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).

  • 3129920900 | +1 312-992-0900 Illinois U.S.A.
  • 3129920901 | +1 312-992-0901 Illinois U.S.A.
  • 3129920902 | +1 312-992-0902 Illinois U.S.A.
  • 3129920903 | +1 312-992-0903 Illinois U.S.A.
  • 3129920904 | +1 312-992-0904 Illinois U.S.A.
  • 3129920905 | +1 312-992-0905 Illinois U.S.A.
  • 3129920906 | +1 312-992-0906 Illinois U.S.A.
  • 3129920907 | +1 312-992-0907 Illinois U.S.A.
  • 3129920908 | +1 312-992-0908 Illinois U.S.A.
  • 3129920909 | +1 312-992-0909 Illinois U.S.A.
  • 3129920910 | +1 312-992-0910 Illinois U.S.A.
  • 3129920911 | +1 312-992-0911 Illinois U.S.A.
  • 3129920912 | +1 312-992-0912 Illinois U.S.A.
  • 3129920913 | +1 312-992-0913 Illinois U.S.A.
  • 3129920914 | +1 312-992-0914 Illinois U.S.A.
  • 3129920915 | +1 312-992-0915 Illinois U.S.A.
  • 3129920916 | +1 312-992-0916 Illinois U.S.A.
  • 3129920917 | +1 312-992-0917 Illinois U.S.A.
  • 3129920918 | +1 312-992-0918 Illinois U.S.A.
  • 3129920919 | +1 312-992-0919 Illinois U.S.A.
  • 3129920920 | +1 312-992-0920 Illinois U.S.A.
  • 3129920921 | +1 312-992-0921 Illinois U.S.A.
  • 3129920922 | +1 312-992-0922 Illinois U.S.A.
  • 3129920923 | +1 312-992-0923 Illinois U.S.A.
  • 3129920924 | +1 312-992-0924 Illinois U.S.A.
  • 3129920925 | +1 312-992-0925 Illinois U.S.A.
  • 3129920926 | +1 312-992-0926 Illinois U.S.A.
  • 3129920927 | +1 312-992-0927 Illinois U.S.A.
  • 3129920928 | +1 312-992-0928 Illinois U.S.A.
  • 3129920929 | +1 312-992-0929 Illinois U.S.A.
  • 3129920930 | +1 312-992-0930 Illinois U.S.A.
  • 3129920931 | +1 312-992-0931 Illinois U.S.A.
  • 3129920932 | +1 312-992-0932 Illinois U.S.A.
  • 3129920933 | +1 312-992-0933 Illinois U.S.A.
  • 3129920934 | +1 312-992-0934 Illinois U.S.A.
  • 3129920935 | +1 312-992-0935 Illinois U.S.A.
  • 3129920936 | +1 312-992-0936 Illinois U.S.A.
  • 3129920937 | +1 312-992-0937 Illinois U.S.A.
  • 3129920938 | +1 312-992-0938 Illinois U.S.A.
  • 3129920939 | +1 312-992-0939 Illinois U.S.A.
  • 3129920940 | +1 312-992-0940 Illinois U.S.A.
  • 3129920941 | +1 312-992-0941 Illinois U.S.A.
  • 3129920942 | +1 312-992-0942 Illinois U.S.A.
  • 3129920943 | +1 312-992-0943 Illinois U.S.A.
  • 3129920944 | +1 312-992-0944 Illinois U.S.A.
  • 3129920945 | +1 312-992-0945 Illinois U.S.A.
  • 3129920946 | +1 312-992-0946 Illinois U.S.A.
  • 3129920947 | +1 312-992-0947 Illinois U.S.A.
  • 3129920948 | +1 312-992-0948 Illinois U.S.A.
  • 3129920949 | +1 312-992-0949 Illinois U.S.A.
  • 3129920950 | +1 312-992-0950 Illinois U.S.A.
  • 3129920951 | +1 312-992-0951 Illinois U.S.A.
  • 3129920952 | +1 312-992-0952 Illinois U.S.A.
  • 3129920953 | +1 312-992-0953 Illinois U.S.A.
  • 3129920954 | +1 312-992-0954 Illinois U.S.A.
  • 3129920955 | +1 312-992-0955 Illinois U.S.A.
  • 3129920956 | +1 312-992-0956 Illinois U.S.A.
  • 3129920957 | +1 312-992-0957 Illinois U.S.A.
  • 3129920958 | +1 312-992-0958 Illinois U.S.A.
  • 3129920959 | +1 312-992-0959 Illinois U.S.A.
  • 3129920960 | +1 312-992-0960 Illinois U.S.A.
  • 3129920961 | +1 312-992-0961 Illinois U.S.A.
  • 3129920962 | +1 312-992-0962 Illinois U.S.A.
  • 3129920963 | +1 312-992-0963 Illinois U.S.A.
  • 3129920964 | +1 312-992-0964 Illinois U.S.A.
  • 3129920965 | +1 312-992-0965 Illinois U.S.A.
  • 3129920966 | +1 312-992-0966 Illinois U.S.A.
  • 3129920967 | +1 312-992-0967 Illinois U.S.A.
  • 3129920968 | +1 312-992-0968 Illinois U.S.A.
  • 3129920969 | +1 312-992-0969 Illinois U.S.A.
  • 3129920970 | +1 312-992-0970 Illinois U.S.A.
  • 3129920971 | +1 312-992-0971 Illinois U.S.A.
  • 3129920972 | +1 312-992-0972 Illinois U.S.A.
  • 3129920973 | +1 312-992-0973 Illinois U.S.A.
  • 3129920974 | +1 312-992-0974 Illinois U.S.A.
  • 3129920975 | +1 312-992-0975 Illinois U.S.A.
  • 3129920976 | +1 312-992-0976 Illinois U.S.A.
  • 3129920977 | +1 312-992-0977 Illinois U.S.A.
  • 3129920978 | +1 312-992-0978 Illinois U.S.A.
  • 3129920979 | +1 312-992-0979 Illinois U.S.A.
  • 3129920980 | +1 312-992-0980 Illinois U.S.A.
  • 3129920981 | +1 312-992-0981 Illinois U.S.A.
  • 3129920982 | +1 312-992-0982 Illinois U.S.A.
  • 3129920983 | +1 312-992-0983 Illinois U.S.A.
  • 3129920984 | +1 312-992-0984 Illinois U.S.A.
  • 3129920985 | +1 312-992-0985 Illinois U.S.A.
  • 3129920986 | +1 312-992-0986 Illinois U.S.A.
  • 3129920987 | +1 312-992-0987 Illinois U.S.A.
  • 3129920988 | +1 312-992-0988 Illinois U.S.A.
  • 3129920989 | +1 312-992-0989 Illinois U.S.A.
  • 3129920990 | +1 312-992-0990 Illinois U.S.A.
  • 3129920991 | +1 312-992-0991 Illinois U.S.A.
  • 3129920992 | +1 312-992-0992 Illinois U.S.A.
  • 3129920993 | +1 312-992-0993 Illinois U.S.A.
  • 3129920994 | +1 312-992-0994 Illinois U.S.A.
  • 3129920995 | +1 312-992-0995 Illinois U.S.A.
  • 3129920996 | +1 312-992-0996 Illinois U.S.A.
  • 3129920997 | +1 312-992-0997 Illinois U.S.A.
  • 3129920998 | +1 312-992-0998 Illinois U.S.A.
  • 3129920999 | +1 312-992-0999 Illinois U.S.A.