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).

  • 3127900900 | +1 312-790-0900 Illinois U.S.A.
  • 3127900901 | +1 312-790-0901 Illinois U.S.A.
  • 3127900902 | +1 312-790-0902 Illinois U.S.A.
  • 3127900903 | +1 312-790-0903 Illinois U.S.A.
  • 3127900904 | +1 312-790-0904 Illinois U.S.A.
  • 3127900905 | +1 312-790-0905 Illinois U.S.A.
  • 3127900906 | +1 312-790-0906 Illinois U.S.A.
  • 3127900907 | +1 312-790-0907 Illinois U.S.A.
  • 3127900908 | +1 312-790-0908 Illinois U.S.A.
  • 3127900909 | +1 312-790-0909 Illinois U.S.A.
  • 3127900910 | +1 312-790-0910 Illinois U.S.A.
  • 3127900911 | +1 312-790-0911 Illinois U.S.A.
  • 3127900912 | +1 312-790-0912 Illinois U.S.A.
  • 3127900913 | +1 312-790-0913 Illinois U.S.A.
  • 3127900914 | +1 312-790-0914 Illinois U.S.A.
  • 3127900915 | +1 312-790-0915 Illinois U.S.A.
  • 3127900916 | +1 312-790-0916 Illinois U.S.A.
  • 3127900917 | +1 312-790-0917 Illinois U.S.A.
  • 3127900918 | +1 312-790-0918 Illinois U.S.A.
  • 3127900919 | +1 312-790-0919 Illinois U.S.A.
  • 3127900920 | +1 312-790-0920 Illinois U.S.A.
  • 3127900921 | +1 312-790-0921 Illinois U.S.A.
  • 3127900922 | +1 312-790-0922 Illinois U.S.A.
  • 3127900923 | +1 312-790-0923 Illinois U.S.A.
  • 3127900924 | +1 312-790-0924 Illinois U.S.A.
  • 3127900925 | +1 312-790-0925 Illinois U.S.A.
  • 3127900926 | +1 312-790-0926 Illinois U.S.A.
  • 3127900927 | +1 312-790-0927 Illinois U.S.A.
  • 3127900928 | +1 312-790-0928 Illinois U.S.A.
  • 3127900929 | +1 312-790-0929 Illinois U.S.A.
  • 3127900930 | +1 312-790-0930 Illinois U.S.A.
  • 3127900931 | +1 312-790-0931 Illinois U.S.A.
  • 3127900932 | +1 312-790-0932 Illinois U.S.A.
  • 3127900933 | +1 312-790-0933 Illinois U.S.A.
  • 3127900934 | +1 312-790-0934 Illinois U.S.A.
  • 3127900935 | +1 312-790-0935 Illinois U.S.A.
  • 3127900936 | +1 312-790-0936 Illinois U.S.A.
  • 3127900937 | +1 312-790-0937 Illinois U.S.A.
  • 3127900938 | +1 312-790-0938 Illinois U.S.A.
  • 3127900939 | +1 312-790-0939 Illinois U.S.A.
  • 3127900940 | +1 312-790-0940 Illinois U.S.A.
  • 3127900941 | +1 312-790-0941 Illinois U.S.A.
  • 3127900942 | +1 312-790-0942 Illinois U.S.A.
  • 3127900943 | +1 312-790-0943 Illinois U.S.A.
  • 3127900944 | +1 312-790-0944 Illinois U.S.A.
  • 3127900945 | +1 312-790-0945 Illinois U.S.A.
  • 3127900946 | +1 312-790-0946 Illinois U.S.A.
  • 3127900947 | +1 312-790-0947 Illinois U.S.A.
  • 3127900948 | +1 312-790-0948 Illinois U.S.A.
  • 3127900949 | +1 312-790-0949 Illinois U.S.A.
  • 3127900950 | +1 312-790-0950 Illinois U.S.A.
  • 3127900951 | +1 312-790-0951 Illinois U.S.A.
  • 3127900952 | +1 312-790-0952 Illinois U.S.A.
  • 3127900953 | +1 312-790-0953 Illinois U.S.A.
  • 3127900954 | +1 312-790-0954 Illinois U.S.A.
  • 3127900955 | +1 312-790-0955 Illinois U.S.A.
  • 3127900956 | +1 312-790-0956 Illinois U.S.A.
  • 3127900957 | +1 312-790-0957 Illinois U.S.A.
  • 3127900958 | +1 312-790-0958 Illinois U.S.A.
  • 3127900959 | +1 312-790-0959 Illinois U.S.A.
  • 3127900960 | +1 312-790-0960 Illinois U.S.A.
  • 3127900961 | +1 312-790-0961 Illinois U.S.A.
  • 3127900962 | +1 312-790-0962 Illinois U.S.A.
  • 3127900963 | +1 312-790-0963 Illinois U.S.A.
  • 3127900964 | +1 312-790-0964 Illinois U.S.A.
  • 3127900965 | +1 312-790-0965 Illinois U.S.A.
  • 3127900966 | +1 312-790-0966 Illinois U.S.A.
  • 3127900967 | +1 312-790-0967 Illinois U.S.A.
  • 3127900968 | +1 312-790-0968 Illinois U.S.A.
  • 3127900969 | +1 312-790-0969 Illinois U.S.A.
  • 3127900970 | +1 312-790-0970 Illinois U.S.A.
  • 3127900971 | +1 312-790-0971 Illinois U.S.A.
  • 3127900972 | +1 312-790-0972 Illinois U.S.A.
  • 3127900973 | +1 312-790-0973 Illinois U.S.A.
  • 3127900974 | +1 312-790-0974 Illinois U.S.A.
  • 3127900975 | +1 312-790-0975 Illinois U.S.A.
  • 3127900976 | +1 312-790-0976 Illinois U.S.A.
  • 3127900977 | +1 312-790-0977 Illinois U.S.A.
  • 3127900978 | +1 312-790-0978 Illinois U.S.A.
  • 3127900979 | +1 312-790-0979 Illinois U.S.A.
  • 3127900980 | +1 312-790-0980 Illinois U.S.A.
  • 3127900981 | +1 312-790-0981 Illinois U.S.A.
  • 3127900982 | +1 312-790-0982 Illinois U.S.A.
  • 3127900983 | +1 312-790-0983 Illinois U.S.A.
  • 3127900984 | +1 312-790-0984 Illinois U.S.A.
  • 3127900985 | +1 312-790-0985 Illinois U.S.A.
  • 3127900986 | +1 312-790-0986 Illinois U.S.A.
  • 3127900987 | +1 312-790-0987 Illinois U.S.A.
  • 3127900988 | +1 312-790-0988 Illinois U.S.A.
  • 3127900989 | +1 312-790-0989 Illinois U.S.A.
  • 3127900990 | +1 312-790-0990 Illinois U.S.A.
  • 3127900991 | +1 312-790-0991 Illinois U.S.A.
  • 3127900992 | +1 312-790-0992 Illinois U.S.A.
  • 3127900993 | +1 312-790-0993 Illinois U.S.A.
  • 3127900994 | +1 312-790-0994 Illinois U.S.A.
  • 3127900995 | +1 312-790-0995 Illinois U.S.A.
  • 3127900996 | +1 312-790-0996 Illinois U.S.A.
  • 3127900997 | +1 312-790-0997 Illinois U.S.A.
  • 3127900998 | +1 312-790-0998 Illinois U.S.A.
  • 3127900999 | +1 312-790-0999 Illinois U.S.A.