City of Chicago


312 Area code: Chicago, Cook - Wireless

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).

  • 3128041200 | +1 312-804-1200 Illinois U.S.A.
  • 3128041201 | +1 312-804-1201 Illinois U.S.A.
  • 3128041202 | +1 312-804-1202 Illinois U.S.A.
  • 3128041203 | +1 312-804-1203 Illinois U.S.A.
  • 3128041204 | +1 312-804-1204 Illinois U.S.A.
  • 3128041205 | +1 312-804-1205 Illinois U.S.A.
  • 3128041206 | +1 312-804-1206 Illinois U.S.A.
  • 3128041207 | +1 312-804-1207 Illinois U.S.A.
  • 3128041208 | +1 312-804-1208 Illinois U.S.A.
  • 3128041209 | +1 312-804-1209 Illinois U.S.A.
  • 3128041210 | +1 312-804-1210 Illinois U.S.A.
  • 3128041211 | +1 312-804-1211 Illinois U.S.A.
  • 3128041212 | +1 312-804-1212 Illinois U.S.A.
  • 3128041213 | +1 312-804-1213 Illinois U.S.A.
  • 3128041214 | +1 312-804-1214 Illinois U.S.A.
  • 3128041215 | +1 312-804-1215 Illinois U.S.A.
  • 3128041216 | +1 312-804-1216 Illinois U.S.A.
  • 3128041217 | +1 312-804-1217 Illinois U.S.A.
  • 3128041218 | +1 312-804-1218 Illinois U.S.A.
  • 3128041219 | +1 312-804-1219 Illinois U.S.A.
  • 3128041220 | +1 312-804-1220 Illinois U.S.A.
  • 3128041221 | +1 312-804-1221 Illinois U.S.A.
  • 3128041222 | +1 312-804-1222 Illinois U.S.A.
  • 3128041223 | +1 312-804-1223 Illinois U.S.A.
  • 3128041224 | +1 312-804-1224 Illinois U.S.A.
  • 3128041225 | +1 312-804-1225 Illinois U.S.A.
  • 3128041226 | +1 312-804-1226 Illinois U.S.A.
  • 3128041227 | +1 312-804-1227 Illinois U.S.A.
  • 3128041228 | +1 312-804-1228 Illinois U.S.A.
  • 3128041229 | +1 312-804-1229 Illinois U.S.A.
  • 3128041230 | +1 312-804-1230 Illinois U.S.A.
  • 3128041231 | +1 312-804-1231 Illinois U.S.A.
  • 3128041232 | +1 312-804-1232 Illinois U.S.A.
  • 3128041233 | +1 312-804-1233 Illinois U.S.A.
  • 3128041234 | +1 312-804-1234 Illinois U.S.A.
  • 3128041235 | +1 312-804-1235 Illinois U.S.A.
  • 3128041236 | +1 312-804-1236 Illinois U.S.A.
  • 3128041237 | +1 312-804-1237 Illinois U.S.A.
  • 3128041238 | +1 312-804-1238 Illinois U.S.A.
  • 3128041239 | +1 312-804-1239 Illinois U.S.A.
  • 3128041240 | +1 312-804-1240 Illinois U.S.A.
  • 3128041241 | +1 312-804-1241 Illinois U.S.A.
  • 3128041242 | +1 312-804-1242 Illinois U.S.A.
  • 3128041243 | +1 312-804-1243 Illinois U.S.A.
  • 3128041244 | +1 312-804-1244 Illinois U.S.A.
  • 3128041245 | +1 312-804-1245 Illinois U.S.A.
  • 3128041246 | +1 312-804-1246 Illinois U.S.A.
  • 3128041247 | +1 312-804-1247 Illinois U.S.A.
  • 3128041248 | +1 312-804-1248 Illinois U.S.A.
  • 3128041249 | +1 312-804-1249 Illinois U.S.A.
  • 3128041250 | +1 312-804-1250 Illinois U.S.A.
  • 3128041251 | +1 312-804-1251 Illinois U.S.A.
  • 3128041252 | +1 312-804-1252 Illinois U.S.A.
  • 3128041253 | +1 312-804-1253 Illinois U.S.A.
  • 3128041254 | +1 312-804-1254 Illinois U.S.A.
  • 3128041255 | +1 312-804-1255 Illinois U.S.A.
  • 3128041256 | +1 312-804-1256 Illinois U.S.A.
  • 3128041257 | +1 312-804-1257 Illinois U.S.A.
  • 3128041258 | +1 312-804-1258 Illinois U.S.A.
  • 3128041259 | +1 312-804-1259 Illinois U.S.A.
  • 3128041260 | +1 312-804-1260 Illinois U.S.A.
  • 3128041261 | +1 312-804-1261 Illinois U.S.A.
  • 3128041262 | +1 312-804-1262 Illinois U.S.A.
  • 3128041263 | +1 312-804-1263 Illinois U.S.A.
  • 3128041264 | +1 312-804-1264 Illinois U.S.A.
  • 3128041265 | +1 312-804-1265 Illinois U.S.A.
  • 3128041266 | +1 312-804-1266 Illinois U.S.A.
  • 3128041267 | +1 312-804-1267 Illinois U.S.A.
  • 3128041268 | +1 312-804-1268 Illinois U.S.A.
  • 3128041269 | +1 312-804-1269 Illinois U.S.A.
  • 3128041270 | +1 312-804-1270 Illinois U.S.A.
  • 3128041271 | +1 312-804-1271 Illinois U.S.A.
  • 3128041272 | +1 312-804-1272 Illinois U.S.A.
  • 3128041273 | +1 312-804-1273 Illinois U.S.A.
  • 3128041274 | +1 312-804-1274 Illinois U.S.A.
  • 3128041275 | +1 312-804-1275 Illinois U.S.A.
  • 3128041276 | +1 312-804-1276 Illinois U.S.A.
  • 3128041277 | +1 312-804-1277 Illinois U.S.A.
  • 3128041278 | +1 312-804-1278 Illinois U.S.A.
  • 3128041279 | +1 312-804-1279 Illinois U.S.A.
  • 3128041280 | +1 312-804-1280 Illinois U.S.A.
  • 3128041281 | +1 312-804-1281 Illinois U.S.A.
  • 3128041282 | +1 312-804-1282 Illinois U.S.A.
  • 3128041283 | +1 312-804-1283 Illinois U.S.A.
  • 3128041284 | +1 312-804-1284 Illinois U.S.A.
  • 3128041285 | +1 312-804-1285 Illinois U.S.A.
  • 3128041286 | +1 312-804-1286 Illinois U.S.A.
  • 3128041287 | +1 312-804-1287 Illinois U.S.A.
  • 3128041288 | +1 312-804-1288 Illinois U.S.A.
  • 3128041289 | +1 312-804-1289 Illinois U.S.A.
  • 3128041290 | +1 312-804-1290 Illinois U.S.A.
  • 3128041291 | +1 312-804-1291 Illinois U.S.A.
  • 3128041292 | +1 312-804-1292 Illinois U.S.A.
  • 3128041293 | +1 312-804-1293 Illinois U.S.A.
  • 3128041294 | +1 312-804-1294 Illinois U.S.A.
  • 3128041295 | +1 312-804-1295 Illinois U.S.A.
  • 3128041296 | +1 312-804-1296 Illinois U.S.A.
  • 3128041297 | +1 312-804-1297 Illinois U.S.A.
  • 3128041298 | +1 312-804-1298 Illinois U.S.A.
  • 3128041299 | +1 312-804-1299 Illinois U.S.A.