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).

  • 3125035900 | +1 312-503-5900 Illinois U.S.A.
  • 3125035901 | +1 312-503-5901 Illinois U.S.A.
  • 3125035902 | +1 312-503-5902 Illinois U.S.A.
  • 3125035903 | +1 312-503-5903 Illinois U.S.A.
  • 3125035904 | +1 312-503-5904 Illinois U.S.A.
  • 3125035905 | +1 312-503-5905 Illinois U.S.A.
  • 3125035906 | +1 312-503-5906 Illinois U.S.A.
  • 3125035907 | +1 312-503-5907 Illinois U.S.A.
  • 3125035908 | +1 312-503-5908 Illinois U.S.A.
  • 3125035909 | +1 312-503-5909 Illinois U.S.A.
  • 3125035910 | +1 312-503-5910 Illinois U.S.A.
  • 3125035911 | +1 312-503-5911 Illinois U.S.A.
  • 3125035912 | +1 312-503-5912 Illinois U.S.A.
  • 3125035913 | +1 312-503-5913 Illinois U.S.A.
  • 3125035914 | +1 312-503-5914 Illinois U.S.A.
  • 3125035915 | +1 312-503-5915 Illinois U.S.A.
  • 3125035916 | +1 312-503-5916 Illinois U.S.A.
  • 3125035917 | +1 312-503-5917 Illinois U.S.A.
  • 3125035918 | +1 312-503-5918 Illinois U.S.A.
  • 3125035919 | +1 312-503-5919 Illinois U.S.A.
  • 3125035920 | +1 312-503-5920 Illinois U.S.A.
  • 3125035921 | +1 312-503-5921 Illinois U.S.A.
  • 3125035922 | +1 312-503-5922 Illinois U.S.A.
  • 3125035923 | +1 312-503-5923 Illinois U.S.A.
  • 3125035924 | +1 312-503-5924 Illinois U.S.A.
  • 3125035925 | +1 312-503-5925 Illinois U.S.A.
  • 3125035926 | +1 312-503-5926 Illinois U.S.A.
  • 3125035927 | +1 312-503-5927 Illinois U.S.A.
  • 3125035928 | +1 312-503-5928 Illinois U.S.A.
  • 3125035929 | +1 312-503-5929 Illinois U.S.A.
  • 3125035930 | +1 312-503-5930 Illinois U.S.A.
  • 3125035931 | +1 312-503-5931 Illinois U.S.A.
  • 3125035932 | +1 312-503-5932 Illinois U.S.A.
  • 3125035933 | +1 312-503-5933 Illinois U.S.A.
  • 3125035934 | +1 312-503-5934 Illinois U.S.A.
  • 3125035935 | +1 312-503-5935 Illinois U.S.A.
  • 3125035936 | +1 312-503-5936 Illinois U.S.A.
  • 3125035937 | +1 312-503-5937 Illinois U.S.A.
  • 3125035938 | +1 312-503-5938 Illinois U.S.A.
  • 3125035939 | +1 312-503-5939 Illinois U.S.A.
  • 3125035940 | +1 312-503-5940 Illinois U.S.A.
  • 3125035941 | +1 312-503-5941 Illinois U.S.A.
  • 3125035942 | +1 312-503-5942 Illinois U.S.A.
  • 3125035943 | +1 312-503-5943 Illinois U.S.A.
  • 3125035944 | +1 312-503-5944 Illinois U.S.A.
  • 3125035945 | +1 312-503-5945 Illinois U.S.A.
  • 3125035946 | +1 312-503-5946 Illinois U.S.A.
  • 3125035947 | +1 312-503-5947 Illinois U.S.A.
  • 3125035948 | +1 312-503-5948 Illinois U.S.A.
  • 3125035949 | +1 312-503-5949 Illinois U.S.A.
  • 3125035950 | +1 312-503-5950 Illinois U.S.A.
  • 3125035951 | +1 312-503-5951 Illinois U.S.A.
  • 3125035952 | +1 312-503-5952 Illinois U.S.A.
  • 3125035953 | +1 312-503-5953 Illinois U.S.A.
  • 3125035954 | +1 312-503-5954 Illinois U.S.A.
  • 3125035955 | +1 312-503-5955 Illinois U.S.A.
  • 3125035956 | +1 312-503-5956 Illinois U.S.A.
  • 3125035957 | +1 312-503-5957 Illinois U.S.A.
  • 3125035958 | +1 312-503-5958 Illinois U.S.A.
  • 3125035959 | +1 312-503-5959 Illinois U.S.A.
  • 3125035960 | +1 312-503-5960 Illinois U.S.A.
  • 3125035961 | +1 312-503-5961 Illinois U.S.A.
  • 3125035962 | +1 312-503-5962 Illinois U.S.A.
  • 3125035963 | +1 312-503-5963 Illinois U.S.A.
  • 3125035964 | +1 312-503-5964 Illinois U.S.A.
  • 3125035965 | +1 312-503-5965 Illinois U.S.A.
  • 3125035966 | +1 312-503-5966 Illinois U.S.A.
  • 3125035967 | +1 312-503-5967 Illinois U.S.A.
  • 3125035968 | +1 312-503-5968 Illinois U.S.A.
  • 3125035969 | +1 312-503-5969 Illinois U.S.A.
  • 3125035970 | +1 312-503-5970 Illinois U.S.A.
  • 3125035971 | +1 312-503-5971 Illinois U.S.A.
  • 3125035972 | +1 312-503-5972 Illinois U.S.A.
  • 3125035973 | +1 312-503-5973 Illinois U.S.A.
  • 3125035974 | +1 312-503-5974 Illinois U.S.A.
  • 3125035975 | +1 312-503-5975 Illinois U.S.A.
  • 3125035976 | +1 312-503-5976 Illinois U.S.A.
  • 3125035977 | +1 312-503-5977 Illinois U.S.A.
  • 3125035978 | +1 312-503-5978 Illinois U.S.A.
  • 3125035979 | +1 312-503-5979 Illinois U.S.A.
  • 3125035980 | +1 312-503-5980 Illinois U.S.A.
  • 3125035981 | +1 312-503-5981 Illinois U.S.A.
  • 3125035982 | +1 312-503-5982 Illinois U.S.A.
  • 3125035983 | +1 312-503-5983 Illinois U.S.A.
  • 3125035984 | +1 312-503-5984 Illinois U.S.A.
  • 3125035985 | +1 312-503-5985 Illinois U.S.A.
  • 3125035986 | +1 312-503-5986 Illinois U.S.A.
  • 3125035987 | +1 312-503-5987 Illinois U.S.A.
  • 3125035988 | +1 312-503-5988 Illinois U.S.A.
  • 3125035989 | +1 312-503-5989 Illinois U.S.A.
  • 3125035990 | +1 312-503-5990 Illinois U.S.A.
  • 3125035991 | +1 312-503-5991 Illinois U.S.A.
  • 3125035992 | +1 312-503-5992 Illinois U.S.A.
  • 3125035993 | +1 312-503-5993 Illinois U.S.A.
  • 3125035994 | +1 312-503-5994 Illinois U.S.A.
  • 3125035995 | +1 312-503-5995 Illinois U.S.A.
  • 3125035996 | +1 312-503-5996 Illinois U.S.A.
  • 3125035997 | +1 312-503-5997 Illinois U.S.A.
  • 3125035998 | +1 312-503-5998 Illinois U.S.A.
  • 3125035999 | +1 312-503-5999 Illinois U.S.A.