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).

  • 3127861500 | +1 312-786-1500 Illinois U.S.A.
  • 3127861501 | +1 312-786-1501 Illinois U.S.A.
  • 3127861502 | +1 312-786-1502 Illinois U.S.A.
  • 3127861503 | +1 312-786-1503 Illinois U.S.A.
  • 3127861504 | +1 312-786-1504 Illinois U.S.A.
  • 3127861505 | +1 312-786-1505 Illinois U.S.A.
  • 3127861506 | +1 312-786-1506 Illinois U.S.A.
  • 3127861507 | +1 312-786-1507 Illinois U.S.A.
  • 3127861508 | +1 312-786-1508 Illinois U.S.A.
  • 3127861509 | +1 312-786-1509 Illinois U.S.A.
  • 3127861510 | +1 312-786-1510 Illinois U.S.A.
  • 3127861511 | +1 312-786-1511 Illinois U.S.A.
  • 3127861512 | +1 312-786-1512 Illinois U.S.A.
  • 3127861513 | +1 312-786-1513 Illinois U.S.A.
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  • 3127861518 | +1 312-786-1518 Illinois U.S.A.
  • 3127861519 | +1 312-786-1519 Illinois U.S.A.
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  • 3127861523 | +1 312-786-1523 Illinois U.S.A.
  • 3127861524 | +1 312-786-1524 Illinois U.S.A.
  • 3127861525 | +1 312-786-1525 Illinois U.S.A.
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  • 3127861531 | +1 312-786-1531 Illinois U.S.A.
  • 3127861532 | +1 312-786-1532 Illinois U.S.A.
  • 3127861533 | +1 312-786-1533 Illinois U.S.A.
  • 3127861534 | +1 312-786-1534 Illinois U.S.A.
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  • 3127861545 | +1 312-786-1545 Illinois U.S.A.
  • 3127861546 | +1 312-786-1546 Illinois U.S.A.
  • 3127861547 | +1 312-786-1547 Illinois U.S.A.
  • 3127861548 | +1 312-786-1548 Illinois U.S.A.
  • 3127861549 | +1 312-786-1549 Illinois U.S.A.
  • 3127861550 | +1 312-786-1550 Illinois U.S.A.
  • 3127861551 | +1 312-786-1551 Illinois U.S.A.
  • 3127861552 | +1 312-786-1552 Illinois U.S.A.
  • 3127861553 | +1 312-786-1553 Illinois U.S.A.
  • 3127861554 | +1 312-786-1554 Illinois U.S.A.
  • 3127861555 | +1 312-786-1555 Illinois U.S.A.
  • 3127861556 | +1 312-786-1556 Illinois U.S.A.
  • 3127861557 | +1 312-786-1557 Illinois U.S.A.
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  • 3127861561 | +1 312-786-1561 Illinois U.S.A.
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  • 3127861564 | +1 312-786-1564 Illinois U.S.A.
  • 3127861565 | +1 312-786-1565 Illinois U.S.A.
  • 3127861566 | +1 312-786-1566 Illinois U.S.A.
  • 3127861567 | +1 312-786-1567 Illinois U.S.A.
  • 3127861568 | +1 312-786-1568 Illinois U.S.A.
  • 3127861569 | +1 312-786-1569 Illinois U.S.A.
  • 3127861570 | +1 312-786-1570 Illinois U.S.A.
  • 3127861571 | +1 312-786-1571 Illinois U.S.A.
  • 3127861572 | +1 312-786-1572 Illinois U.S.A.
  • 3127861573 | +1 312-786-1573 Illinois U.S.A.
  • 3127861574 | +1 312-786-1574 Illinois U.S.A.
  • 3127861575 | +1 312-786-1575 Illinois U.S.A.
  • 3127861576 | +1 312-786-1576 Illinois U.S.A.
  • 3127861577 | +1 312-786-1577 Illinois U.S.A.
  • 3127861578 | +1 312-786-1578 Illinois U.S.A.
  • 3127861579 | +1 312-786-1579 Illinois U.S.A.
  • 3127861580 | +1 312-786-1580 Illinois U.S.A.
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  • 3127861586 | +1 312-786-1586 Illinois U.S.A.
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  • 3127861592 | +1 312-786-1592 Illinois U.S.A.
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  • 3127861594 | +1 312-786-1594 Illinois U.S.A.
  • 3127861595 | +1 312-786-1595 Illinois U.S.A.
  • 3127861596 | +1 312-786-1596 Illinois U.S.A.
  • 3127861597 | +1 312-786-1597 Illinois U.S.A.
  • 3127861598 | +1 312-786-1598 Illinois U.S.A.
  • 3127861599 | +1 312-786-1599 Illinois U.S.A.