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).

  • 3129243000 | +1 312-924-3000 Illinois U.S.A.
  • 3129243001 | +1 312-924-3001 Illinois U.S.A.
  • 3129243002 | +1 312-924-3002 Illinois U.S.A.
  • 3129243003 | +1 312-924-3003 Illinois U.S.A.
  • 3129243004 | +1 312-924-3004 Illinois U.S.A.
  • 3129243005 | +1 312-924-3005 Illinois U.S.A.
  • 3129243006 | +1 312-924-3006 Illinois U.S.A.
  • 3129243007 | +1 312-924-3007 Illinois U.S.A.
  • 3129243008 | +1 312-924-3008 Illinois U.S.A.
  • 3129243009 | +1 312-924-3009 Illinois U.S.A.
  • 3129243010 | +1 312-924-3010 Illinois U.S.A.
  • 3129243011 | +1 312-924-3011 Illinois U.S.A.
  • 3129243012 | +1 312-924-3012 Illinois U.S.A.
  • 3129243013 | +1 312-924-3013 Illinois U.S.A.
  • 3129243014 | +1 312-924-3014 Illinois U.S.A.
  • 3129243015 | +1 312-924-3015 Illinois U.S.A.
  • 3129243016 | +1 312-924-3016 Illinois U.S.A.
  • 3129243017 | +1 312-924-3017 Illinois U.S.A.
  • 3129243018 | +1 312-924-3018 Illinois U.S.A.
  • 3129243019 | +1 312-924-3019 Illinois U.S.A.
  • 3129243020 | +1 312-924-3020 Illinois U.S.A.
  • 3129243021 | +1 312-924-3021 Illinois U.S.A.
  • 3129243022 | +1 312-924-3022 Illinois U.S.A.
  • 3129243023 | +1 312-924-3023 Illinois U.S.A.
  • 3129243024 | +1 312-924-3024 Illinois U.S.A.
  • 3129243025 | +1 312-924-3025 Illinois U.S.A.
  • 3129243026 | +1 312-924-3026 Illinois U.S.A.
  • 3129243027 | +1 312-924-3027 Illinois U.S.A.
  • 3129243028 | +1 312-924-3028 Illinois U.S.A.
  • 3129243029 | +1 312-924-3029 Illinois U.S.A.
  • 3129243030 | +1 312-924-3030 Illinois U.S.A.
  • 3129243031 | +1 312-924-3031 Illinois U.S.A.
  • 3129243032 | +1 312-924-3032 Illinois U.S.A.
  • 3129243033 | +1 312-924-3033 Illinois U.S.A.
  • 3129243034 | +1 312-924-3034 Illinois U.S.A.
  • 3129243035 | +1 312-924-3035 Illinois U.S.A.
  • 3129243036 | +1 312-924-3036 Illinois U.S.A.
  • 3129243037 | +1 312-924-3037 Illinois U.S.A.
  • 3129243038 | +1 312-924-3038 Illinois U.S.A.
  • 3129243039 | +1 312-924-3039 Illinois U.S.A.
  • 3129243040 | +1 312-924-3040 Illinois U.S.A.
  • 3129243041 | +1 312-924-3041 Illinois U.S.A.
  • 3129243042 | +1 312-924-3042 Illinois U.S.A.
  • 3129243043 | +1 312-924-3043 Illinois U.S.A.
  • 3129243044 | +1 312-924-3044 Illinois U.S.A.
  • 3129243045 | +1 312-924-3045 Illinois U.S.A.
  • 3129243046 | +1 312-924-3046 Illinois U.S.A.
  • 3129243047 | +1 312-924-3047 Illinois U.S.A.
  • 3129243048 | +1 312-924-3048 Illinois U.S.A.
  • 3129243049 | +1 312-924-3049 Illinois U.S.A.
  • 3129243050 | +1 312-924-3050 Illinois U.S.A.
  • 3129243051 | +1 312-924-3051 Illinois U.S.A.
  • 3129243052 | +1 312-924-3052 Illinois U.S.A.
  • 3129243053 | +1 312-924-3053 Illinois U.S.A.
  • 3129243054 | +1 312-924-3054 Illinois U.S.A.
  • 3129243055 | +1 312-924-3055 Illinois U.S.A.
  • 3129243056 | +1 312-924-3056 Illinois U.S.A.
  • 3129243057 | +1 312-924-3057 Illinois U.S.A.
  • 3129243058 | +1 312-924-3058 Illinois U.S.A.
  • 3129243059 | +1 312-924-3059 Illinois U.S.A.
  • 3129243060 | +1 312-924-3060 Illinois U.S.A.
  • 3129243061 | +1 312-924-3061 Illinois U.S.A.
  • 3129243062 | +1 312-924-3062 Illinois U.S.A.
  • 3129243063 | +1 312-924-3063 Illinois U.S.A.
  • 3129243064 | +1 312-924-3064 Illinois U.S.A.
  • 3129243065 | +1 312-924-3065 Illinois U.S.A.
  • 3129243066 | +1 312-924-3066 Illinois U.S.A.
  • 3129243067 | +1 312-924-3067 Illinois U.S.A.
  • 3129243068 | +1 312-924-3068 Illinois U.S.A.
  • 3129243069 | +1 312-924-3069 Illinois U.S.A.
  • 3129243070 | +1 312-924-3070 Illinois U.S.A.
  • 3129243071 | +1 312-924-3071 Illinois U.S.A.
  • 3129243072 | +1 312-924-3072 Illinois U.S.A.
  • 3129243073 | +1 312-924-3073 Illinois U.S.A.
  • 3129243074 | +1 312-924-3074 Illinois U.S.A.
  • 3129243075 | +1 312-924-3075 Illinois U.S.A.
  • 3129243076 | +1 312-924-3076 Illinois U.S.A.
  • 3129243077 | +1 312-924-3077 Illinois U.S.A.
  • 3129243078 | +1 312-924-3078 Illinois U.S.A.
  • 3129243079 | +1 312-924-3079 Illinois U.S.A.
  • 3129243080 | +1 312-924-3080 Illinois U.S.A.
  • 3129243081 | +1 312-924-3081 Illinois U.S.A.
  • 3129243082 | +1 312-924-3082 Illinois U.S.A.
  • 3129243083 | +1 312-924-3083 Illinois U.S.A.
  • 3129243084 | +1 312-924-3084 Illinois U.S.A.
  • 3129243085 | +1 312-924-3085 Illinois U.S.A.
  • 3129243086 | +1 312-924-3086 Illinois U.S.A.
  • 3129243087 | +1 312-924-3087 Illinois U.S.A.
  • 3129243088 | +1 312-924-3088 Illinois U.S.A.
  • 3129243089 | +1 312-924-3089 Illinois U.S.A.
  • 3129243090 | +1 312-924-3090 Illinois U.S.A.
  • 3129243091 | +1 312-924-3091 Illinois U.S.A.
  • 3129243092 | +1 312-924-3092 Illinois U.S.A.
  • 3129243093 | +1 312-924-3093 Illinois U.S.A.
  • 3129243094 | +1 312-924-3094 Illinois U.S.A.
  • 3129243095 | +1 312-924-3095 Illinois U.S.A.
  • 3129243096 | +1 312-924-3096 Illinois U.S.A.
  • 3129243097 | +1 312-924-3097 Illinois U.S.A.
  • 3129243098 | +1 312-924-3098 Illinois U.S.A.
  • 3129243099 | +1 312-924-3099 Illinois U.S.A.