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).

  • 3122303000 | +1 312-230-3000 Illinois U.S.A.
  • 3122303001 | +1 312-230-3001 Illinois U.S.A.
  • 3122303002 | +1 312-230-3002 Illinois U.S.A.
  • 3122303003 | +1 312-230-3003 Illinois U.S.A.
  • 3122303004 | +1 312-230-3004 Illinois U.S.A.
  • 3122303005 | +1 312-230-3005 Illinois U.S.A.
  • 3122303006 | +1 312-230-3006 Illinois U.S.A.
  • 3122303007 | +1 312-230-3007 Illinois U.S.A.
  • 3122303008 | +1 312-230-3008 Illinois U.S.A.
  • 3122303009 | +1 312-230-3009 Illinois U.S.A.
  • 3122303010 | +1 312-230-3010 Illinois U.S.A.
  • 3122303011 | +1 312-230-3011 Illinois U.S.A.
  • 3122303012 | +1 312-230-3012 Illinois U.S.A.
  • 3122303013 | +1 312-230-3013 Illinois U.S.A.
  • 3122303014 | +1 312-230-3014 Illinois U.S.A.
  • 3122303015 | +1 312-230-3015 Illinois U.S.A.
  • 3122303016 | +1 312-230-3016 Illinois U.S.A.
  • 3122303017 | +1 312-230-3017 Illinois U.S.A.
  • 3122303018 | +1 312-230-3018 Illinois U.S.A.
  • 3122303019 | +1 312-230-3019 Illinois U.S.A.
  • 3122303020 | +1 312-230-3020 Illinois U.S.A.
  • 3122303021 | +1 312-230-3021 Illinois U.S.A.
  • 3122303022 | +1 312-230-3022 Illinois U.S.A.
  • 3122303023 | +1 312-230-3023 Illinois U.S.A.
  • 3122303024 | +1 312-230-3024 Illinois U.S.A.
  • 3122303025 | +1 312-230-3025 Illinois U.S.A.
  • 3122303026 | +1 312-230-3026 Illinois U.S.A.
  • 3122303027 | +1 312-230-3027 Illinois U.S.A.
  • 3122303028 | +1 312-230-3028 Illinois U.S.A.
  • 3122303029 | +1 312-230-3029 Illinois U.S.A.
  • 3122303030 | +1 312-230-3030 Illinois U.S.A.
  • 3122303031 | +1 312-230-3031 Illinois U.S.A.
  • 3122303032 | +1 312-230-3032 Illinois U.S.A.
  • 3122303033 | +1 312-230-3033 Illinois U.S.A.
  • 3122303034 | +1 312-230-3034 Illinois U.S.A.
  • 3122303035 | +1 312-230-3035 Illinois U.S.A.
  • 3122303036 | +1 312-230-3036 Illinois U.S.A.
  • 3122303037 | +1 312-230-3037 Illinois U.S.A.
  • 3122303038 | +1 312-230-3038 Illinois U.S.A.
  • 3122303039 | +1 312-230-3039 Illinois U.S.A.
  • 3122303040 | +1 312-230-3040 Illinois U.S.A.
  • 3122303041 | +1 312-230-3041 Illinois U.S.A.
  • 3122303042 | +1 312-230-3042 Illinois U.S.A.
  • 3122303043 | +1 312-230-3043 Illinois U.S.A.
  • 3122303044 | +1 312-230-3044 Illinois U.S.A.
  • 3122303045 | +1 312-230-3045 Illinois U.S.A.
  • 3122303046 | +1 312-230-3046 Illinois U.S.A.
  • 3122303047 | +1 312-230-3047 Illinois U.S.A.
  • 3122303048 | +1 312-230-3048 Illinois U.S.A.
  • 3122303049 | +1 312-230-3049 Illinois U.S.A.
  • 3122303050 | +1 312-230-3050 Illinois U.S.A.
  • 3122303051 | +1 312-230-3051 Illinois U.S.A.
  • 3122303052 | +1 312-230-3052 Illinois U.S.A.
  • 3122303053 | +1 312-230-3053 Illinois U.S.A.
  • 3122303054 | +1 312-230-3054 Illinois U.S.A.
  • 3122303055 | +1 312-230-3055 Illinois U.S.A.
  • 3122303056 | +1 312-230-3056 Illinois U.S.A.
  • 3122303057 | +1 312-230-3057 Illinois U.S.A.
  • 3122303058 | +1 312-230-3058 Illinois U.S.A.
  • 3122303059 | +1 312-230-3059 Illinois U.S.A.
  • 3122303060 | +1 312-230-3060 Illinois U.S.A.
  • 3122303061 | +1 312-230-3061 Illinois U.S.A.
  • 3122303062 | +1 312-230-3062 Illinois U.S.A.
  • 3122303063 | +1 312-230-3063 Illinois U.S.A.
  • 3122303064 | +1 312-230-3064 Illinois U.S.A.
  • 3122303065 | +1 312-230-3065 Illinois U.S.A.
  • 3122303066 | +1 312-230-3066 Illinois U.S.A.
  • 3122303067 | +1 312-230-3067 Illinois U.S.A.
  • 3122303068 | +1 312-230-3068 Illinois U.S.A.
  • 3122303069 | +1 312-230-3069 Illinois U.S.A.
  • 3122303070 | +1 312-230-3070 Illinois U.S.A.
  • 3122303071 | +1 312-230-3071 Illinois U.S.A.
  • 3122303072 | +1 312-230-3072 Illinois U.S.A.
  • 3122303073 | +1 312-230-3073 Illinois U.S.A.
  • 3122303074 | +1 312-230-3074 Illinois U.S.A.
  • 3122303075 | +1 312-230-3075 Illinois U.S.A.
  • 3122303076 | +1 312-230-3076 Illinois U.S.A.
  • 3122303077 | +1 312-230-3077 Illinois U.S.A.
  • 3122303078 | +1 312-230-3078 Illinois U.S.A.
  • 3122303079 | +1 312-230-3079 Illinois U.S.A.
  • 3122303080 | +1 312-230-3080 Illinois U.S.A.
  • 3122303081 | +1 312-230-3081 Illinois U.S.A.
  • 3122303082 | +1 312-230-3082 Illinois U.S.A.
  • 3122303083 | +1 312-230-3083 Illinois U.S.A.
  • 3122303084 | +1 312-230-3084 Illinois U.S.A.
  • 3122303085 | +1 312-230-3085 Illinois U.S.A.
  • 3122303086 | +1 312-230-3086 Illinois U.S.A.
  • 3122303087 | +1 312-230-3087 Illinois U.S.A.
  • 3122303088 | +1 312-230-3088 Illinois U.S.A.
  • 3122303089 | +1 312-230-3089 Illinois U.S.A.
  • 3122303090 | +1 312-230-3090 Illinois U.S.A.
  • 3122303091 | +1 312-230-3091 Illinois U.S.A.
  • 3122303092 | +1 312-230-3092 Illinois U.S.A.
  • 3122303093 | +1 312-230-3093 Illinois U.S.A.
  • 3122303094 | +1 312-230-3094 Illinois U.S.A.
  • 3122303095 | +1 312-230-3095 Illinois U.S.A.
  • 3122303096 | +1 312-230-3096 Illinois U.S.A.
  • 3122303097 | +1 312-230-3097 Illinois U.S.A.
  • 3122303098 | +1 312-230-3098 Illinois U.S.A.
  • 3122303099 | +1 312-230-3099 Illinois U.S.A.