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).

  • 3128501300 | +1 312-850-1300 Illinois U.S.A.
  • 3128501301 | +1 312-850-1301 Illinois U.S.A.
  • 3128501302 | +1 312-850-1302 Illinois U.S.A.
  • 3128501303 | +1 312-850-1303 Illinois U.S.A.
  • 3128501304 | +1 312-850-1304 Illinois U.S.A.
  • 3128501305 | +1 312-850-1305 Illinois U.S.A.
  • 3128501306 | +1 312-850-1306 Illinois U.S.A.
  • 3128501307 | +1 312-850-1307 Illinois U.S.A.
  • 3128501308 | +1 312-850-1308 Illinois U.S.A.
  • 3128501309 | +1 312-850-1309 Illinois U.S.A.
  • 3128501310 | +1 312-850-1310 Illinois U.S.A.
  • 3128501311 | +1 312-850-1311 Illinois U.S.A.
  • 3128501312 | +1 312-850-1312 Illinois U.S.A.
  • 3128501313 | +1 312-850-1313 Illinois U.S.A.
  • 3128501314 | +1 312-850-1314 Illinois U.S.A.
  • 3128501315 | +1 312-850-1315 Illinois U.S.A.
  • 3128501316 | +1 312-850-1316 Illinois U.S.A.
  • 3128501317 | +1 312-850-1317 Illinois U.S.A.
  • 3128501318 | +1 312-850-1318 Illinois U.S.A.
  • 3128501319 | +1 312-850-1319 Illinois U.S.A.
  • 3128501320 | +1 312-850-1320 Illinois U.S.A.
  • 3128501321 | +1 312-850-1321 Illinois U.S.A.
  • 3128501322 | +1 312-850-1322 Illinois U.S.A.
  • 3128501323 | +1 312-850-1323 Illinois U.S.A.
  • 3128501324 | +1 312-850-1324 Illinois U.S.A.
  • 3128501325 | +1 312-850-1325 Illinois U.S.A.
  • 3128501326 | +1 312-850-1326 Illinois U.S.A.
  • 3128501327 | +1 312-850-1327 Illinois U.S.A.
  • 3128501328 | +1 312-850-1328 Illinois U.S.A.
  • 3128501329 | +1 312-850-1329 Illinois U.S.A.
  • 3128501330 | +1 312-850-1330 Illinois U.S.A.
  • 3128501331 | +1 312-850-1331 Illinois U.S.A.
  • 3128501332 | +1 312-850-1332 Illinois U.S.A.
  • 3128501333 | +1 312-850-1333 Illinois U.S.A.
  • 3128501334 | +1 312-850-1334 Illinois U.S.A.
  • 3128501335 | +1 312-850-1335 Illinois U.S.A.
  • 3128501336 | +1 312-850-1336 Illinois U.S.A.
  • 3128501337 | +1 312-850-1337 Illinois U.S.A.
  • 3128501338 | +1 312-850-1338 Illinois U.S.A.
  • 3128501339 | +1 312-850-1339 Illinois U.S.A.
  • 3128501340 | +1 312-850-1340 Illinois U.S.A.
  • 3128501341 | +1 312-850-1341 Illinois U.S.A.
  • 3128501342 | +1 312-850-1342 Illinois U.S.A.
  • 3128501343 | +1 312-850-1343 Illinois U.S.A.
  • 3128501344 | +1 312-850-1344 Illinois U.S.A.
  • 3128501345 | +1 312-850-1345 Illinois U.S.A.
  • 3128501346 | +1 312-850-1346 Illinois U.S.A.
  • 3128501347 | +1 312-850-1347 Illinois U.S.A.
  • 3128501348 | +1 312-850-1348 Illinois U.S.A.
  • 3128501349 | +1 312-850-1349 Illinois U.S.A.
  • 3128501350 | +1 312-850-1350 Illinois U.S.A.
  • 3128501351 | +1 312-850-1351 Illinois U.S.A.
  • 3128501352 | +1 312-850-1352 Illinois U.S.A.
  • 3128501353 | +1 312-850-1353 Illinois U.S.A.
  • 3128501354 | +1 312-850-1354 Illinois U.S.A.
  • 3128501355 | +1 312-850-1355 Illinois U.S.A.
  • 3128501356 | +1 312-850-1356 Illinois U.S.A.
  • 3128501357 | +1 312-850-1357 Illinois U.S.A.
  • 3128501358 | +1 312-850-1358 Illinois U.S.A.
  • 3128501359 | +1 312-850-1359 Illinois U.S.A.
  • 3128501360 | +1 312-850-1360 Illinois U.S.A.
  • 3128501361 | +1 312-850-1361 Illinois U.S.A.
  • 3128501362 | +1 312-850-1362 Illinois U.S.A.
  • 3128501363 | +1 312-850-1363 Illinois U.S.A.
  • 3128501364 | +1 312-850-1364 Illinois U.S.A.
  • 3128501365 | +1 312-850-1365 Illinois U.S.A.
  • 3128501366 | +1 312-850-1366 Illinois U.S.A.
  • 3128501367 | +1 312-850-1367 Illinois U.S.A.
  • 3128501368 | +1 312-850-1368 Illinois U.S.A.
  • 3128501369 | +1 312-850-1369 Illinois U.S.A.
  • 3128501370 | +1 312-850-1370 Illinois U.S.A.
  • 3128501371 | +1 312-850-1371 Illinois U.S.A.
  • 3128501372 | +1 312-850-1372 Illinois U.S.A.
  • 3128501373 | +1 312-850-1373 Illinois U.S.A.
  • 3128501374 | +1 312-850-1374 Illinois U.S.A.
  • 3128501375 | +1 312-850-1375 Illinois U.S.A.
  • 3128501376 | +1 312-850-1376 Illinois U.S.A.
  • 3128501377 | +1 312-850-1377 Illinois U.S.A.
  • 3128501378 | +1 312-850-1378 Illinois U.S.A.
  • 3128501379 | +1 312-850-1379 Illinois U.S.A.
  • 3128501380 | +1 312-850-1380 Illinois U.S.A.
  • 3128501381 | +1 312-850-1381 Illinois U.S.A.
  • 3128501382 | +1 312-850-1382 Illinois U.S.A.
  • 3128501383 | +1 312-850-1383 Illinois U.S.A.
  • 3128501384 | +1 312-850-1384 Illinois U.S.A.
  • 3128501385 | +1 312-850-1385 Illinois U.S.A.
  • 3128501386 | +1 312-850-1386 Illinois U.S.A.
  • 3128501387 | +1 312-850-1387 Illinois U.S.A.
  • 3128501388 | +1 312-850-1388 Illinois U.S.A.
  • 3128501389 | +1 312-850-1389 Illinois U.S.A.
  • 3128501390 | +1 312-850-1390 Illinois U.S.A.
  • 3128501391 | +1 312-850-1391 Illinois U.S.A.
  • 3128501392 | +1 312-850-1392 Illinois U.S.A.
  • 3128501393 | +1 312-850-1393 Illinois U.S.A.
  • 3128501394 | +1 312-850-1394 Illinois U.S.A.
  • 3128501395 | +1 312-850-1395 Illinois U.S.A.
  • 3128501396 | +1 312-850-1396 Illinois U.S.A.
  • 3128501397 | +1 312-850-1397 Illinois U.S.A.
  • 3128501398 | +1 312-850-1398 Illinois U.S.A.
  • 3128501399 | +1 312-850-1399 Illinois U.S.A.