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).

  • 3128501400 | +1 312-850-1400 Illinois U.S.A.
  • 3128501401 | +1 312-850-1401 Illinois U.S.A.
  • 3128501402 | +1 312-850-1402 Illinois U.S.A.
  • 3128501403 | +1 312-850-1403 Illinois U.S.A.
  • 3128501404 | +1 312-850-1404 Illinois U.S.A.
  • 3128501405 | +1 312-850-1405 Illinois U.S.A.
  • 3128501406 | +1 312-850-1406 Illinois U.S.A.
  • 3128501407 | +1 312-850-1407 Illinois U.S.A.
  • 3128501408 | +1 312-850-1408 Illinois U.S.A.
  • 3128501409 | +1 312-850-1409 Illinois U.S.A.
  • 3128501410 | +1 312-850-1410 Illinois U.S.A.
  • 3128501411 | +1 312-850-1411 Illinois U.S.A.
  • 3128501412 | +1 312-850-1412 Illinois U.S.A.
  • 3128501413 | +1 312-850-1413 Illinois U.S.A.
  • 3128501414 | +1 312-850-1414 Illinois U.S.A.
  • 3128501415 | +1 312-850-1415 Illinois U.S.A.
  • 3128501416 | +1 312-850-1416 Illinois U.S.A.
  • 3128501417 | +1 312-850-1417 Illinois U.S.A.
  • 3128501418 | +1 312-850-1418 Illinois U.S.A.
  • 3128501419 | +1 312-850-1419 Illinois U.S.A.
  • 3128501420 | +1 312-850-1420 Illinois U.S.A.
  • 3128501421 | +1 312-850-1421 Illinois U.S.A.
  • 3128501422 | +1 312-850-1422 Illinois U.S.A.
  • 3128501423 | +1 312-850-1423 Illinois U.S.A.
  • 3128501424 | +1 312-850-1424 Illinois U.S.A.
  • 3128501425 | +1 312-850-1425 Illinois U.S.A.
  • 3128501426 | +1 312-850-1426 Illinois U.S.A.
  • 3128501427 | +1 312-850-1427 Illinois U.S.A.
  • 3128501428 | +1 312-850-1428 Illinois U.S.A.
  • 3128501429 | +1 312-850-1429 Illinois U.S.A.
  • 3128501430 | +1 312-850-1430 Illinois U.S.A.
  • 3128501431 | +1 312-850-1431 Illinois U.S.A.
  • 3128501432 | +1 312-850-1432 Illinois U.S.A.
  • 3128501433 | +1 312-850-1433 Illinois U.S.A.
  • 3128501434 | +1 312-850-1434 Illinois U.S.A.
  • 3128501435 | +1 312-850-1435 Illinois U.S.A.
  • 3128501436 | +1 312-850-1436 Illinois U.S.A.
  • 3128501437 | +1 312-850-1437 Illinois U.S.A.
  • 3128501438 | +1 312-850-1438 Illinois U.S.A.
  • 3128501439 | +1 312-850-1439 Illinois U.S.A.
  • 3128501440 | +1 312-850-1440 Illinois U.S.A.
  • 3128501441 | +1 312-850-1441 Illinois U.S.A.
  • 3128501442 | +1 312-850-1442 Illinois U.S.A.
  • 3128501443 | +1 312-850-1443 Illinois U.S.A.
  • 3128501444 | +1 312-850-1444 Illinois U.S.A.
  • 3128501445 | +1 312-850-1445 Illinois U.S.A.
  • 3128501446 | +1 312-850-1446 Illinois U.S.A.
  • 3128501447 | +1 312-850-1447 Illinois U.S.A.
  • 3128501448 | +1 312-850-1448 Illinois U.S.A.
  • 3128501449 | +1 312-850-1449 Illinois U.S.A.
  • 3128501450 | +1 312-850-1450 Illinois U.S.A.
  • 3128501451 | +1 312-850-1451 Illinois U.S.A.
  • 3128501452 | +1 312-850-1452 Illinois U.S.A.
  • 3128501453 | +1 312-850-1453 Illinois U.S.A.
  • 3128501454 | +1 312-850-1454 Illinois U.S.A.
  • 3128501455 | +1 312-850-1455 Illinois U.S.A.
  • 3128501456 | +1 312-850-1456 Illinois U.S.A.
  • 3128501457 | +1 312-850-1457 Illinois U.S.A.
  • 3128501458 | +1 312-850-1458 Illinois U.S.A.
  • 3128501459 | +1 312-850-1459 Illinois U.S.A.
  • 3128501460 | +1 312-850-1460 Illinois U.S.A.
  • 3128501461 | +1 312-850-1461 Illinois U.S.A.
  • 3128501462 | +1 312-850-1462 Illinois U.S.A.
  • 3128501463 | +1 312-850-1463 Illinois U.S.A.
  • 3128501464 | +1 312-850-1464 Illinois U.S.A.
  • 3128501465 | +1 312-850-1465 Illinois U.S.A.
  • 3128501466 | +1 312-850-1466 Illinois U.S.A.
  • 3128501467 | +1 312-850-1467 Illinois U.S.A.
  • 3128501468 | +1 312-850-1468 Illinois U.S.A.
  • 3128501469 | +1 312-850-1469 Illinois U.S.A.
  • 3128501470 | +1 312-850-1470 Illinois U.S.A.
  • 3128501471 | +1 312-850-1471 Illinois U.S.A.
  • 3128501472 | +1 312-850-1472 Illinois U.S.A.
  • 3128501473 | +1 312-850-1473 Illinois U.S.A.
  • 3128501474 | +1 312-850-1474 Illinois U.S.A.
  • 3128501475 | +1 312-850-1475 Illinois U.S.A.
  • 3128501476 | +1 312-850-1476 Illinois U.S.A.
  • 3128501477 | +1 312-850-1477 Illinois U.S.A.
  • 3128501478 | +1 312-850-1478 Illinois U.S.A.
  • 3128501479 | +1 312-850-1479 Illinois U.S.A.
  • 3128501480 | +1 312-850-1480 Illinois U.S.A.
  • 3128501481 | +1 312-850-1481 Illinois U.S.A.
  • 3128501482 | +1 312-850-1482 Illinois U.S.A.
  • 3128501483 | +1 312-850-1483 Illinois U.S.A.
  • 3128501484 | +1 312-850-1484 Illinois U.S.A.
  • 3128501485 | +1 312-850-1485 Illinois U.S.A.
  • 3128501486 | +1 312-850-1486 Illinois U.S.A.
  • 3128501487 | +1 312-850-1487 Illinois U.S.A.
  • 3128501488 | +1 312-850-1488 Illinois U.S.A.
  • 3128501489 | +1 312-850-1489 Illinois U.S.A.
  • 3128501490 | +1 312-850-1490 Illinois U.S.A.
  • 3128501491 | +1 312-850-1491 Illinois U.S.A.
  • 3128501492 | +1 312-850-1492 Illinois U.S.A.
  • 3128501493 | +1 312-850-1493 Illinois U.S.A.
  • 3128501494 | +1 312-850-1494 Illinois U.S.A.
  • 3128501495 | +1 312-850-1495 Illinois U.S.A.
  • 3128501496 | +1 312-850-1496 Illinois U.S.A.
  • 3128501497 | +1 312-850-1497 Illinois U.S.A.
  • 3128501498 | +1 312-850-1498 Illinois U.S.A.
  • 3128501499 | +1 312-850-1499 Illinois U.S.A.