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).

  • 3124303000 | +1 312-430-3000 Illinois U.S.A.
  • 3124303001 | +1 312-430-3001 Illinois U.S.A.
  • 3124303002 | +1 312-430-3002 Illinois U.S.A.
  • 3124303003 | +1 312-430-3003 Illinois U.S.A.
  • 3124303004 | +1 312-430-3004 Illinois U.S.A.
  • 3124303005 | +1 312-430-3005 Illinois U.S.A.
  • 3124303006 | +1 312-430-3006 Illinois U.S.A.
  • 3124303007 | +1 312-430-3007 Illinois U.S.A.
  • 3124303008 | +1 312-430-3008 Illinois U.S.A.
  • 3124303009 | +1 312-430-3009 Illinois U.S.A.
  • 3124303010 | +1 312-430-3010 Illinois U.S.A.
  • 3124303011 | +1 312-430-3011 Illinois U.S.A.
  • 3124303012 | +1 312-430-3012 Illinois U.S.A.
  • 3124303013 | +1 312-430-3013 Illinois U.S.A.
  • 3124303014 | +1 312-430-3014 Illinois U.S.A.
  • 3124303015 | +1 312-430-3015 Illinois U.S.A.
  • 3124303016 | +1 312-430-3016 Illinois U.S.A.
  • 3124303017 | +1 312-430-3017 Illinois U.S.A.
  • 3124303018 | +1 312-430-3018 Illinois U.S.A.
  • 3124303019 | +1 312-430-3019 Illinois U.S.A.
  • 3124303020 | +1 312-430-3020 Illinois U.S.A.
  • 3124303021 | +1 312-430-3021 Illinois U.S.A.
  • 3124303022 | +1 312-430-3022 Illinois U.S.A.
  • 3124303023 | +1 312-430-3023 Illinois U.S.A.
  • 3124303024 | +1 312-430-3024 Illinois U.S.A.
  • 3124303025 | +1 312-430-3025 Illinois U.S.A.
  • 3124303026 | +1 312-430-3026 Illinois U.S.A.
  • 3124303027 | +1 312-430-3027 Illinois U.S.A.
  • 3124303028 | +1 312-430-3028 Illinois U.S.A.
  • 3124303029 | +1 312-430-3029 Illinois U.S.A.
  • 3124303030 | +1 312-430-3030 Illinois U.S.A.
  • 3124303031 | +1 312-430-3031 Illinois U.S.A.
  • 3124303032 | +1 312-430-3032 Illinois U.S.A.
  • 3124303033 | +1 312-430-3033 Illinois U.S.A.
  • 3124303034 | +1 312-430-3034 Illinois U.S.A.
  • 3124303035 | +1 312-430-3035 Illinois U.S.A.
  • 3124303036 | +1 312-430-3036 Illinois U.S.A.
  • 3124303037 | +1 312-430-3037 Illinois U.S.A.
  • 3124303038 | +1 312-430-3038 Illinois U.S.A.
  • 3124303039 | +1 312-430-3039 Illinois U.S.A.
  • 3124303040 | +1 312-430-3040 Illinois U.S.A.
  • 3124303041 | +1 312-430-3041 Illinois U.S.A.
  • 3124303042 | +1 312-430-3042 Illinois U.S.A.
  • 3124303043 | +1 312-430-3043 Illinois U.S.A.
  • 3124303044 | +1 312-430-3044 Illinois U.S.A.
  • 3124303045 | +1 312-430-3045 Illinois U.S.A.
  • 3124303046 | +1 312-430-3046 Illinois U.S.A.
  • 3124303047 | +1 312-430-3047 Illinois U.S.A.
  • 3124303048 | +1 312-430-3048 Illinois U.S.A.
  • 3124303049 | +1 312-430-3049 Illinois U.S.A.
  • 3124303050 | +1 312-430-3050 Illinois U.S.A.
  • 3124303051 | +1 312-430-3051 Illinois U.S.A.
  • 3124303052 | +1 312-430-3052 Illinois U.S.A.
  • 3124303053 | +1 312-430-3053 Illinois U.S.A.
  • 3124303054 | +1 312-430-3054 Illinois U.S.A.
  • 3124303055 | +1 312-430-3055 Illinois U.S.A.
  • 3124303056 | +1 312-430-3056 Illinois U.S.A.
  • 3124303057 | +1 312-430-3057 Illinois U.S.A.
  • 3124303058 | +1 312-430-3058 Illinois U.S.A.
  • 3124303059 | +1 312-430-3059 Illinois U.S.A.
  • 3124303060 | +1 312-430-3060 Illinois U.S.A.
  • 3124303061 | +1 312-430-3061 Illinois U.S.A.
  • 3124303062 | +1 312-430-3062 Illinois U.S.A.
  • 3124303063 | +1 312-430-3063 Illinois U.S.A.
  • 3124303064 | +1 312-430-3064 Illinois U.S.A.
  • 3124303065 | +1 312-430-3065 Illinois U.S.A.
  • 3124303066 | +1 312-430-3066 Illinois U.S.A.
  • 3124303067 | +1 312-430-3067 Illinois U.S.A.
  • 3124303068 | +1 312-430-3068 Illinois U.S.A.
  • 3124303069 | +1 312-430-3069 Illinois U.S.A.
  • 3124303070 | +1 312-430-3070 Illinois U.S.A.
  • 3124303071 | +1 312-430-3071 Illinois U.S.A.
  • 3124303072 | +1 312-430-3072 Illinois U.S.A.
  • 3124303073 | +1 312-430-3073 Illinois U.S.A.
  • 3124303074 | +1 312-430-3074 Illinois U.S.A.
  • 3124303075 | +1 312-430-3075 Illinois U.S.A.
  • 3124303076 | +1 312-430-3076 Illinois U.S.A.
  • 3124303077 | +1 312-430-3077 Illinois U.S.A.
  • 3124303078 | +1 312-430-3078 Illinois U.S.A.
  • 3124303079 | +1 312-430-3079 Illinois U.S.A.
  • 3124303080 | +1 312-430-3080 Illinois U.S.A.
  • 3124303081 | +1 312-430-3081 Illinois U.S.A.
  • 3124303082 | +1 312-430-3082 Illinois U.S.A.
  • 3124303083 | +1 312-430-3083 Illinois U.S.A.
  • 3124303084 | +1 312-430-3084 Illinois U.S.A.
  • 3124303085 | +1 312-430-3085 Illinois U.S.A.
  • 3124303086 | +1 312-430-3086 Illinois U.S.A.
  • 3124303087 | +1 312-430-3087 Illinois U.S.A.
  • 3124303088 | +1 312-430-3088 Illinois U.S.A.
  • 3124303089 | +1 312-430-3089 Illinois U.S.A.
  • 3124303090 | +1 312-430-3090 Illinois U.S.A.
  • 3124303091 | +1 312-430-3091 Illinois U.S.A.
  • 3124303092 | +1 312-430-3092 Illinois U.S.A.
  • 3124303093 | +1 312-430-3093 Illinois U.S.A.
  • 3124303094 | +1 312-430-3094 Illinois U.S.A.
  • 3124303095 | +1 312-430-3095 Illinois U.S.A.
  • 3124303096 | +1 312-430-3096 Illinois U.S.A.
  • 3124303097 | +1 312-430-3097 Illinois U.S.A.
  • 3124303098 | +1 312-430-3098 Illinois U.S.A.
  • 3124303099 | +1 312-430-3099 Illinois U.S.A.