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).

  • 3127861600 | +1 312-786-1600 Illinois U.S.A.
  • 3127861601 | +1 312-786-1601 Illinois U.S.A.
  • 3127861602 | +1 312-786-1602 Illinois U.S.A.
  • 3127861603 | +1 312-786-1603 Illinois U.S.A.
  • 3127861604 | +1 312-786-1604 Illinois U.S.A.
  • 3127861605 | +1 312-786-1605 Illinois U.S.A.
  • 3127861606 | +1 312-786-1606 Illinois U.S.A.
  • 3127861607 | +1 312-786-1607 Illinois U.S.A.
  • 3127861608 | +1 312-786-1608 Illinois U.S.A.
  • 3127861609 | +1 312-786-1609 Illinois U.S.A.
  • 3127861610 | +1 312-786-1610 Illinois U.S.A.
  • 3127861611 | +1 312-786-1611 Illinois U.S.A.
  • 3127861612 | +1 312-786-1612 Illinois U.S.A.
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  • 3127861631 | +1 312-786-1631 Illinois U.S.A.
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  • 3127861648 | +1 312-786-1648 Illinois U.S.A.
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  • 3127861651 | +1 312-786-1651 Illinois U.S.A.
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  • 3127861653 | +1 312-786-1653 Illinois U.S.A.
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  • 3127861655 | +1 312-786-1655 Illinois U.S.A.
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  • 3127861664 | +1 312-786-1664 Illinois U.S.A.
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  • 3127861666 | +1 312-786-1666 Illinois U.S.A.
  • 3127861667 | +1 312-786-1667 Illinois U.S.A.
  • 3127861668 | +1 312-786-1668 Illinois U.S.A.
  • 3127861669 | +1 312-786-1669 Illinois U.S.A.
  • 3127861670 | +1 312-786-1670 Illinois U.S.A.
  • 3127861671 | +1 312-786-1671 Illinois U.S.A.
  • 3127861672 | +1 312-786-1672 Illinois U.S.A.
  • 3127861673 | +1 312-786-1673 Illinois U.S.A.
  • 3127861674 | +1 312-786-1674 Illinois U.S.A.
  • 3127861675 | +1 312-786-1675 Illinois U.S.A.
  • 3127861676 | +1 312-786-1676 Illinois U.S.A.
  • 3127861677 | +1 312-786-1677 Illinois U.S.A.
  • 3127861678 | +1 312-786-1678 Illinois U.S.A.
  • 3127861679 | +1 312-786-1679 Illinois U.S.A.
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  • 3127861694 | +1 312-786-1694 Illinois U.S.A.
  • 3127861695 | +1 312-786-1695 Illinois U.S.A.
  • 3127861696 | +1 312-786-1696 Illinois U.S.A.
  • 3127861697 | +1 312-786-1697 Illinois U.S.A.
  • 3127861698 | +1 312-786-1698 Illinois U.S.A.
  • 3127861699 | +1 312-786-1699 Illinois U.S.A.