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).

  • 3123371600 | +1 312-337-1600 Illinois U.S.A.
  • 3123371601 | +1 312-337-1601 Illinois U.S.A.
  • 3123371602 | +1 312-337-1602 Illinois U.S.A.
  • 3123371603 | +1 312-337-1603 Illinois U.S.A.
  • 3123371604 | +1 312-337-1604 Illinois U.S.A.
  • 3123371605 | +1 312-337-1605 Illinois U.S.A.
  • 3123371606 | +1 312-337-1606 Illinois U.S.A.
  • 3123371607 | +1 312-337-1607 Illinois U.S.A.
  • 3123371608 | +1 312-337-1608 Illinois U.S.A.
  • 3123371609 | +1 312-337-1609 Illinois U.S.A.
  • 3123371610 | +1 312-337-1610 Illinois U.S.A.
  • 3123371611 | +1 312-337-1611 Illinois U.S.A.
  • 3123371612 | +1 312-337-1612 Illinois U.S.A.
  • 3123371613 | +1 312-337-1613 Illinois U.S.A.
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  • 3123371615 | +1 312-337-1615 Illinois U.S.A.
  • 3123371616 | +1 312-337-1616 Illinois U.S.A.
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  • 3123371618 | +1 312-337-1618 Illinois U.S.A.
  • 3123371619 | +1 312-337-1619 Illinois U.S.A.
  • 3123371620 | +1 312-337-1620 Illinois U.S.A.
  • 3123371621 | +1 312-337-1621 Illinois U.S.A.
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  • 3123371623 | +1 312-337-1623 Illinois U.S.A.
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  • 3123371625 | +1 312-337-1625 Illinois U.S.A.
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  • 3123371627 | +1 312-337-1627 Illinois U.S.A.
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  • 3123371630 | +1 312-337-1630 Illinois U.S.A.
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  • 3123371635 | +1 312-337-1635 Illinois U.S.A.
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  • 3123371637 | +1 312-337-1637 Illinois U.S.A.
  • 3123371638 | +1 312-337-1638 Illinois U.S.A.
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  • 3123371640 | +1 312-337-1640 Illinois U.S.A.
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  • 3123371648 | +1 312-337-1648 Illinois U.S.A.
  • 3123371649 | +1 312-337-1649 Illinois U.S.A.
  • 3123371650 | +1 312-337-1650 Illinois U.S.A.
  • 3123371651 | +1 312-337-1651 Illinois U.S.A.
  • 3123371652 | +1 312-337-1652 Illinois U.S.A.
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  • 3123371654 | +1 312-337-1654 Illinois U.S.A.
  • 3123371655 | +1 312-337-1655 Illinois U.S.A.
  • 3123371656 | +1 312-337-1656 Illinois U.S.A.
  • 3123371657 | +1 312-337-1657 Illinois U.S.A.
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  • 3123371659 | +1 312-337-1659 Illinois U.S.A.
  • 3123371660 | +1 312-337-1660 Illinois U.S.A.
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  • 3123371663 | +1 312-337-1663 Illinois U.S.A.
  • 3123371664 | +1 312-337-1664 Illinois U.S.A.
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  • 3123371670 | +1 312-337-1670 Illinois U.S.A.
  • 3123371671 | +1 312-337-1671 Illinois U.S.A.
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  • 3123371673 | +1 312-337-1673 Illinois U.S.A.
  • 3123371674 | +1 312-337-1674 Illinois U.S.A.
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  • 3123371676 | +1 312-337-1676 Illinois U.S.A.
  • 3123371677 | +1 312-337-1677 Illinois U.S.A.
  • 3123371678 | +1 312-337-1678 Illinois U.S.A.
  • 3123371679 | +1 312-337-1679 Illinois U.S.A.
  • 3123371680 | +1 312-337-1680 Illinois U.S.A.
  • 3123371681 | +1 312-337-1681 Illinois U.S.A.
  • 3123371682 | +1 312-337-1682 Illinois U.S.A.
  • 3123371683 | +1 312-337-1683 Illinois U.S.A.
  • 3123371684 | +1 312-337-1684 Illinois U.S.A.
  • 3123371685 | +1 312-337-1685 Illinois U.S.A.
  • 3123371686 | +1 312-337-1686 Illinois U.S.A.
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