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).

  • 3124271100 | +1 312-427-1100 Illinois U.S.A.
  • 3124271101 | +1 312-427-1101 Illinois U.S.A.
  • 3124271102 | +1 312-427-1102 Illinois U.S.A.
  • 3124271103 | +1 312-427-1103 Illinois U.S.A.
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  • 3124271109 | +1 312-427-1109 Illinois U.S.A.
  • 3124271110 | +1 312-427-1110 Illinois U.S.A.
  • 3124271111 | +1 312-427-1111 Illinois U.S.A.
  • 3124271112 | +1 312-427-1112 Illinois U.S.A.
  • 3124271113 | +1 312-427-1113 Illinois U.S.A.
  • 3124271114 | +1 312-427-1114 Illinois U.S.A.
  • 3124271115 | +1 312-427-1115 Illinois U.S.A.
  • 3124271116 | +1 312-427-1116 Illinois U.S.A.
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  • 3124271118 | +1 312-427-1118 Illinois U.S.A.
  • 3124271119 | +1 312-427-1119 Illinois U.S.A.
  • 3124271120 | +1 312-427-1120 Illinois U.S.A.
  • 3124271121 | +1 312-427-1121 Illinois U.S.A.
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  • 3124271126 | +1 312-427-1126 Illinois U.S.A.
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  • 3124271134 | +1 312-427-1134 Illinois U.S.A.
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  • 3124271147 | +1 312-427-1147 Illinois U.S.A.
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  • 3124271150 | +1 312-427-1150 Illinois U.S.A.
  • 3124271151 | +1 312-427-1151 Illinois U.S.A.
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  • 3124271153 | +1 312-427-1153 Illinois U.S.A.
  • 3124271154 | +1 312-427-1154 Illinois U.S.A.
  • 3124271155 | +1 312-427-1155 Illinois U.S.A.
  • 3124271156 | +1 312-427-1156 Illinois U.S.A.
  • 3124271157 | +1 312-427-1157 Illinois U.S.A.
  • 3124271158 | +1 312-427-1158 Illinois U.S.A.
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  • 3124271160 | +1 312-427-1160 Illinois U.S.A.
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  • 3124271167 | +1 312-427-1167 Illinois U.S.A.
  • 3124271168 | +1 312-427-1168 Illinois U.S.A.
  • 3124271169 | +1 312-427-1169 Illinois U.S.A.
  • 3124271170 | +1 312-427-1170 Illinois U.S.A.
  • 3124271171 | +1 312-427-1171 Illinois U.S.A.
  • 3124271172 | +1 312-427-1172 Illinois U.S.A.
  • 3124271173 | +1 312-427-1173 Illinois U.S.A.
  • 3124271174 | +1 312-427-1174 Illinois U.S.A.
  • 3124271175 | +1 312-427-1175 Illinois U.S.A.
  • 3124271176 | +1 312-427-1176 Illinois U.S.A.
  • 3124271177 | +1 312-427-1177 Illinois U.S.A.
  • 3124271178 | +1 312-427-1178 Illinois U.S.A.
  • 3124271179 | +1 312-427-1179 Illinois U.S.A.
  • 3124271180 | +1 312-427-1180 Illinois U.S.A.
  • 3124271181 | +1 312-427-1181 Illinois U.S.A.
  • 3124271182 | +1 312-427-1182 Illinois U.S.A.
  • 3124271183 | +1 312-427-1183 Illinois U.S.A.
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  • 3124271186 | +1 312-427-1186 Illinois U.S.A.
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  • 3124271189 | +1 312-427-1189 Illinois U.S.A.
  • 3124271190 | +1 312-427-1190 Illinois U.S.A.
  • 3124271191 | +1 312-427-1191 Illinois U.S.A.
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  • 3124271197 | +1 312-427-1197 Illinois U.S.A.
  • 3124271198 | +1 312-427-1198 Illinois U.S.A.
  • 3124271199 | +1 312-427-1199 Illinois U.S.A.