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).

  • 3123003100 | +1 312-300-3100 Illinois U.S.A.
  • 3123003101 | +1 312-300-3101 Illinois U.S.A.
  • 3123003102 | +1 312-300-3102 Illinois U.S.A.
  • 3123003103 | +1 312-300-3103 Illinois U.S.A.
  • 3123003104 | +1 312-300-3104 Illinois U.S.A.
  • 3123003105 | +1 312-300-3105 Illinois U.S.A.
  • 3123003106 | +1 312-300-3106 Illinois U.S.A.
  • 3123003107 | +1 312-300-3107 Illinois U.S.A.
  • 3123003108 | +1 312-300-3108 Illinois U.S.A.
  • 3123003109 | +1 312-300-3109 Illinois U.S.A.
  • 3123003110 | +1 312-300-3110 Illinois U.S.A.
  • 3123003111 | +1 312-300-3111 Illinois U.S.A.
  • 3123003112 | +1 312-300-3112 Illinois U.S.A.
  • 3123003113 | +1 312-300-3113 Illinois U.S.A.
  • 3123003114 | +1 312-300-3114 Illinois U.S.A.
  • 3123003115 | +1 312-300-3115 Illinois U.S.A.
  • 3123003116 | +1 312-300-3116 Illinois U.S.A.
  • 3123003117 | +1 312-300-3117 Illinois U.S.A.
  • 3123003118 | +1 312-300-3118 Illinois U.S.A.
  • 3123003119 | +1 312-300-3119 Illinois U.S.A.
  • 3123003120 | +1 312-300-3120 Illinois U.S.A.
  • 3123003121 | +1 312-300-3121 Illinois U.S.A.
  • 3123003122 | +1 312-300-3122 Illinois U.S.A.
  • 3123003123 | +1 312-300-3123 Illinois U.S.A.
  • 3123003124 | +1 312-300-3124 Illinois U.S.A.
  • 3123003125 | +1 312-300-3125 Illinois U.S.A.
  • 3123003126 | +1 312-300-3126 Illinois U.S.A.
  • 3123003127 | +1 312-300-3127 Illinois U.S.A.
  • 3123003128 | +1 312-300-3128 Illinois U.S.A.
  • 3123003129 | +1 312-300-3129 Illinois U.S.A.
  • 3123003130 | +1 312-300-3130 Illinois U.S.A.
  • 3123003131 | +1 312-300-3131 Illinois U.S.A.
  • 3123003132 | +1 312-300-3132 Illinois U.S.A.
  • 3123003133 | +1 312-300-3133 Illinois U.S.A.
  • 3123003134 | +1 312-300-3134 Illinois U.S.A.
  • 3123003135 | +1 312-300-3135 Illinois U.S.A.
  • 3123003136 | +1 312-300-3136 Illinois U.S.A.
  • 3123003137 | +1 312-300-3137 Illinois U.S.A.
  • 3123003138 | +1 312-300-3138 Illinois U.S.A.
  • 3123003139 | +1 312-300-3139 Illinois U.S.A.
  • 3123003140 | +1 312-300-3140 Illinois U.S.A.
  • 3123003141 | +1 312-300-3141 Illinois U.S.A.
  • 3123003142 | +1 312-300-3142 Illinois U.S.A.
  • 3123003143 | +1 312-300-3143 Illinois U.S.A.
  • 3123003144 | +1 312-300-3144 Illinois U.S.A.
  • 3123003145 | +1 312-300-3145 Illinois U.S.A.
  • 3123003146 | +1 312-300-3146 Illinois U.S.A.
  • 3123003147 | +1 312-300-3147 Illinois U.S.A.
  • 3123003148 | +1 312-300-3148 Illinois U.S.A.
  • 3123003149 | +1 312-300-3149 Illinois U.S.A.
  • 3123003150 | +1 312-300-3150 Illinois U.S.A.
  • 3123003151 | +1 312-300-3151 Illinois U.S.A.
  • 3123003152 | +1 312-300-3152 Illinois U.S.A.
  • 3123003153 | +1 312-300-3153 Illinois U.S.A.
  • 3123003154 | +1 312-300-3154 Illinois U.S.A.
  • 3123003155 | +1 312-300-3155 Illinois U.S.A.
  • 3123003156 | +1 312-300-3156 Illinois U.S.A.
  • 3123003157 | +1 312-300-3157 Illinois U.S.A.
  • 3123003158 | +1 312-300-3158 Illinois U.S.A.
  • 3123003159 | +1 312-300-3159 Illinois U.S.A.
  • 3123003160 | +1 312-300-3160 Illinois U.S.A.
  • 3123003161 | +1 312-300-3161 Illinois U.S.A.
  • 3123003162 | +1 312-300-3162 Illinois U.S.A.
  • 3123003163 | +1 312-300-3163 Illinois U.S.A.
  • 3123003164 | +1 312-300-3164 Illinois U.S.A.
  • 3123003165 | +1 312-300-3165 Illinois U.S.A.
  • 3123003166 | +1 312-300-3166 Illinois U.S.A.
  • 3123003167 | +1 312-300-3167 Illinois U.S.A.
  • 3123003168 | +1 312-300-3168 Illinois U.S.A.
  • 3123003169 | +1 312-300-3169 Illinois U.S.A.
  • 3123003170 | +1 312-300-3170 Illinois U.S.A.
  • 3123003171 | +1 312-300-3171 Illinois U.S.A.
  • 3123003172 | +1 312-300-3172 Illinois U.S.A.
  • 3123003173 | +1 312-300-3173 Illinois U.S.A.
  • 3123003174 | +1 312-300-3174 Illinois U.S.A.
  • 3123003175 | +1 312-300-3175 Illinois U.S.A.
  • 3123003176 | +1 312-300-3176 Illinois U.S.A.
  • 3123003177 | +1 312-300-3177 Illinois U.S.A.
  • 3123003178 | +1 312-300-3178 Illinois U.S.A.
  • 3123003179 | +1 312-300-3179 Illinois U.S.A.
  • 3123003180 | +1 312-300-3180 Illinois U.S.A.
  • 3123003181 | +1 312-300-3181 Illinois U.S.A.
  • 3123003182 | +1 312-300-3182 Illinois U.S.A.
  • 3123003183 | +1 312-300-3183 Illinois U.S.A.
  • 3123003184 | +1 312-300-3184 Illinois U.S.A.
  • 3123003185 | +1 312-300-3185 Illinois U.S.A.
  • 3123003186 | +1 312-300-3186 Illinois U.S.A.
  • 3123003187 | +1 312-300-3187 Illinois U.S.A.
  • 3123003188 | +1 312-300-3188 Illinois U.S.A.
  • 3123003189 | +1 312-300-3189 Illinois U.S.A.
  • 3123003190 | +1 312-300-3190 Illinois U.S.A.
  • 3123003191 | +1 312-300-3191 Illinois U.S.A.
  • 3123003192 | +1 312-300-3192 Illinois U.S.A.
  • 3123003193 | +1 312-300-3193 Illinois U.S.A.
  • 3123003194 | +1 312-300-3194 Illinois U.S.A.
  • 3123003195 | +1 312-300-3195 Illinois U.S.A.
  • 3123003196 | +1 312-300-3196 Illinois U.S.A.
  • 3123003197 | +1 312-300-3197 Illinois U.S.A.
  • 3123003198 | +1 312-300-3198 Illinois U.S.A.
  • 3123003199 | +1 312-300-3199 Illinois U.S.A.