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).

  • 3123808100 | +1 312-380-8100 Illinois U.S.A.
  • 3123808101 | +1 312-380-8101 Illinois U.S.A.
  • 3123808102 | +1 312-380-8102 Illinois U.S.A.
  • 3123808103 | +1 312-380-8103 Illinois U.S.A.
  • 3123808104 | +1 312-380-8104 Illinois U.S.A.
  • 3123808105 | +1 312-380-8105 Illinois U.S.A.
  • 3123808106 | +1 312-380-8106 Illinois U.S.A.
  • 3123808107 | +1 312-380-8107 Illinois U.S.A.
  • 3123808108 | +1 312-380-8108 Illinois U.S.A.
  • 3123808109 | +1 312-380-8109 Illinois U.S.A.
  • 3123808110 | +1 312-380-8110 Illinois U.S.A.
  • 3123808111 | +1 312-380-8111 Illinois U.S.A.
  • 3123808112 | +1 312-380-8112 Illinois U.S.A.
  • 3123808113 | +1 312-380-8113 Illinois U.S.A.
  • 3123808114 | +1 312-380-8114 Illinois U.S.A.
  • 3123808115 | +1 312-380-8115 Illinois U.S.A.
  • 3123808116 | +1 312-380-8116 Illinois U.S.A.
  • 3123808117 | +1 312-380-8117 Illinois U.S.A.
  • 3123808118 | +1 312-380-8118 Illinois U.S.A.
  • 3123808119 | +1 312-380-8119 Illinois U.S.A.
  • 3123808120 | +1 312-380-8120 Illinois U.S.A.
  • 3123808121 | +1 312-380-8121 Illinois U.S.A.
  • 3123808122 | +1 312-380-8122 Illinois U.S.A.
  • 3123808123 | +1 312-380-8123 Illinois U.S.A.
  • 3123808124 | +1 312-380-8124 Illinois U.S.A.
  • 3123808125 | +1 312-380-8125 Illinois U.S.A.
  • 3123808126 | +1 312-380-8126 Illinois U.S.A.
  • 3123808127 | +1 312-380-8127 Illinois U.S.A.
  • 3123808128 | +1 312-380-8128 Illinois U.S.A.
  • 3123808129 | +1 312-380-8129 Illinois U.S.A.
  • 3123808130 | +1 312-380-8130 Illinois U.S.A.
  • 3123808131 | +1 312-380-8131 Illinois U.S.A.
  • 3123808132 | +1 312-380-8132 Illinois U.S.A.
  • 3123808133 | +1 312-380-8133 Illinois U.S.A.
  • 3123808134 | +1 312-380-8134 Illinois U.S.A.
  • 3123808135 | +1 312-380-8135 Illinois U.S.A.
  • 3123808136 | +1 312-380-8136 Illinois U.S.A.
  • 3123808137 | +1 312-380-8137 Illinois U.S.A.
  • 3123808138 | +1 312-380-8138 Illinois U.S.A.
  • 3123808139 | +1 312-380-8139 Illinois U.S.A.
  • 3123808140 | +1 312-380-8140 Illinois U.S.A.
  • 3123808141 | +1 312-380-8141 Illinois U.S.A.
  • 3123808142 | +1 312-380-8142 Illinois U.S.A.
  • 3123808143 | +1 312-380-8143 Illinois U.S.A.
  • 3123808144 | +1 312-380-8144 Illinois U.S.A.
  • 3123808145 | +1 312-380-8145 Illinois U.S.A.
  • 3123808146 | +1 312-380-8146 Illinois U.S.A.
  • 3123808147 | +1 312-380-8147 Illinois U.S.A.
  • 3123808148 | +1 312-380-8148 Illinois U.S.A.
  • 3123808149 | +1 312-380-8149 Illinois U.S.A.
  • 3123808150 | +1 312-380-8150 Illinois U.S.A.
  • 3123808151 | +1 312-380-8151 Illinois U.S.A.
  • 3123808152 | +1 312-380-8152 Illinois U.S.A.
  • 3123808153 | +1 312-380-8153 Illinois U.S.A.
  • 3123808154 | +1 312-380-8154 Illinois U.S.A.
  • 3123808155 | +1 312-380-8155 Illinois U.S.A.
  • 3123808156 | +1 312-380-8156 Illinois U.S.A.
  • 3123808157 | +1 312-380-8157 Illinois U.S.A.
  • 3123808158 | +1 312-380-8158 Illinois U.S.A.
  • 3123808159 | +1 312-380-8159 Illinois U.S.A.
  • 3123808160 | +1 312-380-8160 Illinois U.S.A.
  • 3123808161 | +1 312-380-8161 Illinois U.S.A.
  • 3123808162 | +1 312-380-8162 Illinois U.S.A.
  • 3123808163 | +1 312-380-8163 Illinois U.S.A.
  • 3123808164 | +1 312-380-8164 Illinois U.S.A.
  • 3123808165 | +1 312-380-8165 Illinois U.S.A.
  • 3123808166 | +1 312-380-8166 Illinois U.S.A.
  • 3123808167 | +1 312-380-8167 Illinois U.S.A.
  • 3123808168 | +1 312-380-8168 Illinois U.S.A.
  • 3123808169 | +1 312-380-8169 Illinois U.S.A.
  • 3123808170 | +1 312-380-8170 Illinois U.S.A.
  • 3123808171 | +1 312-380-8171 Illinois U.S.A.
  • 3123808172 | +1 312-380-8172 Illinois U.S.A.
  • 3123808173 | +1 312-380-8173 Illinois U.S.A.
  • 3123808174 | +1 312-380-8174 Illinois U.S.A.
  • 3123808175 | +1 312-380-8175 Illinois U.S.A.
  • 3123808176 | +1 312-380-8176 Illinois U.S.A.
  • 3123808177 | +1 312-380-8177 Illinois U.S.A.
  • 3123808178 | +1 312-380-8178 Illinois U.S.A.
  • 3123808179 | +1 312-380-8179 Illinois U.S.A.
  • 3123808180 | +1 312-380-8180 Illinois U.S.A.
  • 3123808181 | +1 312-380-8181 Illinois U.S.A.
  • 3123808182 | +1 312-380-8182 Illinois U.S.A.
  • 3123808183 | +1 312-380-8183 Illinois U.S.A.
  • 3123808184 | +1 312-380-8184 Illinois U.S.A.
  • 3123808185 | +1 312-380-8185 Illinois U.S.A.
  • 3123808186 | +1 312-380-8186 Illinois U.S.A.
  • 3123808187 | +1 312-380-8187 Illinois U.S.A.
  • 3123808188 | +1 312-380-8188 Illinois U.S.A.
  • 3123808189 | +1 312-380-8189 Illinois U.S.A.
  • 3123808190 | +1 312-380-8190 Illinois U.S.A.
  • 3123808191 | +1 312-380-8191 Illinois U.S.A.
  • 3123808192 | +1 312-380-8192 Illinois U.S.A.
  • 3123808193 | +1 312-380-8193 Illinois U.S.A.
  • 3123808194 | +1 312-380-8194 Illinois U.S.A.
  • 3123808195 | +1 312-380-8195 Illinois U.S.A.
  • 3123808196 | +1 312-380-8196 Illinois U.S.A.
  • 3123808197 | +1 312-380-8197 Illinois U.S.A.
  • 3123808198 | +1 312-380-8198 Illinois U.S.A.
  • 3123808199 | +1 312-380-8199 Illinois U.S.A.