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).

  • 3124321400 | +1 312-432-1400 Illinois U.S.A.
  • 3124321401 | +1 312-432-1401 Illinois U.S.A.
  • 3124321402 | +1 312-432-1402 Illinois U.S.A.
  • 3124321403 | +1 312-432-1403 Illinois U.S.A.
  • 3124321404 | +1 312-432-1404 Illinois U.S.A.
  • 3124321405 | +1 312-432-1405 Illinois U.S.A.
  • 3124321406 | +1 312-432-1406 Illinois U.S.A.
  • 3124321407 | +1 312-432-1407 Illinois U.S.A.
  • 3124321408 | +1 312-432-1408 Illinois U.S.A.
  • 3124321409 | +1 312-432-1409 Illinois U.S.A.
  • 3124321410 | +1 312-432-1410 Illinois U.S.A.
  • 3124321411 | +1 312-432-1411 Illinois U.S.A.
  • 3124321412 | +1 312-432-1412 Illinois U.S.A.
  • 3124321413 | +1 312-432-1413 Illinois U.S.A.
  • 3124321414 | +1 312-432-1414 Illinois U.S.A.
  • 3124321415 | +1 312-432-1415 Illinois U.S.A.
  • 3124321416 | +1 312-432-1416 Illinois U.S.A.
  • 3124321417 | +1 312-432-1417 Illinois U.S.A.
  • 3124321418 | +1 312-432-1418 Illinois U.S.A.
  • 3124321419 | +1 312-432-1419 Illinois U.S.A.
  • 3124321420 | +1 312-432-1420 Illinois U.S.A.
  • 3124321421 | +1 312-432-1421 Illinois U.S.A.
  • 3124321422 | +1 312-432-1422 Illinois U.S.A.
  • 3124321423 | +1 312-432-1423 Illinois U.S.A.
  • 3124321424 | +1 312-432-1424 Illinois U.S.A.
  • 3124321425 | +1 312-432-1425 Illinois U.S.A.
  • 3124321426 | +1 312-432-1426 Illinois U.S.A.
  • 3124321427 | +1 312-432-1427 Illinois U.S.A.
  • 3124321428 | +1 312-432-1428 Illinois U.S.A.
  • 3124321429 | +1 312-432-1429 Illinois U.S.A.
  • 3124321430 | +1 312-432-1430 Illinois U.S.A.
  • 3124321431 | +1 312-432-1431 Illinois U.S.A.
  • 3124321432 | +1 312-432-1432 Illinois U.S.A.
  • 3124321433 | +1 312-432-1433 Illinois U.S.A.
  • 3124321434 | +1 312-432-1434 Illinois U.S.A.
  • 3124321435 | +1 312-432-1435 Illinois U.S.A.
  • 3124321436 | +1 312-432-1436 Illinois U.S.A.
  • 3124321437 | +1 312-432-1437 Illinois U.S.A.
  • 3124321438 | +1 312-432-1438 Illinois U.S.A.
  • 3124321439 | +1 312-432-1439 Illinois U.S.A.
  • 3124321440 | +1 312-432-1440 Illinois U.S.A.
  • 3124321441 | +1 312-432-1441 Illinois U.S.A.
  • 3124321442 | +1 312-432-1442 Illinois U.S.A.
  • 3124321443 | +1 312-432-1443 Illinois U.S.A.
  • 3124321444 | +1 312-432-1444 Illinois U.S.A.
  • 3124321445 | +1 312-432-1445 Illinois U.S.A.
  • 3124321446 | +1 312-432-1446 Illinois U.S.A.
  • 3124321447 | +1 312-432-1447 Illinois U.S.A.
  • 3124321448 | +1 312-432-1448 Illinois U.S.A.
  • 3124321449 | +1 312-432-1449 Illinois U.S.A.
  • 3124321450 | +1 312-432-1450 Illinois U.S.A.
  • 3124321451 | +1 312-432-1451 Illinois U.S.A.
  • 3124321452 | +1 312-432-1452 Illinois U.S.A.
  • 3124321453 | +1 312-432-1453 Illinois U.S.A.
  • 3124321454 | +1 312-432-1454 Illinois U.S.A.
  • 3124321455 | +1 312-432-1455 Illinois U.S.A.
  • 3124321456 | +1 312-432-1456 Illinois U.S.A.
  • 3124321457 | +1 312-432-1457 Illinois U.S.A.
  • 3124321458 | +1 312-432-1458 Illinois U.S.A.
  • 3124321459 | +1 312-432-1459 Illinois U.S.A.
  • 3124321460 | +1 312-432-1460 Illinois U.S.A.
  • 3124321461 | +1 312-432-1461 Illinois U.S.A.
  • 3124321462 | +1 312-432-1462 Illinois U.S.A.
  • 3124321463 | +1 312-432-1463 Illinois U.S.A.
  • 3124321464 | +1 312-432-1464 Illinois U.S.A.
  • 3124321465 | +1 312-432-1465 Illinois U.S.A.
  • 3124321466 | +1 312-432-1466 Illinois U.S.A.
  • 3124321467 | +1 312-432-1467 Illinois U.S.A.
  • 3124321468 | +1 312-432-1468 Illinois U.S.A.
  • 3124321469 | +1 312-432-1469 Illinois U.S.A.
  • 3124321470 | +1 312-432-1470 Illinois U.S.A.
  • 3124321471 | +1 312-432-1471 Illinois U.S.A.
  • 3124321472 | +1 312-432-1472 Illinois U.S.A.
  • 3124321473 | +1 312-432-1473 Illinois U.S.A.
  • 3124321474 | +1 312-432-1474 Illinois U.S.A.
  • 3124321475 | +1 312-432-1475 Illinois U.S.A.
  • 3124321476 | +1 312-432-1476 Illinois U.S.A.
  • 3124321477 | +1 312-432-1477 Illinois U.S.A.
  • 3124321478 | +1 312-432-1478 Illinois U.S.A.
  • 3124321479 | +1 312-432-1479 Illinois U.S.A.
  • 3124321480 | +1 312-432-1480 Illinois U.S.A.
  • 3124321481 | +1 312-432-1481 Illinois U.S.A.
  • 3124321482 | +1 312-432-1482 Illinois U.S.A.
  • 3124321483 | +1 312-432-1483 Illinois U.S.A.
  • 3124321484 | +1 312-432-1484 Illinois U.S.A.
  • 3124321485 | +1 312-432-1485 Illinois U.S.A.
  • 3124321486 | +1 312-432-1486 Illinois U.S.A.
  • 3124321487 | +1 312-432-1487 Illinois U.S.A.
  • 3124321488 | +1 312-432-1488 Illinois U.S.A.
  • 3124321489 | +1 312-432-1489 Illinois U.S.A.
  • 3124321490 | +1 312-432-1490 Illinois U.S.A.
  • 3124321491 | +1 312-432-1491 Illinois U.S.A.
  • 3124321492 | +1 312-432-1492 Illinois U.S.A.
  • 3124321493 | +1 312-432-1493 Illinois U.S.A.
  • 3124321494 | +1 312-432-1494 Illinois U.S.A.
  • 3124321495 | +1 312-432-1495 Illinois U.S.A.
  • 3124321496 | +1 312-432-1496 Illinois U.S.A.
  • 3124321497 | +1 312-432-1497 Illinois U.S.A.
  • 3124321498 | +1 312-432-1498 Illinois U.S.A.
  • 3124321499 | +1 312-432-1499 Illinois U.S.A.