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).

  • 3123335900 | +1 312-333-5900 Illinois U.S.A.
  • 3123335901 | +1 312-333-5901 Illinois U.S.A.
  • 3123335902 | +1 312-333-5902 Illinois U.S.A.
  • 3123335903 | +1 312-333-5903 Illinois U.S.A.
  • 3123335904 | +1 312-333-5904 Illinois U.S.A.
  • 3123335905 | +1 312-333-5905 Illinois U.S.A.
  • 3123335906 | +1 312-333-5906 Illinois U.S.A.
  • 3123335907 | +1 312-333-5907 Illinois U.S.A.
  • 3123335908 | +1 312-333-5908 Illinois U.S.A.
  • 3123335909 | +1 312-333-5909 Illinois U.S.A.
  • 3123335910 | +1 312-333-5910 Illinois U.S.A.
  • 3123335911 | +1 312-333-5911 Illinois U.S.A.
  • 3123335912 | +1 312-333-5912 Illinois U.S.A.
  • 3123335913 | +1 312-333-5913 Illinois U.S.A.
  • 3123335914 | +1 312-333-5914 Illinois U.S.A.
  • 3123335915 | +1 312-333-5915 Illinois U.S.A.
  • 3123335916 | +1 312-333-5916 Illinois U.S.A.
  • 3123335917 | +1 312-333-5917 Illinois U.S.A.
  • 3123335918 | +1 312-333-5918 Illinois U.S.A.
  • 3123335919 | +1 312-333-5919 Illinois U.S.A.
  • 3123335920 | +1 312-333-5920 Illinois U.S.A.
  • 3123335921 | +1 312-333-5921 Illinois U.S.A.
  • 3123335922 | +1 312-333-5922 Illinois U.S.A.
  • 3123335923 | +1 312-333-5923 Illinois U.S.A.
  • 3123335924 | +1 312-333-5924 Illinois U.S.A.
  • 3123335925 | +1 312-333-5925 Illinois U.S.A.
  • 3123335926 | +1 312-333-5926 Illinois U.S.A.
  • 3123335927 | +1 312-333-5927 Illinois U.S.A.
  • 3123335928 | +1 312-333-5928 Illinois U.S.A.
  • 3123335929 | +1 312-333-5929 Illinois U.S.A.
  • 3123335930 | +1 312-333-5930 Illinois U.S.A.
  • 3123335931 | +1 312-333-5931 Illinois U.S.A.
  • 3123335932 | +1 312-333-5932 Illinois U.S.A.
  • 3123335933 | +1 312-333-5933 Illinois U.S.A.
  • 3123335934 | +1 312-333-5934 Illinois U.S.A.
  • 3123335935 | +1 312-333-5935 Illinois U.S.A.
  • 3123335936 | +1 312-333-5936 Illinois U.S.A.
  • 3123335937 | +1 312-333-5937 Illinois U.S.A.
  • 3123335938 | +1 312-333-5938 Illinois U.S.A.
  • 3123335939 | +1 312-333-5939 Illinois U.S.A.
  • 3123335940 | +1 312-333-5940 Illinois U.S.A.
  • 3123335941 | +1 312-333-5941 Illinois U.S.A.
  • 3123335942 | +1 312-333-5942 Illinois U.S.A.
  • 3123335943 | +1 312-333-5943 Illinois U.S.A.
  • 3123335944 | +1 312-333-5944 Illinois U.S.A.
  • 3123335945 | +1 312-333-5945 Illinois U.S.A.
  • 3123335946 | +1 312-333-5946 Illinois U.S.A.
  • 3123335947 | +1 312-333-5947 Illinois U.S.A.
  • 3123335948 | +1 312-333-5948 Illinois U.S.A.
  • 3123335949 | +1 312-333-5949 Illinois U.S.A.
  • 3123335950 | +1 312-333-5950 Illinois U.S.A.
  • 3123335951 | +1 312-333-5951 Illinois U.S.A.
  • 3123335952 | +1 312-333-5952 Illinois U.S.A.
  • 3123335953 | +1 312-333-5953 Illinois U.S.A.
  • 3123335954 | +1 312-333-5954 Illinois U.S.A.
  • 3123335955 | +1 312-333-5955 Illinois U.S.A.
  • 3123335956 | +1 312-333-5956 Illinois U.S.A.
  • 3123335957 | +1 312-333-5957 Illinois U.S.A.
  • 3123335958 | +1 312-333-5958 Illinois U.S.A.
  • 3123335959 | +1 312-333-5959 Illinois U.S.A.
  • 3123335960 | +1 312-333-5960 Illinois U.S.A.
  • 3123335961 | +1 312-333-5961 Illinois U.S.A.
  • 3123335962 | +1 312-333-5962 Illinois U.S.A.
  • 3123335963 | +1 312-333-5963 Illinois U.S.A.
  • 3123335964 | +1 312-333-5964 Illinois U.S.A.
  • 3123335965 | +1 312-333-5965 Illinois U.S.A.
  • 3123335966 | +1 312-333-5966 Illinois U.S.A.
  • 3123335967 | +1 312-333-5967 Illinois U.S.A.
  • 3123335968 | +1 312-333-5968 Illinois U.S.A.
  • 3123335969 | +1 312-333-5969 Illinois U.S.A.
  • 3123335970 | +1 312-333-5970 Illinois U.S.A.
  • 3123335971 | +1 312-333-5971 Illinois U.S.A.
  • 3123335972 | +1 312-333-5972 Illinois U.S.A.
  • 3123335973 | +1 312-333-5973 Illinois U.S.A.
  • 3123335974 | +1 312-333-5974 Illinois U.S.A.
  • 3123335975 | +1 312-333-5975 Illinois U.S.A.
  • 3123335976 | +1 312-333-5976 Illinois U.S.A.
  • 3123335977 | +1 312-333-5977 Illinois U.S.A.
  • 3123335978 | +1 312-333-5978 Illinois U.S.A.
  • 3123335979 | +1 312-333-5979 Illinois U.S.A.
  • 3123335980 | +1 312-333-5980 Illinois U.S.A.
  • 3123335981 | +1 312-333-5981 Illinois U.S.A.
  • 3123335982 | +1 312-333-5982 Illinois U.S.A.
  • 3123335983 | +1 312-333-5983 Illinois U.S.A.
  • 3123335984 | +1 312-333-5984 Illinois U.S.A.
  • 3123335985 | +1 312-333-5985 Illinois U.S.A.
  • 3123335986 | +1 312-333-5986 Illinois U.S.A.
  • 3123335987 | +1 312-333-5987 Illinois U.S.A.
  • 3123335988 | +1 312-333-5988 Illinois U.S.A.
  • 3123335989 | +1 312-333-5989 Illinois U.S.A.
  • 3123335990 | +1 312-333-5990 Illinois U.S.A.
  • 3123335991 | +1 312-333-5991 Illinois U.S.A.
  • 3123335992 | +1 312-333-5992 Illinois U.S.A.
  • 3123335993 | +1 312-333-5993 Illinois U.S.A.
  • 3123335994 | +1 312-333-5994 Illinois U.S.A.
  • 3123335995 | +1 312-333-5995 Illinois U.S.A.
  • 3123335996 | +1 312-333-5996 Illinois U.S.A.
  • 3123335997 | +1 312-333-5997 Illinois U.S.A.
  • 3123335998 | +1 312-333-5998 Illinois U.S.A.
  • 3123335999 | +1 312-333-5999 Illinois U.S.A.