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).

  • 3124271400 | +1 312-427-1400 Illinois U.S.A.
  • 3124271401 | +1 312-427-1401 Illinois U.S.A.
  • 3124271402 | +1 312-427-1402 Illinois U.S.A.
  • 3124271403 | +1 312-427-1403 Illinois U.S.A.
  • 3124271404 | +1 312-427-1404 Illinois U.S.A.
  • 3124271405 | +1 312-427-1405 Illinois U.S.A.
  • 3124271406 | +1 312-427-1406 Illinois U.S.A.
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  • 3124271408 | +1 312-427-1408 Illinois U.S.A.
  • 3124271409 | +1 312-427-1409 Illinois U.S.A.
  • 3124271410 | +1 312-427-1410 Illinois U.S.A.
  • 3124271411 | +1 312-427-1411 Illinois U.S.A.
  • 3124271412 | +1 312-427-1412 Illinois U.S.A.
  • 3124271413 | +1 312-427-1413 Illinois U.S.A.
  • 3124271414 | +1 312-427-1414 Illinois U.S.A.
  • 3124271415 | +1 312-427-1415 Illinois U.S.A.
  • 3124271416 | +1 312-427-1416 Illinois U.S.A.
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  • 3124271418 | +1 312-427-1418 Illinois U.S.A.
  • 3124271419 | +1 312-427-1419 Illinois U.S.A.
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  • 3124271422 | +1 312-427-1422 Illinois U.S.A.
  • 3124271423 | +1 312-427-1423 Illinois U.S.A.
  • 3124271424 | +1 312-427-1424 Illinois U.S.A.
  • 3124271425 | +1 312-427-1425 Illinois U.S.A.
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  • 3124271432 | +1 312-427-1432 Illinois U.S.A.
  • 3124271433 | +1 312-427-1433 Illinois U.S.A.
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  • 3124271435 | +1 312-427-1435 Illinois U.S.A.
  • 3124271436 | +1 312-427-1436 Illinois U.S.A.
  • 3124271437 | +1 312-427-1437 Illinois U.S.A.
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  • 3124271439 | +1 312-427-1439 Illinois U.S.A.
  • 3124271440 | +1 312-427-1440 Illinois U.S.A.
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  • 3124271443 | +1 312-427-1443 Illinois U.S.A.
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  • 3124271445 | +1 312-427-1445 Illinois U.S.A.
  • 3124271446 | +1 312-427-1446 Illinois U.S.A.
  • 3124271447 | +1 312-427-1447 Illinois U.S.A.
  • 3124271448 | +1 312-427-1448 Illinois U.S.A.
  • 3124271449 | +1 312-427-1449 Illinois U.S.A.
  • 3124271450 | +1 312-427-1450 Illinois U.S.A.
  • 3124271451 | +1 312-427-1451 Illinois U.S.A.
  • 3124271452 | +1 312-427-1452 Illinois U.S.A.
  • 3124271453 | +1 312-427-1453 Illinois U.S.A.
  • 3124271454 | +1 312-427-1454 Illinois U.S.A.
  • 3124271455 | +1 312-427-1455 Illinois U.S.A.
  • 3124271456 | +1 312-427-1456 Illinois U.S.A.
  • 3124271457 | +1 312-427-1457 Illinois U.S.A.
  • 3124271458 | +1 312-427-1458 Illinois U.S.A.
  • 3124271459 | +1 312-427-1459 Illinois U.S.A.
  • 3124271460 | +1 312-427-1460 Illinois U.S.A.
  • 3124271461 | +1 312-427-1461 Illinois U.S.A.
  • 3124271462 | +1 312-427-1462 Illinois U.S.A.
  • 3124271463 | +1 312-427-1463 Illinois U.S.A.
  • 3124271464 | +1 312-427-1464 Illinois U.S.A.
  • 3124271465 | +1 312-427-1465 Illinois U.S.A.
  • 3124271466 | +1 312-427-1466 Illinois U.S.A.
  • 3124271467 | +1 312-427-1467 Illinois U.S.A.
  • 3124271468 | +1 312-427-1468 Illinois U.S.A.
  • 3124271469 | +1 312-427-1469 Illinois U.S.A.
  • 3124271470 | +1 312-427-1470 Illinois U.S.A.
  • 3124271471 | +1 312-427-1471 Illinois U.S.A.
  • 3124271472 | +1 312-427-1472 Illinois U.S.A.
  • 3124271473 | +1 312-427-1473 Illinois U.S.A.
  • 3124271474 | +1 312-427-1474 Illinois U.S.A.
  • 3124271475 | +1 312-427-1475 Illinois U.S.A.
  • 3124271476 | +1 312-427-1476 Illinois U.S.A.
  • 3124271477 | +1 312-427-1477 Illinois U.S.A.
  • 3124271478 | +1 312-427-1478 Illinois U.S.A.
  • 3124271479 | +1 312-427-1479 Illinois U.S.A.
  • 3124271480 | +1 312-427-1480 Illinois U.S.A.
  • 3124271481 | +1 312-427-1481 Illinois U.S.A.
  • 3124271482 | +1 312-427-1482 Illinois U.S.A.
  • 3124271483 | +1 312-427-1483 Illinois U.S.A.
  • 3124271484 | +1 312-427-1484 Illinois U.S.A.
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  • 3124271486 | +1 312-427-1486 Illinois U.S.A.
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  • 3124271488 | +1 312-427-1488 Illinois U.S.A.
  • 3124271489 | +1 312-427-1489 Illinois U.S.A.
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  • 3124271491 | +1 312-427-1491 Illinois U.S.A.
  • 3124271492 | +1 312-427-1492 Illinois U.S.A.
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  • 3124271496 | +1 312-427-1496 Illinois U.S.A.
  • 3124271497 | +1 312-427-1497 Illinois U.S.A.
  • 3124271498 | +1 312-427-1498 Illinois U.S.A.
  • 3124271499 | +1 312-427-1499 Illinois U.S.A.