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).

  • 3122301100 | +1 312-230-1100 Illinois U.S.A.
  • 3122301101 | +1 312-230-1101 Illinois U.S.A.
  • 3122301102 | +1 312-230-1102 Illinois U.S.A.
  • 3122301103 | +1 312-230-1103 Illinois U.S.A.
  • 3122301104 | +1 312-230-1104 Illinois U.S.A.
  • 3122301105 | +1 312-230-1105 Illinois U.S.A.
  • 3122301106 | +1 312-230-1106 Illinois U.S.A.
  • 3122301107 | +1 312-230-1107 Illinois U.S.A.
  • 3122301108 | +1 312-230-1108 Illinois U.S.A.
  • 3122301109 | +1 312-230-1109 Illinois U.S.A.
  • 3122301110 | +1 312-230-1110 Illinois U.S.A.
  • 3122301111 | +1 312-230-1111 Illinois U.S.A.
  • 3122301112 | +1 312-230-1112 Illinois U.S.A.
  • 3122301113 | +1 312-230-1113 Illinois U.S.A.
  • 3122301114 | +1 312-230-1114 Illinois U.S.A.
  • 3122301115 | +1 312-230-1115 Illinois U.S.A.
  • 3122301116 | +1 312-230-1116 Illinois U.S.A.
  • 3122301117 | +1 312-230-1117 Illinois U.S.A.
  • 3122301118 | +1 312-230-1118 Illinois U.S.A.
  • 3122301119 | +1 312-230-1119 Illinois U.S.A.
  • 3122301120 | +1 312-230-1120 Illinois U.S.A.
  • 3122301121 | +1 312-230-1121 Illinois U.S.A.
  • 3122301122 | +1 312-230-1122 Illinois U.S.A.
  • 3122301123 | +1 312-230-1123 Illinois U.S.A.
  • 3122301124 | +1 312-230-1124 Illinois U.S.A.
  • 3122301125 | +1 312-230-1125 Illinois U.S.A.
  • 3122301126 | +1 312-230-1126 Illinois U.S.A.
  • 3122301127 | +1 312-230-1127 Illinois U.S.A.
  • 3122301128 | +1 312-230-1128 Illinois U.S.A.
  • 3122301129 | +1 312-230-1129 Illinois U.S.A.
  • 3122301130 | +1 312-230-1130 Illinois U.S.A.
  • 3122301131 | +1 312-230-1131 Illinois U.S.A.
  • 3122301132 | +1 312-230-1132 Illinois U.S.A.
  • 3122301133 | +1 312-230-1133 Illinois U.S.A.
  • 3122301134 | +1 312-230-1134 Illinois U.S.A.
  • 3122301135 | +1 312-230-1135 Illinois U.S.A.
  • 3122301136 | +1 312-230-1136 Illinois U.S.A.
  • 3122301137 | +1 312-230-1137 Illinois U.S.A.
  • 3122301138 | +1 312-230-1138 Illinois U.S.A.
  • 3122301139 | +1 312-230-1139 Illinois U.S.A.
  • 3122301140 | +1 312-230-1140 Illinois U.S.A.
  • 3122301141 | +1 312-230-1141 Illinois U.S.A.
  • 3122301142 | +1 312-230-1142 Illinois U.S.A.
  • 3122301143 | +1 312-230-1143 Illinois U.S.A.
  • 3122301144 | +1 312-230-1144 Illinois U.S.A.
  • 3122301145 | +1 312-230-1145 Illinois U.S.A.
  • 3122301146 | +1 312-230-1146 Illinois U.S.A.
  • 3122301147 | +1 312-230-1147 Illinois U.S.A.
  • 3122301148 | +1 312-230-1148 Illinois U.S.A.
  • 3122301149 | +1 312-230-1149 Illinois U.S.A.
  • 3122301150 | +1 312-230-1150 Illinois U.S.A.
  • 3122301151 | +1 312-230-1151 Illinois U.S.A.
  • 3122301152 | +1 312-230-1152 Illinois U.S.A.
  • 3122301153 | +1 312-230-1153 Illinois U.S.A.
  • 3122301154 | +1 312-230-1154 Illinois U.S.A.
  • 3122301155 | +1 312-230-1155 Illinois U.S.A.
  • 3122301156 | +1 312-230-1156 Illinois U.S.A.
  • 3122301157 | +1 312-230-1157 Illinois U.S.A.
  • 3122301158 | +1 312-230-1158 Illinois U.S.A.
  • 3122301159 | +1 312-230-1159 Illinois U.S.A.
  • 3122301160 | +1 312-230-1160 Illinois U.S.A.
  • 3122301161 | +1 312-230-1161 Illinois U.S.A.
  • 3122301162 | +1 312-230-1162 Illinois U.S.A.
  • 3122301163 | +1 312-230-1163 Illinois U.S.A.
  • 3122301164 | +1 312-230-1164 Illinois U.S.A.
  • 3122301165 | +1 312-230-1165 Illinois U.S.A.
  • 3122301166 | +1 312-230-1166 Illinois U.S.A.
  • 3122301167 | +1 312-230-1167 Illinois U.S.A.
  • 3122301168 | +1 312-230-1168 Illinois U.S.A.
  • 3122301169 | +1 312-230-1169 Illinois U.S.A.
  • 3122301170 | +1 312-230-1170 Illinois U.S.A.
  • 3122301171 | +1 312-230-1171 Illinois U.S.A.
  • 3122301172 | +1 312-230-1172 Illinois U.S.A.
  • 3122301173 | +1 312-230-1173 Illinois U.S.A.
  • 3122301174 | +1 312-230-1174 Illinois U.S.A.
  • 3122301175 | +1 312-230-1175 Illinois U.S.A.
  • 3122301176 | +1 312-230-1176 Illinois U.S.A.
  • 3122301177 | +1 312-230-1177 Illinois U.S.A.
  • 3122301178 | +1 312-230-1178 Illinois U.S.A.
  • 3122301179 | +1 312-230-1179 Illinois U.S.A.
  • 3122301180 | +1 312-230-1180 Illinois U.S.A.
  • 3122301181 | +1 312-230-1181 Illinois U.S.A.
  • 3122301182 | +1 312-230-1182 Illinois U.S.A.
  • 3122301183 | +1 312-230-1183 Illinois U.S.A.
  • 3122301184 | +1 312-230-1184 Illinois U.S.A.
  • 3122301185 | +1 312-230-1185 Illinois U.S.A.
  • 3122301186 | +1 312-230-1186 Illinois U.S.A.
  • 3122301187 | +1 312-230-1187 Illinois U.S.A.
  • 3122301188 | +1 312-230-1188 Illinois U.S.A.
  • 3122301189 | +1 312-230-1189 Illinois U.S.A.
  • 3122301190 | +1 312-230-1190 Illinois U.S.A.
  • 3122301191 | +1 312-230-1191 Illinois U.S.A.
  • 3122301192 | +1 312-230-1192 Illinois U.S.A.
  • 3122301193 | +1 312-230-1193 Illinois U.S.A.
  • 3122301194 | +1 312-230-1194 Illinois U.S.A.
  • 3122301195 | +1 312-230-1195 Illinois U.S.A.
  • 3122301196 | +1 312-230-1196 Illinois U.S.A.
  • 3122301197 | +1 312-230-1197 Illinois U.S.A.
  • 3122301198 | +1 312-230-1198 Illinois U.S.A.
  • 3122301199 | +1 312-230-1199 Illinois U.S.A.