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).

  • 3125423000 | +1 312-542-3000 Illinois U.S.A.
  • 3125423001 | +1 312-542-3001 Illinois U.S.A.
  • 3125423002 | +1 312-542-3002 Illinois U.S.A.
  • 3125423003 | +1 312-542-3003 Illinois U.S.A.
  • 3125423004 | +1 312-542-3004 Illinois U.S.A.
  • 3125423005 | +1 312-542-3005 Illinois U.S.A.
  • 3125423006 | +1 312-542-3006 Illinois U.S.A.
  • 3125423007 | +1 312-542-3007 Illinois U.S.A.
  • 3125423008 | +1 312-542-3008 Illinois U.S.A.
  • 3125423009 | +1 312-542-3009 Illinois U.S.A.
  • 3125423010 | +1 312-542-3010 Illinois U.S.A.
  • 3125423011 | +1 312-542-3011 Illinois U.S.A.
  • 3125423012 | +1 312-542-3012 Illinois U.S.A.
  • 3125423013 | +1 312-542-3013 Illinois U.S.A.
  • 3125423014 | +1 312-542-3014 Illinois U.S.A.
  • 3125423015 | +1 312-542-3015 Illinois U.S.A.
  • 3125423016 | +1 312-542-3016 Illinois U.S.A.
  • 3125423017 | +1 312-542-3017 Illinois U.S.A.
  • 3125423018 | +1 312-542-3018 Illinois U.S.A.
  • 3125423019 | +1 312-542-3019 Illinois U.S.A.
  • 3125423020 | +1 312-542-3020 Illinois U.S.A.
  • 3125423021 | +1 312-542-3021 Illinois U.S.A.
  • 3125423022 | +1 312-542-3022 Illinois U.S.A.
  • 3125423023 | +1 312-542-3023 Illinois U.S.A.
  • 3125423024 | +1 312-542-3024 Illinois U.S.A.
  • 3125423025 | +1 312-542-3025 Illinois U.S.A.
  • 3125423026 | +1 312-542-3026 Illinois U.S.A.
  • 3125423027 | +1 312-542-3027 Illinois U.S.A.
  • 3125423028 | +1 312-542-3028 Illinois U.S.A.
  • 3125423029 | +1 312-542-3029 Illinois U.S.A.
  • 3125423030 | +1 312-542-3030 Illinois U.S.A.
  • 3125423031 | +1 312-542-3031 Illinois U.S.A.
  • 3125423032 | +1 312-542-3032 Illinois U.S.A.
  • 3125423033 | +1 312-542-3033 Illinois U.S.A.
  • 3125423034 | +1 312-542-3034 Illinois U.S.A.
  • 3125423035 | +1 312-542-3035 Illinois U.S.A.
  • 3125423036 | +1 312-542-3036 Illinois U.S.A.
  • 3125423037 | +1 312-542-3037 Illinois U.S.A.
  • 3125423038 | +1 312-542-3038 Illinois U.S.A.
  • 3125423039 | +1 312-542-3039 Illinois U.S.A.
  • 3125423040 | +1 312-542-3040 Illinois U.S.A.
  • 3125423041 | +1 312-542-3041 Illinois U.S.A.
  • 3125423042 | +1 312-542-3042 Illinois U.S.A.
  • 3125423043 | +1 312-542-3043 Illinois U.S.A.
  • 3125423044 | +1 312-542-3044 Illinois U.S.A.
  • 3125423045 | +1 312-542-3045 Illinois U.S.A.
  • 3125423046 | +1 312-542-3046 Illinois U.S.A.
  • 3125423047 | +1 312-542-3047 Illinois U.S.A.
  • 3125423048 | +1 312-542-3048 Illinois U.S.A.
  • 3125423049 | +1 312-542-3049 Illinois U.S.A.
  • 3125423050 | +1 312-542-3050 Illinois U.S.A.
  • 3125423051 | +1 312-542-3051 Illinois U.S.A.
  • 3125423052 | +1 312-542-3052 Illinois U.S.A.
  • 3125423053 | +1 312-542-3053 Illinois U.S.A.
  • 3125423054 | +1 312-542-3054 Illinois U.S.A.
  • 3125423055 | +1 312-542-3055 Illinois U.S.A.
  • 3125423056 | +1 312-542-3056 Illinois U.S.A.
  • 3125423057 | +1 312-542-3057 Illinois U.S.A.
  • 3125423058 | +1 312-542-3058 Illinois U.S.A.
  • 3125423059 | +1 312-542-3059 Illinois U.S.A.
  • 3125423060 | +1 312-542-3060 Illinois U.S.A.
  • 3125423061 | +1 312-542-3061 Illinois U.S.A.
  • 3125423062 | +1 312-542-3062 Illinois U.S.A.
  • 3125423063 | +1 312-542-3063 Illinois U.S.A.
  • 3125423064 | +1 312-542-3064 Illinois U.S.A.
  • 3125423065 | +1 312-542-3065 Illinois U.S.A.
  • 3125423066 | +1 312-542-3066 Illinois U.S.A.
  • 3125423067 | +1 312-542-3067 Illinois U.S.A.
  • 3125423068 | +1 312-542-3068 Illinois U.S.A.
  • 3125423069 | +1 312-542-3069 Illinois U.S.A.
  • 3125423070 | +1 312-542-3070 Illinois U.S.A.
  • 3125423071 | +1 312-542-3071 Illinois U.S.A.
  • 3125423072 | +1 312-542-3072 Illinois U.S.A.
  • 3125423073 | +1 312-542-3073 Illinois U.S.A.
  • 3125423074 | +1 312-542-3074 Illinois U.S.A.
  • 3125423075 | +1 312-542-3075 Illinois U.S.A.
  • 3125423076 | +1 312-542-3076 Illinois U.S.A.
  • 3125423077 | +1 312-542-3077 Illinois U.S.A.
  • 3125423078 | +1 312-542-3078 Illinois U.S.A.
  • 3125423079 | +1 312-542-3079 Illinois U.S.A.
  • 3125423080 | +1 312-542-3080 Illinois U.S.A.
  • 3125423081 | +1 312-542-3081 Illinois U.S.A.
  • 3125423082 | +1 312-542-3082 Illinois U.S.A.
  • 3125423083 | +1 312-542-3083 Illinois U.S.A.
  • 3125423084 | +1 312-542-3084 Illinois U.S.A.
  • 3125423085 | +1 312-542-3085 Illinois U.S.A.
  • 3125423086 | +1 312-542-3086 Illinois U.S.A.
  • 3125423087 | +1 312-542-3087 Illinois U.S.A.
  • 3125423088 | +1 312-542-3088 Illinois U.S.A.
  • 3125423089 | +1 312-542-3089 Illinois U.S.A.
  • 3125423090 | +1 312-542-3090 Illinois U.S.A.
  • 3125423091 | +1 312-542-3091 Illinois U.S.A.
  • 3125423092 | +1 312-542-3092 Illinois U.S.A.
  • 3125423093 | +1 312-542-3093 Illinois U.S.A.
  • 3125423094 | +1 312-542-3094 Illinois U.S.A.
  • 3125423095 | +1 312-542-3095 Illinois U.S.A.
  • 3125423096 | +1 312-542-3096 Illinois U.S.A.
  • 3125423097 | +1 312-542-3097 Illinois U.S.A.
  • 3125423098 | +1 312-542-3098 Illinois U.S.A.
  • 3125423099 | +1 312-542-3099 Illinois U.S.A.