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).

  • 3129921500 | +1 312-992-1500 Illinois U.S.A.
  • 3129921501 | +1 312-992-1501 Illinois U.S.A.
  • 3129921502 | +1 312-992-1502 Illinois U.S.A.
  • 3129921503 | +1 312-992-1503 Illinois U.S.A.
  • 3129921504 | +1 312-992-1504 Illinois U.S.A.
  • 3129921505 | +1 312-992-1505 Illinois U.S.A.
  • 3129921506 | +1 312-992-1506 Illinois U.S.A.
  • 3129921507 | +1 312-992-1507 Illinois U.S.A.
  • 3129921508 | +1 312-992-1508 Illinois U.S.A.
  • 3129921509 | +1 312-992-1509 Illinois U.S.A.
  • 3129921510 | +1 312-992-1510 Illinois U.S.A.
  • 3129921511 | +1 312-992-1511 Illinois U.S.A.
  • 3129921512 | +1 312-992-1512 Illinois U.S.A.
  • 3129921513 | +1 312-992-1513 Illinois U.S.A.
  • 3129921514 | +1 312-992-1514 Illinois U.S.A.
  • 3129921515 | +1 312-992-1515 Illinois U.S.A.
  • 3129921516 | +1 312-992-1516 Illinois U.S.A.
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  • 3129921518 | +1 312-992-1518 Illinois U.S.A.
  • 3129921519 | +1 312-992-1519 Illinois U.S.A.
  • 3129921520 | +1 312-992-1520 Illinois U.S.A.
  • 3129921521 | +1 312-992-1521 Illinois U.S.A.
  • 3129921522 | +1 312-992-1522 Illinois U.S.A.
  • 3129921523 | +1 312-992-1523 Illinois U.S.A.
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  • 3129921528 | +1 312-992-1528 Illinois U.S.A.
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  • 3129921530 | +1 312-992-1530 Illinois U.S.A.
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  • 3129921533 | +1 312-992-1533 Illinois U.S.A.
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  • 3129921535 | +1 312-992-1535 Illinois U.S.A.
  • 3129921536 | +1 312-992-1536 Illinois U.S.A.
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  • 3129921538 | +1 312-992-1538 Illinois U.S.A.
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  • 3129921540 | +1 312-992-1540 Illinois U.S.A.
  • 3129921541 | +1 312-992-1541 Illinois U.S.A.
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  • 3129921548 | +1 312-992-1548 Illinois U.S.A.
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  • 3129921550 | +1 312-992-1550 Illinois U.S.A.
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  • 3129921552 | +1 312-992-1552 Illinois U.S.A.
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  • 3129921555 | +1 312-992-1555 Illinois U.S.A.
  • 3129921556 | +1 312-992-1556 Illinois U.S.A.
  • 3129921557 | +1 312-992-1557 Illinois U.S.A.
  • 3129921558 | +1 312-992-1558 Illinois U.S.A.
  • 3129921559 | +1 312-992-1559 Illinois U.S.A.
  • 3129921560 | +1 312-992-1560 Illinois U.S.A.
  • 3129921561 | +1 312-992-1561 Illinois U.S.A.
  • 3129921562 | +1 312-992-1562 Illinois U.S.A.
  • 3129921563 | +1 312-992-1563 Illinois U.S.A.
  • 3129921564 | +1 312-992-1564 Illinois U.S.A.
  • 3129921565 | +1 312-992-1565 Illinois U.S.A.
  • 3129921566 | +1 312-992-1566 Illinois U.S.A.
  • 3129921567 | +1 312-992-1567 Illinois U.S.A.
  • 3129921568 | +1 312-992-1568 Illinois U.S.A.
  • 3129921569 | +1 312-992-1569 Illinois U.S.A.
  • 3129921570 | +1 312-992-1570 Illinois U.S.A.
  • 3129921571 | +1 312-992-1571 Illinois U.S.A.
  • 3129921572 | +1 312-992-1572 Illinois U.S.A.
  • 3129921573 | +1 312-992-1573 Illinois U.S.A.
  • 3129921574 | +1 312-992-1574 Illinois U.S.A.
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  • 3129921576 | +1 312-992-1576 Illinois U.S.A.
  • 3129921577 | +1 312-992-1577 Illinois U.S.A.
  • 3129921578 | +1 312-992-1578 Illinois U.S.A.
  • 3129921579 | +1 312-992-1579 Illinois U.S.A.
  • 3129921580 | +1 312-992-1580 Illinois U.S.A.
  • 3129921581 | +1 312-992-1581 Illinois U.S.A.
  • 3129921582 | +1 312-992-1582 Illinois U.S.A.
  • 3129921583 | +1 312-992-1583 Illinois U.S.A.
  • 3129921584 | +1 312-992-1584 Illinois U.S.A.
  • 3129921585 | +1 312-992-1585 Illinois U.S.A.
  • 3129921586 | +1 312-992-1586 Illinois U.S.A.
  • 3129921587 | +1 312-992-1587 Illinois U.S.A.
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  • 3129921593 | +1 312-992-1593 Illinois U.S.A.
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  • 3129921595 | +1 312-992-1595 Illinois U.S.A.
  • 3129921596 | +1 312-992-1596 Illinois U.S.A.
  • 3129921597 | +1 312-992-1597 Illinois U.S.A.
  • 3129921598 | +1 312-992-1598 Illinois U.S.A.
  • 3129921599 | +1 312-992-1599 Illinois U.S.A.