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).

  • 3124271600 | +1 312-427-1600 Illinois U.S.A.
  • 3124271601 | +1 312-427-1601 Illinois U.S.A.
  • 3124271602 | +1 312-427-1602 Illinois U.S.A.
  • 3124271603 | +1 312-427-1603 Illinois U.S.A.
  • 3124271604 | +1 312-427-1604 Illinois U.S.A.
  • 3124271605 | +1 312-427-1605 Illinois U.S.A.
  • 3124271606 | +1 312-427-1606 Illinois U.S.A.
  • 3124271607 | +1 312-427-1607 Illinois U.S.A.
  • 3124271608 | +1 312-427-1608 Illinois U.S.A.
  • 3124271609 | +1 312-427-1609 Illinois U.S.A.
  • 3124271610 | +1 312-427-1610 Illinois U.S.A.
  • 3124271611 | +1 312-427-1611 Illinois U.S.A.
  • 3124271612 | +1 312-427-1612 Illinois U.S.A.
  • 3124271613 | +1 312-427-1613 Illinois U.S.A.
  • 3124271614 | +1 312-427-1614 Illinois U.S.A.
  • 3124271615 | +1 312-427-1615 Illinois U.S.A.
  • 3124271616 | +1 312-427-1616 Illinois U.S.A.
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  • 3124271618 | +1 312-427-1618 Illinois U.S.A.
  • 3124271619 | +1 312-427-1619 Illinois U.S.A.
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  • 3124271622 | +1 312-427-1622 Illinois U.S.A.
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  • 3124271624 | +1 312-427-1624 Illinois U.S.A.
  • 3124271625 | +1 312-427-1625 Illinois U.S.A.
  • 3124271626 | +1 312-427-1626 Illinois U.S.A.
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  • 3124271633 | +1 312-427-1633 Illinois U.S.A.
  • 3124271634 | +1 312-427-1634 Illinois U.S.A.
  • 3124271635 | +1 312-427-1635 Illinois U.S.A.
  • 3124271636 | +1 312-427-1636 Illinois U.S.A.
  • 3124271637 | +1 312-427-1637 Illinois U.S.A.
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  • 3124271639 | +1 312-427-1639 Illinois U.S.A.
  • 3124271640 | +1 312-427-1640 Illinois U.S.A.
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  • 3124271643 | +1 312-427-1643 Illinois U.S.A.
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  • 3124271645 | +1 312-427-1645 Illinois U.S.A.
  • 3124271646 | +1 312-427-1646 Illinois U.S.A.
  • 3124271647 | +1 312-427-1647 Illinois U.S.A.
  • 3124271648 | +1 312-427-1648 Illinois U.S.A.
  • 3124271649 | +1 312-427-1649 Illinois U.S.A.
  • 3124271650 | +1 312-427-1650 Illinois U.S.A.
  • 3124271651 | +1 312-427-1651 Illinois U.S.A.
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  • 3124271653 | +1 312-427-1653 Illinois U.S.A.
  • 3124271654 | +1 312-427-1654 Illinois U.S.A.
  • 3124271655 | +1 312-427-1655 Illinois U.S.A.
  • 3124271656 | +1 312-427-1656 Illinois U.S.A.
  • 3124271657 | +1 312-427-1657 Illinois U.S.A.
  • 3124271658 | +1 312-427-1658 Illinois U.S.A.
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  • 3124271660 | +1 312-427-1660 Illinois U.S.A.
  • 3124271661 | +1 312-427-1661 Illinois U.S.A.
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  • 3124271663 | +1 312-427-1663 Illinois U.S.A.
  • 3124271664 | +1 312-427-1664 Illinois U.S.A.
  • 3124271665 | +1 312-427-1665 Illinois U.S.A.
  • 3124271666 | +1 312-427-1666 Illinois U.S.A.
  • 3124271667 | +1 312-427-1667 Illinois U.S.A.
  • 3124271668 | +1 312-427-1668 Illinois U.S.A.
  • 3124271669 | +1 312-427-1669 Illinois U.S.A.
  • 3124271670 | +1 312-427-1670 Illinois U.S.A.
  • 3124271671 | +1 312-427-1671 Illinois U.S.A.
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  • 3124271673 | +1 312-427-1673 Illinois U.S.A.
  • 3124271674 | +1 312-427-1674 Illinois U.S.A.
  • 3124271675 | +1 312-427-1675 Illinois U.S.A.
  • 3124271676 | +1 312-427-1676 Illinois U.S.A.
  • 3124271677 | +1 312-427-1677 Illinois U.S.A.
  • 3124271678 | +1 312-427-1678 Illinois U.S.A.
  • 3124271679 | +1 312-427-1679 Illinois U.S.A.
  • 3124271680 | +1 312-427-1680 Illinois U.S.A.
  • 3124271681 | +1 312-427-1681 Illinois U.S.A.
  • 3124271682 | +1 312-427-1682 Illinois U.S.A.
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  • 3124271684 | +1 312-427-1684 Illinois U.S.A.
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  • 3124271691 | +1 312-427-1691 Illinois U.S.A.
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  • 3124271696 | +1 312-427-1696 Illinois U.S.A.
  • 3124271697 | +1 312-427-1697 Illinois U.S.A.
  • 3124271698 | +1 312-427-1698 Illinois U.S.A.
  • 3124271699 | +1 312-427-1699 Illinois U.S.A.