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).

  • 3124781200 | +1 312-478-1200 Illinois U.S.A.
  • 3124781201 | +1 312-478-1201 Illinois U.S.A.
  • 3124781202 | +1 312-478-1202 Illinois U.S.A.
  • 3124781203 | +1 312-478-1203 Illinois U.S.A.
  • 3124781204 | +1 312-478-1204 Illinois U.S.A.
  • 3124781205 | +1 312-478-1205 Illinois U.S.A.
  • 3124781206 | +1 312-478-1206 Illinois U.S.A.
  • 3124781207 | +1 312-478-1207 Illinois U.S.A.
  • 3124781208 | +1 312-478-1208 Illinois U.S.A.
  • 3124781209 | +1 312-478-1209 Illinois U.S.A.
  • 3124781210 | +1 312-478-1210 Illinois U.S.A.
  • 3124781211 | +1 312-478-1211 Illinois U.S.A.
  • 3124781212 | +1 312-478-1212 Illinois U.S.A.
  • 3124781213 | +1 312-478-1213 Illinois U.S.A.
  • 3124781214 | +1 312-478-1214 Illinois U.S.A.
  • 3124781215 | +1 312-478-1215 Illinois U.S.A.
  • 3124781216 | +1 312-478-1216 Illinois U.S.A.
  • 3124781217 | +1 312-478-1217 Illinois U.S.A.
  • 3124781218 | +1 312-478-1218 Illinois U.S.A.
  • 3124781219 | +1 312-478-1219 Illinois U.S.A.
  • 3124781220 | +1 312-478-1220 Illinois U.S.A.
  • 3124781221 | +1 312-478-1221 Illinois U.S.A.
  • 3124781222 | +1 312-478-1222 Illinois U.S.A.
  • 3124781223 | +1 312-478-1223 Illinois U.S.A.
  • 3124781224 | +1 312-478-1224 Illinois U.S.A.
  • 3124781225 | +1 312-478-1225 Illinois U.S.A.
  • 3124781226 | +1 312-478-1226 Illinois U.S.A.
  • 3124781227 | +1 312-478-1227 Illinois U.S.A.
  • 3124781228 | +1 312-478-1228 Illinois U.S.A.
  • 3124781229 | +1 312-478-1229 Illinois U.S.A.
  • 3124781230 | +1 312-478-1230 Illinois U.S.A.
  • 3124781231 | +1 312-478-1231 Illinois U.S.A.
  • 3124781232 | +1 312-478-1232 Illinois U.S.A.
  • 3124781233 | +1 312-478-1233 Illinois U.S.A.
  • 3124781234 | +1 312-478-1234 Illinois U.S.A.
  • 3124781235 | +1 312-478-1235 Illinois U.S.A.
  • 3124781236 | +1 312-478-1236 Illinois U.S.A.
  • 3124781237 | +1 312-478-1237 Illinois U.S.A.
  • 3124781238 | +1 312-478-1238 Illinois U.S.A.
  • 3124781239 | +1 312-478-1239 Illinois U.S.A.
  • 3124781240 | +1 312-478-1240 Illinois U.S.A.
  • 3124781241 | +1 312-478-1241 Illinois U.S.A.
  • 3124781242 | +1 312-478-1242 Illinois U.S.A.
  • 3124781243 | +1 312-478-1243 Illinois U.S.A.
  • 3124781244 | +1 312-478-1244 Illinois U.S.A.
  • 3124781245 | +1 312-478-1245 Illinois U.S.A.
  • 3124781246 | +1 312-478-1246 Illinois U.S.A.
  • 3124781247 | +1 312-478-1247 Illinois U.S.A.
  • 3124781248 | +1 312-478-1248 Illinois U.S.A.
  • 3124781249 | +1 312-478-1249 Illinois U.S.A.
  • 3124781250 | +1 312-478-1250 Illinois U.S.A.
  • 3124781251 | +1 312-478-1251 Illinois U.S.A.
  • 3124781252 | +1 312-478-1252 Illinois U.S.A.
  • 3124781253 | +1 312-478-1253 Illinois U.S.A.
  • 3124781254 | +1 312-478-1254 Illinois U.S.A.
  • 3124781255 | +1 312-478-1255 Illinois U.S.A.
  • 3124781256 | +1 312-478-1256 Illinois U.S.A.
  • 3124781257 | +1 312-478-1257 Illinois U.S.A.
  • 3124781258 | +1 312-478-1258 Illinois U.S.A.
  • 3124781259 | +1 312-478-1259 Illinois U.S.A.
  • 3124781260 | +1 312-478-1260 Illinois U.S.A.
  • 3124781261 | +1 312-478-1261 Illinois U.S.A.
  • 3124781262 | +1 312-478-1262 Illinois U.S.A.
  • 3124781263 | +1 312-478-1263 Illinois U.S.A.
  • 3124781264 | +1 312-478-1264 Illinois U.S.A.
  • 3124781265 | +1 312-478-1265 Illinois U.S.A.
  • 3124781266 | +1 312-478-1266 Illinois U.S.A.
  • 3124781267 | +1 312-478-1267 Illinois U.S.A.
  • 3124781268 | +1 312-478-1268 Illinois U.S.A.
  • 3124781269 | +1 312-478-1269 Illinois U.S.A.
  • 3124781270 | +1 312-478-1270 Illinois U.S.A.
  • 3124781271 | +1 312-478-1271 Illinois U.S.A.
  • 3124781272 | +1 312-478-1272 Illinois U.S.A.
  • 3124781273 | +1 312-478-1273 Illinois U.S.A.
  • 3124781274 | +1 312-478-1274 Illinois U.S.A.
  • 3124781275 | +1 312-478-1275 Illinois U.S.A.
  • 3124781276 | +1 312-478-1276 Illinois U.S.A.
  • 3124781277 | +1 312-478-1277 Illinois U.S.A.
  • 3124781278 | +1 312-478-1278 Illinois U.S.A.
  • 3124781279 | +1 312-478-1279 Illinois U.S.A.
  • 3124781280 | +1 312-478-1280 Illinois U.S.A.
  • 3124781281 | +1 312-478-1281 Illinois U.S.A.
  • 3124781282 | +1 312-478-1282 Illinois U.S.A.
  • 3124781283 | +1 312-478-1283 Illinois U.S.A.
  • 3124781284 | +1 312-478-1284 Illinois U.S.A.
  • 3124781285 | +1 312-478-1285 Illinois U.S.A.
  • 3124781286 | +1 312-478-1286 Illinois U.S.A.
  • 3124781287 | +1 312-478-1287 Illinois U.S.A.
  • 3124781288 | +1 312-478-1288 Illinois U.S.A.
  • 3124781289 | +1 312-478-1289 Illinois U.S.A.
  • 3124781290 | +1 312-478-1290 Illinois U.S.A.
  • 3124781291 | +1 312-478-1291 Illinois U.S.A.
  • 3124781292 | +1 312-478-1292 Illinois U.S.A.
  • 3124781293 | +1 312-478-1293 Illinois U.S.A.
  • 3124781294 | +1 312-478-1294 Illinois U.S.A.
  • 3124781295 | +1 312-478-1295 Illinois U.S.A.
  • 3124781296 | +1 312-478-1296 Illinois U.S.A.
  • 3124781297 | +1 312-478-1297 Illinois U.S.A.
  • 3124781298 | +1 312-478-1298 Illinois U.S.A.
  • 3124781299 | +1 312-478-1299 Illinois U.S.A.