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).

  • 3127261500 | +1 312-726-1500 Illinois U.S.A.
  • 3127261501 | +1 312-726-1501 Illinois U.S.A.
  • 3127261502 | +1 312-726-1502 Illinois U.S.A.
  • 3127261503 | +1 312-726-1503 Illinois U.S.A.
  • 3127261504 | +1 312-726-1504 Illinois U.S.A.
  • 3127261505 | +1 312-726-1505 Illinois U.S.A.
  • 3127261506 | +1 312-726-1506 Illinois U.S.A.
  • 3127261507 | +1 312-726-1507 Illinois U.S.A.
  • 3127261508 | +1 312-726-1508 Illinois U.S.A.
  • 3127261509 | +1 312-726-1509 Illinois U.S.A.
  • 3127261510 | +1 312-726-1510 Illinois U.S.A.
  • 3127261511 | +1 312-726-1511 Illinois U.S.A.
  • 3127261512 | +1 312-726-1512 Illinois U.S.A.
  • 3127261513 | +1 312-726-1513 Illinois U.S.A.
  • 3127261514 | +1 312-726-1514 Illinois U.S.A.
  • 3127261515 | +1 312-726-1515 Illinois U.S.A.
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  • 3127261519 | +1 312-726-1519 Illinois U.S.A.
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  • 3127261533 | +1 312-726-1533 Illinois U.S.A.
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  • 3127261547 | +1 312-726-1547 Illinois U.S.A.
  • 3127261548 | +1 312-726-1548 Illinois U.S.A.
  • 3127261549 | +1 312-726-1549 Illinois U.S.A.
  • 3127261550 | +1 312-726-1550 Illinois U.S.A.
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  • 3127261553 | +1 312-726-1553 Illinois U.S.A.
  • 3127261554 | +1 312-726-1554 Illinois U.S.A.
  • 3127261555 | +1 312-726-1555 Illinois U.S.A.
  • 3127261556 | +1 312-726-1556 Illinois U.S.A.
  • 3127261557 | +1 312-726-1557 Illinois U.S.A.
  • 3127261558 | +1 312-726-1558 Illinois U.S.A.
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  • 3127261560 | +1 312-726-1560 Illinois U.S.A.
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  • 3127261563 | +1 312-726-1563 Illinois U.S.A.
  • 3127261564 | +1 312-726-1564 Illinois U.S.A.
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  • 3127261567 | +1 312-726-1567 Illinois U.S.A.
  • 3127261568 | +1 312-726-1568 Illinois U.S.A.
  • 3127261569 | +1 312-726-1569 Illinois U.S.A.
  • 3127261570 | +1 312-726-1570 Illinois U.S.A.
  • 3127261571 | +1 312-726-1571 Illinois U.S.A.
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  • 3127261573 | +1 312-726-1573 Illinois U.S.A.
  • 3127261574 | +1 312-726-1574 Illinois U.S.A.
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  • 3127261576 | +1 312-726-1576 Illinois U.S.A.
  • 3127261577 | +1 312-726-1577 Illinois U.S.A.
  • 3127261578 | +1 312-726-1578 Illinois U.S.A.
  • 3127261579 | +1 312-726-1579 Illinois U.S.A.
  • 3127261580 | +1 312-726-1580 Illinois U.S.A.
  • 3127261581 | +1 312-726-1581 Illinois U.S.A.
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  • 3127261591 | +1 312-726-1591 Illinois U.S.A.
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  • 3127261598 | +1 312-726-1598 Illinois U.S.A.
  • 3127261599 | +1 312-726-1599 Illinois U.S.A.