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).

  • 3124271500 | +1 312-427-1500 Illinois U.S.A.
  • 3124271501 | +1 312-427-1501 Illinois U.S.A.
  • 3124271502 | +1 312-427-1502 Illinois U.S.A.
  • 3124271503 | +1 312-427-1503 Illinois U.S.A.
  • 3124271504 | +1 312-427-1504 Illinois U.S.A.
  • 3124271505 | +1 312-427-1505 Illinois U.S.A.
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  • 3124271508 | +1 312-427-1508 Illinois U.S.A.
  • 3124271509 | +1 312-427-1509 Illinois U.S.A.
  • 3124271510 | +1 312-427-1510 Illinois U.S.A.
  • 3124271511 | +1 312-427-1511 Illinois U.S.A.
  • 3124271512 | +1 312-427-1512 Illinois U.S.A.
  • 3124271513 | +1 312-427-1513 Illinois U.S.A.
  • 3124271514 | +1 312-427-1514 Illinois U.S.A.
  • 3124271515 | +1 312-427-1515 Illinois U.S.A.
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  • 3124271519 | +1 312-427-1519 Illinois U.S.A.
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  • 3124271525 | +1 312-427-1525 Illinois U.S.A.
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  • 3124271547 | +1 312-427-1547 Illinois U.S.A.
  • 3124271548 | +1 312-427-1548 Illinois U.S.A.
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  • 3124271550 | +1 312-427-1550 Illinois U.S.A.
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  • 3124271553 | +1 312-427-1553 Illinois U.S.A.
  • 3124271554 | +1 312-427-1554 Illinois U.S.A.
  • 3124271555 | +1 312-427-1555 Illinois U.S.A.
  • 3124271556 | +1 312-427-1556 Illinois U.S.A.
  • 3124271557 | +1 312-427-1557 Illinois U.S.A.
  • 3124271558 | +1 312-427-1558 Illinois U.S.A.
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  • 3124271560 | +1 312-427-1560 Illinois U.S.A.
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  • 3124271563 | +1 312-427-1563 Illinois U.S.A.
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  • 3124271567 | +1 312-427-1567 Illinois U.S.A.
  • 3124271568 | +1 312-427-1568 Illinois U.S.A.
  • 3124271569 | +1 312-427-1569 Illinois U.S.A.
  • 3124271570 | +1 312-427-1570 Illinois U.S.A.
  • 3124271571 | +1 312-427-1571 Illinois U.S.A.
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  • 3124271573 | +1 312-427-1573 Illinois U.S.A.
  • 3124271574 | +1 312-427-1574 Illinois U.S.A.
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  • 3124271576 | +1 312-427-1576 Illinois U.S.A.
  • 3124271577 | +1 312-427-1577 Illinois U.S.A.
  • 3124271578 | +1 312-427-1578 Illinois U.S.A.
  • 3124271579 | +1 312-427-1579 Illinois U.S.A.
  • 3124271580 | +1 312-427-1580 Illinois U.S.A.
  • 3124271581 | +1 312-427-1581 Illinois U.S.A.
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  • 3124271591 | +1 312-427-1591 Illinois U.S.A.
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  • 3124271597 | +1 312-427-1597 Illinois U.S.A.
  • 3124271598 | +1 312-427-1598 Illinois U.S.A.
  • 3124271599 | +1 312-427-1599 Illinois U.S.A.