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).

  • 3122631500 | +1 312-263-1500 Illinois U.S.A.
  • 3122631501 | +1 312-263-1501 Illinois U.S.A.
  • 3122631502 | +1 312-263-1502 Illinois U.S.A.
  • 3122631503 | +1 312-263-1503 Illinois U.S.A.
  • 3122631504 | +1 312-263-1504 Illinois U.S.A.
  • 3122631505 | +1 312-263-1505 Illinois U.S.A.
  • 3122631506 | +1 312-263-1506 Illinois U.S.A.
  • 3122631507 | +1 312-263-1507 Illinois U.S.A.
  • 3122631508 | +1 312-263-1508 Illinois U.S.A.
  • 3122631509 | +1 312-263-1509 Illinois U.S.A.
  • 3122631510 | +1 312-263-1510 Illinois U.S.A.
  • 3122631511 | +1 312-263-1511 Illinois U.S.A.
  • 3122631512 | +1 312-263-1512 Illinois U.S.A.
  • 3122631513 | +1 312-263-1513 Illinois U.S.A.
  • 3122631514 | +1 312-263-1514 Illinois U.S.A.
  • 3122631515 | +1 312-263-1515 Illinois U.S.A.
  • 3122631516 | +1 312-263-1516 Illinois U.S.A.
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  • 3122631518 | +1 312-263-1518 Illinois U.S.A.
  • 3122631519 | +1 312-263-1519 Illinois U.S.A.
  • 3122631520 | +1 312-263-1520 Illinois U.S.A.
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  • 3122631533 | +1 312-263-1533 Illinois U.S.A.
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  • 3122631535 | +1 312-263-1535 Illinois U.S.A.
  • 3122631536 | +1 312-263-1536 Illinois U.S.A.
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  • 3122631540 | +1 312-263-1540 Illinois U.S.A.
  • 3122631541 | +1 312-263-1541 Illinois U.S.A.
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  • 3122631552 | +1 312-263-1552 Illinois U.S.A.
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  • 3122631557 | +1 312-263-1557 Illinois U.S.A.
  • 3122631558 | +1 312-263-1558 Illinois U.S.A.
  • 3122631559 | +1 312-263-1559 Illinois U.S.A.
  • 3122631560 | +1 312-263-1560 Illinois U.S.A.
  • 3122631561 | +1 312-263-1561 Illinois U.S.A.
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  • 3122631563 | +1 312-263-1563 Illinois U.S.A.
  • 3122631564 | +1 312-263-1564 Illinois U.S.A.
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  • 3122631569 | +1 312-263-1569 Illinois U.S.A.
  • 3122631570 | +1 312-263-1570 Illinois U.S.A.
  • 3122631571 | +1 312-263-1571 Illinois U.S.A.
  • 3122631572 | +1 312-263-1572 Illinois U.S.A.
  • 3122631573 | +1 312-263-1573 Illinois U.S.A.
  • 3122631574 | +1 312-263-1574 Illinois U.S.A.
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  • 3122631576 | +1 312-263-1576 Illinois U.S.A.
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  • 3122631578 | +1 312-263-1578 Illinois U.S.A.
  • 3122631579 | +1 312-263-1579 Illinois U.S.A.
  • 3122631580 | +1 312-263-1580 Illinois U.S.A.
  • 3122631581 | +1 312-263-1581 Illinois U.S.A.
  • 3122631582 | +1 312-263-1582 Illinois U.S.A.
  • 3122631583 | +1 312-263-1583 Illinois U.S.A.
  • 3122631584 | +1 312-263-1584 Illinois U.S.A.
  • 3122631585 | +1 312-263-1585 Illinois U.S.A.
  • 3122631586 | +1 312-263-1586 Illinois U.S.A.
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  • 3122631593 | +1 312-263-1593 Illinois U.S.A.
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  • 3122631598 | +1 312-263-1598 Illinois U.S.A.
  • 3122631599 | +1 312-263-1599 Illinois U.S.A.