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).

  • 3124321800 | +1 312-432-1800 Illinois U.S.A.
  • 3124321801 | +1 312-432-1801 Illinois U.S.A.
  • 3124321802 | +1 312-432-1802 Illinois U.S.A.
  • 3124321803 | +1 312-432-1803 Illinois U.S.A.
  • 3124321804 | +1 312-432-1804 Illinois U.S.A.
  • 3124321805 | +1 312-432-1805 Illinois U.S.A.
  • 3124321806 | +1 312-432-1806 Illinois U.S.A.
  • 3124321807 | +1 312-432-1807 Illinois U.S.A.
  • 3124321808 | +1 312-432-1808 Illinois U.S.A.
  • 3124321809 | +1 312-432-1809 Illinois U.S.A.
  • 3124321810 | +1 312-432-1810 Illinois U.S.A.
  • 3124321811 | +1 312-432-1811 Illinois U.S.A.
  • 3124321812 | +1 312-432-1812 Illinois U.S.A.
  • 3124321813 | +1 312-432-1813 Illinois U.S.A.
  • 3124321814 | +1 312-432-1814 Illinois U.S.A.
  • 3124321815 | +1 312-432-1815 Illinois U.S.A.
  • 3124321816 | +1 312-432-1816 Illinois U.S.A.
  • 3124321817 | +1 312-432-1817 Illinois U.S.A.
  • 3124321818 | +1 312-432-1818 Illinois U.S.A.
  • 3124321819 | +1 312-432-1819 Illinois U.S.A.
  • 3124321820 | +1 312-432-1820 Illinois U.S.A.
  • 3124321821 | +1 312-432-1821 Illinois U.S.A.
  • 3124321822 | +1 312-432-1822 Illinois U.S.A.
  • 3124321823 | +1 312-432-1823 Illinois U.S.A.
  • 3124321824 | +1 312-432-1824 Illinois U.S.A.
  • 3124321825 | +1 312-432-1825 Illinois U.S.A.
  • 3124321826 | +1 312-432-1826 Illinois U.S.A.
  • 3124321827 | +1 312-432-1827 Illinois U.S.A.
  • 3124321828 | +1 312-432-1828 Illinois U.S.A.
  • 3124321829 | +1 312-432-1829 Illinois U.S.A.
  • 3124321830 | +1 312-432-1830 Illinois U.S.A.
  • 3124321831 | +1 312-432-1831 Illinois U.S.A.
  • 3124321832 | +1 312-432-1832 Illinois U.S.A.
  • 3124321833 | +1 312-432-1833 Illinois U.S.A.
  • 3124321834 | +1 312-432-1834 Illinois U.S.A.
  • 3124321835 | +1 312-432-1835 Illinois U.S.A.
  • 3124321836 | +1 312-432-1836 Illinois U.S.A.
  • 3124321837 | +1 312-432-1837 Illinois U.S.A.
  • 3124321838 | +1 312-432-1838 Illinois U.S.A.
  • 3124321839 | +1 312-432-1839 Illinois U.S.A.
  • 3124321840 | +1 312-432-1840 Illinois U.S.A.
  • 3124321841 | +1 312-432-1841 Illinois U.S.A.
  • 3124321842 | +1 312-432-1842 Illinois U.S.A.
  • 3124321843 | +1 312-432-1843 Illinois U.S.A.
  • 3124321844 | +1 312-432-1844 Illinois U.S.A.
  • 3124321845 | +1 312-432-1845 Illinois U.S.A.
  • 3124321846 | +1 312-432-1846 Illinois U.S.A.
  • 3124321847 | +1 312-432-1847 Illinois U.S.A.
  • 3124321848 | +1 312-432-1848 Illinois U.S.A.
  • 3124321849 | +1 312-432-1849 Illinois U.S.A.
  • 3124321850 | +1 312-432-1850 Illinois U.S.A.
  • 3124321851 | +1 312-432-1851 Illinois U.S.A.
  • 3124321852 | +1 312-432-1852 Illinois U.S.A.
  • 3124321853 | +1 312-432-1853 Illinois U.S.A.
  • 3124321854 | +1 312-432-1854 Illinois U.S.A.
  • 3124321855 | +1 312-432-1855 Illinois U.S.A.
  • 3124321856 | +1 312-432-1856 Illinois U.S.A.
  • 3124321857 | +1 312-432-1857 Illinois U.S.A.
  • 3124321858 | +1 312-432-1858 Illinois U.S.A.
  • 3124321859 | +1 312-432-1859 Illinois U.S.A.
  • 3124321860 | +1 312-432-1860 Illinois U.S.A.
  • 3124321861 | +1 312-432-1861 Illinois U.S.A.
  • 3124321862 | +1 312-432-1862 Illinois U.S.A.
  • 3124321863 | +1 312-432-1863 Illinois U.S.A.
  • 3124321864 | +1 312-432-1864 Illinois U.S.A.
  • 3124321865 | +1 312-432-1865 Illinois U.S.A.
  • 3124321866 | +1 312-432-1866 Illinois U.S.A.
  • 3124321867 | +1 312-432-1867 Illinois U.S.A.
  • 3124321868 | +1 312-432-1868 Illinois U.S.A.
  • 3124321869 | +1 312-432-1869 Illinois U.S.A.
  • 3124321870 | +1 312-432-1870 Illinois U.S.A.
  • 3124321871 | +1 312-432-1871 Illinois U.S.A.
  • 3124321872 | +1 312-432-1872 Illinois U.S.A.
  • 3124321873 | +1 312-432-1873 Illinois U.S.A.
  • 3124321874 | +1 312-432-1874 Illinois U.S.A.
  • 3124321875 | +1 312-432-1875 Illinois U.S.A.
  • 3124321876 | +1 312-432-1876 Illinois U.S.A.
  • 3124321877 | +1 312-432-1877 Illinois U.S.A.
  • 3124321878 | +1 312-432-1878 Illinois U.S.A.
  • 3124321879 | +1 312-432-1879 Illinois U.S.A.
  • 3124321880 | +1 312-432-1880 Illinois U.S.A.
  • 3124321881 | +1 312-432-1881 Illinois U.S.A.
  • 3124321882 | +1 312-432-1882 Illinois U.S.A.
  • 3124321883 | +1 312-432-1883 Illinois U.S.A.
  • 3124321884 | +1 312-432-1884 Illinois U.S.A.
  • 3124321885 | +1 312-432-1885 Illinois U.S.A.
  • 3124321886 | +1 312-432-1886 Illinois U.S.A.
  • 3124321887 | +1 312-432-1887 Illinois U.S.A.
  • 3124321888 | +1 312-432-1888 Illinois U.S.A.
  • 3124321889 | +1 312-432-1889 Illinois U.S.A.
  • 3124321890 | +1 312-432-1890 Illinois U.S.A.
  • 3124321891 | +1 312-432-1891 Illinois U.S.A.
  • 3124321892 | +1 312-432-1892 Illinois U.S.A.
  • 3124321893 | +1 312-432-1893 Illinois U.S.A.
  • 3124321894 | +1 312-432-1894 Illinois U.S.A.
  • 3124321895 | +1 312-432-1895 Illinois U.S.A.
  • 3124321896 | +1 312-432-1896 Illinois U.S.A.
  • 3124321897 | +1 312-432-1897 Illinois U.S.A.
  • 3124321898 | +1 312-432-1898 Illinois U.S.A.
  • 3124321899 | +1 312-432-1899 Illinois U.S.A.