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).

  • 3127243000 | +1 312-724-3000 Illinois U.S.A.
  • 3127243001 | +1 312-724-3001 Illinois U.S.A.
  • 3127243002 | +1 312-724-3002 Illinois U.S.A.
  • 3127243003 | +1 312-724-3003 Illinois U.S.A.
  • 3127243004 | +1 312-724-3004 Illinois U.S.A.
  • 3127243005 | +1 312-724-3005 Illinois U.S.A.
  • 3127243006 | +1 312-724-3006 Illinois U.S.A.
  • 3127243007 | +1 312-724-3007 Illinois U.S.A.
  • 3127243008 | +1 312-724-3008 Illinois U.S.A.
  • 3127243009 | +1 312-724-3009 Illinois U.S.A.
  • 3127243010 | +1 312-724-3010 Illinois U.S.A.
  • 3127243011 | +1 312-724-3011 Illinois U.S.A.
  • 3127243012 | +1 312-724-3012 Illinois U.S.A.
  • 3127243013 | +1 312-724-3013 Illinois U.S.A.
  • 3127243014 | +1 312-724-3014 Illinois U.S.A.
  • 3127243015 | +1 312-724-3015 Illinois U.S.A.
  • 3127243016 | +1 312-724-3016 Illinois U.S.A.
  • 3127243017 | +1 312-724-3017 Illinois U.S.A.
  • 3127243018 | +1 312-724-3018 Illinois U.S.A.
  • 3127243019 | +1 312-724-3019 Illinois U.S.A.
  • 3127243020 | +1 312-724-3020 Illinois U.S.A.
  • 3127243021 | +1 312-724-3021 Illinois U.S.A.
  • 3127243022 | +1 312-724-3022 Illinois U.S.A.
  • 3127243023 | +1 312-724-3023 Illinois U.S.A.
  • 3127243024 | +1 312-724-3024 Illinois U.S.A.
  • 3127243025 | +1 312-724-3025 Illinois U.S.A.
  • 3127243026 | +1 312-724-3026 Illinois U.S.A.
  • 3127243027 | +1 312-724-3027 Illinois U.S.A.
  • 3127243028 | +1 312-724-3028 Illinois U.S.A.
  • 3127243029 | +1 312-724-3029 Illinois U.S.A.
  • 3127243030 | +1 312-724-3030 Illinois U.S.A.
  • 3127243031 | +1 312-724-3031 Illinois U.S.A.
  • 3127243032 | +1 312-724-3032 Illinois U.S.A.
  • 3127243033 | +1 312-724-3033 Illinois U.S.A.
  • 3127243034 | +1 312-724-3034 Illinois U.S.A.
  • 3127243035 | +1 312-724-3035 Illinois U.S.A.
  • 3127243036 | +1 312-724-3036 Illinois U.S.A.
  • 3127243037 | +1 312-724-3037 Illinois U.S.A.
  • 3127243038 | +1 312-724-3038 Illinois U.S.A.
  • 3127243039 | +1 312-724-3039 Illinois U.S.A.
  • 3127243040 | +1 312-724-3040 Illinois U.S.A.
  • 3127243041 | +1 312-724-3041 Illinois U.S.A.
  • 3127243042 | +1 312-724-3042 Illinois U.S.A.
  • 3127243043 | +1 312-724-3043 Illinois U.S.A.
  • 3127243044 | +1 312-724-3044 Illinois U.S.A.
  • 3127243045 | +1 312-724-3045 Illinois U.S.A.
  • 3127243046 | +1 312-724-3046 Illinois U.S.A.
  • 3127243047 | +1 312-724-3047 Illinois U.S.A.
  • 3127243048 | +1 312-724-3048 Illinois U.S.A.
  • 3127243049 | +1 312-724-3049 Illinois U.S.A.
  • 3127243050 | +1 312-724-3050 Illinois U.S.A.
  • 3127243051 | +1 312-724-3051 Illinois U.S.A.
  • 3127243052 | +1 312-724-3052 Illinois U.S.A.
  • 3127243053 | +1 312-724-3053 Illinois U.S.A.
  • 3127243054 | +1 312-724-3054 Illinois U.S.A.
  • 3127243055 | +1 312-724-3055 Illinois U.S.A.
  • 3127243056 | +1 312-724-3056 Illinois U.S.A.
  • 3127243057 | +1 312-724-3057 Illinois U.S.A.
  • 3127243058 | +1 312-724-3058 Illinois U.S.A.
  • 3127243059 | +1 312-724-3059 Illinois U.S.A.
  • 3127243060 | +1 312-724-3060 Illinois U.S.A.
  • 3127243061 | +1 312-724-3061 Illinois U.S.A.
  • 3127243062 | +1 312-724-3062 Illinois U.S.A.
  • 3127243063 | +1 312-724-3063 Illinois U.S.A.
  • 3127243064 | +1 312-724-3064 Illinois U.S.A.
  • 3127243065 | +1 312-724-3065 Illinois U.S.A.
  • 3127243066 | +1 312-724-3066 Illinois U.S.A.
  • 3127243067 | +1 312-724-3067 Illinois U.S.A.
  • 3127243068 | +1 312-724-3068 Illinois U.S.A.
  • 3127243069 | +1 312-724-3069 Illinois U.S.A.
  • 3127243070 | +1 312-724-3070 Illinois U.S.A.
  • 3127243071 | +1 312-724-3071 Illinois U.S.A.
  • 3127243072 | +1 312-724-3072 Illinois U.S.A.
  • 3127243073 | +1 312-724-3073 Illinois U.S.A.
  • 3127243074 | +1 312-724-3074 Illinois U.S.A.
  • 3127243075 | +1 312-724-3075 Illinois U.S.A.
  • 3127243076 | +1 312-724-3076 Illinois U.S.A.
  • 3127243077 | +1 312-724-3077 Illinois U.S.A.
  • 3127243078 | +1 312-724-3078 Illinois U.S.A.
  • 3127243079 | +1 312-724-3079 Illinois U.S.A.
  • 3127243080 | +1 312-724-3080 Illinois U.S.A.
  • 3127243081 | +1 312-724-3081 Illinois U.S.A.
  • 3127243082 | +1 312-724-3082 Illinois U.S.A.
  • 3127243083 | +1 312-724-3083 Illinois U.S.A.
  • 3127243084 | +1 312-724-3084 Illinois U.S.A.
  • 3127243085 | +1 312-724-3085 Illinois U.S.A.
  • 3127243086 | +1 312-724-3086 Illinois U.S.A.
  • 3127243087 | +1 312-724-3087 Illinois U.S.A.
  • 3127243088 | +1 312-724-3088 Illinois U.S.A.
  • 3127243089 | +1 312-724-3089 Illinois U.S.A.
  • 3127243090 | +1 312-724-3090 Illinois U.S.A.
  • 3127243091 | +1 312-724-3091 Illinois U.S.A.
  • 3127243092 | +1 312-724-3092 Illinois U.S.A.
  • 3127243093 | +1 312-724-3093 Illinois U.S.A.
  • 3127243094 | +1 312-724-3094 Illinois U.S.A.
  • 3127243095 | +1 312-724-3095 Illinois U.S.A.
  • 3127243096 | +1 312-724-3096 Illinois U.S.A.
  • 3127243097 | +1 312-724-3097 Illinois U.S.A.
  • 3127243098 | +1 312-724-3098 Illinois U.S.A.
  • 3127243099 | +1 312-724-3099 Illinois U.S.A.