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).

  • 3128998100 | +1 312-899-8100 Illinois U.S.A.
  • 3128998101 | +1 312-899-8101 Illinois U.S.A.
  • 3128998102 | +1 312-899-8102 Illinois U.S.A.
  • 3128998103 | +1 312-899-8103 Illinois U.S.A.
  • 3128998104 | +1 312-899-8104 Illinois U.S.A.
  • 3128998105 | +1 312-899-8105 Illinois U.S.A.
  • 3128998106 | +1 312-899-8106 Illinois U.S.A.
  • 3128998107 | +1 312-899-8107 Illinois U.S.A.
  • 3128998108 | +1 312-899-8108 Illinois U.S.A.
  • 3128998109 | +1 312-899-8109 Illinois U.S.A.
  • 3128998110 | +1 312-899-8110 Illinois U.S.A.
  • 3128998111 | +1 312-899-8111 Illinois U.S.A.
  • 3128998112 | +1 312-899-8112 Illinois U.S.A.
  • 3128998113 | +1 312-899-8113 Illinois U.S.A.
  • 3128998114 | +1 312-899-8114 Illinois U.S.A.
  • 3128998115 | +1 312-899-8115 Illinois U.S.A.
  • 3128998116 | +1 312-899-8116 Illinois U.S.A.
  • 3128998117 | +1 312-899-8117 Illinois U.S.A.
  • 3128998118 | +1 312-899-8118 Illinois U.S.A.
  • 3128998119 | +1 312-899-8119 Illinois U.S.A.
  • 3128998120 | +1 312-899-8120 Illinois U.S.A.
  • 3128998121 | +1 312-899-8121 Illinois U.S.A.
  • 3128998122 | +1 312-899-8122 Illinois U.S.A.
  • 3128998123 | +1 312-899-8123 Illinois U.S.A.
  • 3128998124 | +1 312-899-8124 Illinois U.S.A.
  • 3128998125 | +1 312-899-8125 Illinois U.S.A.
  • 3128998126 | +1 312-899-8126 Illinois U.S.A.
  • 3128998127 | +1 312-899-8127 Illinois U.S.A.
  • 3128998128 | +1 312-899-8128 Illinois U.S.A.
  • 3128998129 | +1 312-899-8129 Illinois U.S.A.
  • 3128998130 | +1 312-899-8130 Illinois U.S.A.
  • 3128998131 | +1 312-899-8131 Illinois U.S.A.
  • 3128998132 | +1 312-899-8132 Illinois U.S.A.
  • 3128998133 | +1 312-899-8133 Illinois U.S.A.
  • 3128998134 | +1 312-899-8134 Illinois U.S.A.
  • 3128998135 | +1 312-899-8135 Illinois U.S.A.
  • 3128998136 | +1 312-899-8136 Illinois U.S.A.
  • 3128998137 | +1 312-899-8137 Illinois U.S.A.
  • 3128998138 | +1 312-899-8138 Illinois U.S.A.
  • 3128998139 | +1 312-899-8139 Illinois U.S.A.
  • 3128998140 | +1 312-899-8140 Illinois U.S.A.
  • 3128998141 | +1 312-899-8141 Illinois U.S.A.
  • 3128998142 | +1 312-899-8142 Illinois U.S.A.
  • 3128998143 | +1 312-899-8143 Illinois U.S.A.
  • 3128998144 | +1 312-899-8144 Illinois U.S.A.
  • 3128998145 | +1 312-899-8145 Illinois U.S.A.
  • 3128998146 | +1 312-899-8146 Illinois U.S.A.
  • 3128998147 | +1 312-899-8147 Illinois U.S.A.
  • 3128998148 | +1 312-899-8148 Illinois U.S.A.
  • 3128998149 | +1 312-899-8149 Illinois U.S.A.
  • 3128998150 | +1 312-899-8150 Illinois U.S.A.
  • 3128998151 | +1 312-899-8151 Illinois U.S.A.
  • 3128998152 | +1 312-899-8152 Illinois U.S.A.
  • 3128998153 | +1 312-899-8153 Illinois U.S.A.
  • 3128998154 | +1 312-899-8154 Illinois U.S.A.
  • 3128998155 | +1 312-899-8155 Illinois U.S.A.
  • 3128998156 | +1 312-899-8156 Illinois U.S.A.
  • 3128998157 | +1 312-899-8157 Illinois U.S.A.
  • 3128998158 | +1 312-899-8158 Illinois U.S.A.
  • 3128998159 | +1 312-899-8159 Illinois U.S.A.
  • 3128998160 | +1 312-899-8160 Illinois U.S.A.
  • 3128998161 | +1 312-899-8161 Illinois U.S.A.
  • 3128998162 | +1 312-899-8162 Illinois U.S.A.
  • 3128998163 | +1 312-899-8163 Illinois U.S.A.
  • 3128998164 | +1 312-899-8164 Illinois U.S.A.
  • 3128998165 | +1 312-899-8165 Illinois U.S.A.
  • 3128998166 | +1 312-899-8166 Illinois U.S.A.
  • 3128998167 | +1 312-899-8167 Illinois U.S.A.
  • 3128998168 | +1 312-899-8168 Illinois U.S.A.
  • 3128998169 | +1 312-899-8169 Illinois U.S.A.
  • 3128998170 | +1 312-899-8170 Illinois U.S.A.
  • 3128998171 | +1 312-899-8171 Illinois U.S.A.
  • 3128998172 | +1 312-899-8172 Illinois U.S.A.
  • 3128998173 | +1 312-899-8173 Illinois U.S.A.
  • 3128998174 | +1 312-899-8174 Illinois U.S.A.
  • 3128998175 | +1 312-899-8175 Illinois U.S.A.
  • 3128998176 | +1 312-899-8176 Illinois U.S.A.
  • 3128998177 | +1 312-899-8177 Illinois U.S.A.
  • 3128998178 | +1 312-899-8178 Illinois U.S.A.
  • 3128998179 | +1 312-899-8179 Illinois U.S.A.
  • 3128998180 | +1 312-899-8180 Illinois U.S.A.
  • 3128998181 | +1 312-899-8181 Illinois U.S.A.
  • 3128998182 | +1 312-899-8182 Illinois U.S.A.
  • 3128998183 | +1 312-899-8183 Illinois U.S.A.
  • 3128998184 | +1 312-899-8184 Illinois U.S.A.
  • 3128998185 | +1 312-899-8185 Illinois U.S.A.
  • 3128998186 | +1 312-899-8186 Illinois U.S.A.
  • 3128998187 | +1 312-899-8187 Illinois U.S.A.
  • 3128998188 | +1 312-899-8188 Illinois U.S.A.
  • 3128998189 | +1 312-899-8189 Illinois U.S.A.
  • 3128998190 | +1 312-899-8190 Illinois U.S.A.
  • 3128998191 | +1 312-899-8191 Illinois U.S.A.
  • 3128998192 | +1 312-899-8192 Illinois U.S.A.
  • 3128998193 | +1 312-899-8193 Illinois U.S.A.
  • 3128998194 | +1 312-899-8194 Illinois U.S.A.
  • 3128998195 | +1 312-899-8195 Illinois U.S.A.
  • 3128998196 | +1 312-899-8196 Illinois U.S.A.
  • 3128998197 | +1 312-899-8197 Illinois U.S.A.
  • 3128998198 | +1 312-899-8198 Illinois U.S.A.
  • 3128998199 | +1 312-899-8199 Illinois U.S.A.