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).

  • 3124721800 | +1 312-472-1800 Illinois U.S.A.
  • 3124721801 | +1 312-472-1801 Illinois U.S.A.
  • 3124721802 | +1 312-472-1802 Illinois U.S.A.
  • 3124721803 | +1 312-472-1803 Illinois U.S.A.
  • 3124721804 | +1 312-472-1804 Illinois U.S.A.
  • 3124721805 | +1 312-472-1805 Illinois U.S.A.
  • 3124721806 | +1 312-472-1806 Illinois U.S.A.
  • 3124721807 | +1 312-472-1807 Illinois U.S.A.
  • 3124721808 | +1 312-472-1808 Illinois U.S.A.
  • 3124721809 | +1 312-472-1809 Illinois U.S.A.
  • 3124721810 | +1 312-472-1810 Illinois U.S.A.
  • 3124721811 | +1 312-472-1811 Illinois U.S.A.
  • 3124721812 | +1 312-472-1812 Illinois U.S.A.
  • 3124721813 | +1 312-472-1813 Illinois U.S.A.
  • 3124721814 | +1 312-472-1814 Illinois U.S.A.
  • 3124721815 | +1 312-472-1815 Illinois U.S.A.
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  • 3124721818 | +1 312-472-1818 Illinois U.S.A.
  • 3124721819 | +1 312-472-1819 Illinois U.S.A.
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  • 3124721823 | +1 312-472-1823 Illinois U.S.A.
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  • 3124721835 | +1 312-472-1835 Illinois U.S.A.
  • 3124721836 | +1 312-472-1836 Illinois U.S.A.
  • 3124721837 | +1 312-472-1837 Illinois U.S.A.
  • 3124721838 | +1 312-472-1838 Illinois U.S.A.
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  • 3124721840 | +1 312-472-1840 Illinois U.S.A.
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  • 3124721847 | +1 312-472-1847 Illinois U.S.A.
  • 3124721848 | +1 312-472-1848 Illinois U.S.A.
  • 3124721849 | +1 312-472-1849 Illinois U.S.A.
  • 3124721850 | +1 312-472-1850 Illinois U.S.A.
  • 3124721851 | +1 312-472-1851 Illinois U.S.A.
  • 3124721852 | +1 312-472-1852 Illinois U.S.A.
  • 3124721853 | +1 312-472-1853 Illinois U.S.A.
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  • 3124721855 | +1 312-472-1855 Illinois U.S.A.
  • 3124721856 | +1 312-472-1856 Illinois U.S.A.
  • 3124721857 | +1 312-472-1857 Illinois U.S.A.
  • 3124721858 | +1 312-472-1858 Illinois U.S.A.
  • 3124721859 | +1 312-472-1859 Illinois U.S.A.
  • 3124721860 | +1 312-472-1860 Illinois U.S.A.
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  • 3124721869 | +1 312-472-1869 Illinois U.S.A.
  • 3124721870 | +1 312-472-1870 Illinois U.S.A.
  • 3124721871 | +1 312-472-1871 Illinois U.S.A.
  • 3124721872 | +1 312-472-1872 Illinois U.S.A.
  • 3124721873 | +1 312-472-1873 Illinois U.S.A.
  • 3124721874 | +1 312-472-1874 Illinois U.S.A.
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  • 3124721876 | +1 312-472-1876 Illinois U.S.A.
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  • 3124721878 | +1 312-472-1878 Illinois U.S.A.
  • 3124721879 | +1 312-472-1879 Illinois U.S.A.
  • 3124721880 | +1 312-472-1880 Illinois U.S.A.
  • 3124721881 | +1 312-472-1881 Illinois U.S.A.
  • 3124721882 | +1 312-472-1882 Illinois U.S.A.
  • 3124721883 | +1 312-472-1883 Illinois U.S.A.
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  • 3124721886 | +1 312-472-1886 Illinois U.S.A.
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  • 3124721898 | +1 312-472-1898 Illinois U.S.A.
  • 3124721899 | +1 312-472-1899 Illinois U.S.A.