.
  • 3123373046 | +1 312-337-3046 Illinois U.S.A.
  • 3123373047 | +1 312-337-3047 Illinois U.S.A.
  • 3123373048 | +1 312-337-3048 Illinois U.S.A.
  • 3123373049 | +1 312-337-3049 Illinois U.S.A.
  • 3123373050 | +1 312-337-3050 Illinois U.S.A.
  • 3123373051 | +1 312-337-3051 Illinois U.S.A.
  • 3123373052 | +1 312-337-3052 Illinois U.S.A.
  • 3123373053 | +1 312-337-3053 Illinois U.S.A.
  • 3123373054 | +1 312-337-3054 Illinois U.S.A.
  • 3123373055 | +1 312-337-3055 Illinois U.S.A.
  • 3123373056 | +1 312-337-3056 Illinois U.S.A.
  • 3123373057 | +1 312-337-3057 Illinois U.S.A.
  • 3123373058 | +1 312-337-3058 Illinois U.S.A.
  • 3123373059 | +1 312-337-3059 Illinois U.S.A.
  • 3123373060 | +1 312-337-3060 Illinois U.S.A.
  • 3123373061 | +1 312-337-3061 Illinois U.S.A.
  • 3123373062 | +1 312-337-3062 Illinois U.S.A.
  • 3123373063 | +1 312-337-3063 Illinois U.S.A.
  • 3123373064 | +1 312-337-3064 Illinois U.S.A.
  • 3123373065 | +1 312-337-3065 Illinois U.S.A.
  • 3123373066 | +1 312-337-3066 Illinois U.S.A.
  • 3123373067 | +1 312-337-3067 Illinois U.S.A.
  • 3123373068 | +1 312-337-3068 Illinois U.S.A.
  • 3123373069 | +1 312-337-3069 Illinois U.S.A.
  • 3123373070 | +1 312-337-3070 Illinois U.S.A.
  • 3123373071 | +1 312-337-3071 Illinois U.S.A.
  • 3123373072 | +1 312-337-3072 Illinois U.S.A.
  • 3123373073 | +1 312-337-3073 Illinois U.S.A.
  • 3123373074 | +1 312-337-3074 Illinois U.S.A.
  • 3123373075 | +1 312-337-3075 Illinois U.S.A.
  • 3123373076 | +1 312-337-3076 Illinois U.S.A.
  • 3123373077 | +1 312-337-3077 Illinois U.S.A.
  • 3123373078 | +1 312-337-3078 Illinois U.S.A.
  • 3123373079 | +1 312-337-3079 Illinois U.S.A.
  • 3123373080 | +1 312-337-3080 Illinois U.S.A.
  • 3123373081 | +1 312-337-3081 Illinois U.S.A.
  • 3123373082 | +1 312-337-3082 Illinois U.S.A.
  • 3123373083 | +1 312-337-3083 Illinois U.S.A.
  • 3123373084 | +1 312-337-3084 Illinois U.S.A.
  • 3123373085 | +1 312-337-3085 Illinois U.S.A.
  • 3123373086 | +1 312-337-3086 Illinois U.S.A.
  • 3123373087 | +1 312-337-3087 Illinois U.S.A.
  • 3123373088 | +1 312-337-3088 Illinois U.S.A.
  • 3123373089 | +1 312-337-3089 Illinois U.S.A.
  • 3123373090 | +1 312-337-3090 Illinois U.S.A.
  • 3123373091 | +1 312-337-3091 Illinois U.S.A.
  • 3123373092 | +1 312-337-3092 Illinois U.S.A.
  • 3123373093 | +1 312-337-3093 Illinois U.S.A.
  • 3123373094 | +1 312-337-3094 Illinois U.S.A.
  • 3123373095 | +1 312-337-3095 Illinois U.S.A.
  • 3123373096 | +1 312-337-3096 Illinois U.S.A.
  • 3123373097 | +1 312-337-3097 Illinois U.S.A.
  • 3123373098 | +1 312-337-3098 Illinois U.S.A.
  • 3123373099 | +1 312-337-3099 Illinois U.S.A.