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).

  • 3124278900 | +1 312-427-8900 Illinois U.S.A.
  • 3124278901 | +1 312-427-8901 Illinois U.S.A.
  • 3124278902 | +1 312-427-8902 Illinois U.S.A.
  • 3124278903 | +1 312-427-8903 Illinois U.S.A.
  • 3124278904 | +1 312-427-8904 Illinois U.S.A.
  • 3124278905 | +1 312-427-8905 Illinois U.S.A.
  • 3124278906 | +1 312-427-8906 Illinois U.S.A.
  • 3124278907 | +1 312-427-8907 Illinois U.S.A.
  • 3124278908 | +1 312-427-8908 Illinois U.S.A.
  • 3124278909 | +1 312-427-8909 Illinois U.S.A.
  • 3124278910 | +1 312-427-8910 Illinois U.S.A.
  • 3124278911 | +1 312-427-8911 Illinois U.S.A.
  • 3124278912 | +1 312-427-8912 Illinois U.S.A.
  • 3124278913 | +1 312-427-8913 Illinois U.S.A.
  • 3124278914 | +1 312-427-8914 Illinois U.S.A.
  • 3124278915 | +1 312-427-8915 Illinois U.S.A.
  • 3124278916 | +1 312-427-8916 Illinois U.S.A.
  • 3124278917 | +1 312-427-8917 Illinois U.S.A.
  • 3124278918 | +1 312-427-8918 Illinois U.S.A.
  • 3124278919 | +1 312-427-8919 Illinois U.S.A.
  • 3124278920 | +1 312-427-8920 Illinois U.S.A.
  • 3124278921 | +1 312-427-8921 Illinois U.S.A.
  • 3124278922 | +1 312-427-8922 Illinois U.S.A.
  • 3124278923 | +1 312-427-8923 Illinois U.S.A.
  • 3124278924 | +1 312-427-8924 Illinois U.S.A.
  • 3124278925 | +1 312-427-8925 Illinois U.S.A.
  • 3124278926 | +1 312-427-8926 Illinois U.S.A.
  • 3124278927 | +1 312-427-8927 Illinois U.S.A.
  • 3124278928 | +1 312-427-8928 Illinois U.S.A.
  • 3124278929 | +1 312-427-8929 Illinois U.S.A.
  • 3124278930 | +1 312-427-8930 Illinois U.S.A.
  • 3124278931 | +1 312-427-8931 Illinois U.S.A.
  • 3124278932 | +1 312-427-8932 Illinois U.S.A.
  • 3124278933 | +1 312-427-8933 Illinois U.S.A.
  • 3124278934 | +1 312-427-8934 Illinois U.S.A.
  • 3124278935 | +1 312-427-8935 Illinois U.S.A.
  • 3124278936 | +1 312-427-8936 Illinois U.S.A.
  • 3124278937 | +1 312-427-8937 Illinois U.S.A.
  • 3124278938 | +1 312-427-8938 Illinois U.S.A.
  • 3124278939 | +1 312-427-8939 Illinois U.S.A.
  • 3124278940 | +1 312-427-8940 Illinois U.S.A.
  • 3124278941 | +1 312-427-8941 Illinois U.S.A.
  • 3124278942 | +1 312-427-8942 Illinois U.S.A.
  • 3124278943 | +1 312-427-8943 Illinois U.S.A.
  • 3124278944 | +1 312-427-8944 Illinois U.S.A.
  • 3124278945 | +1 312-427-8945 Illinois U.S.A.
  • 3124278946 | +1 312-427-8946 Illinois U.S.A.
  • 3124278947 | +1 312-427-8947 Illinois U.S.A.
  • 3124278948 | +1 312-427-8948 Illinois U.S.A.
  • 3124278949 | +1 312-427-8949 Illinois U.S.A.
  • 3124278950 | +1 312-427-8950 Illinois U.S.A.
  • 3124278951 | +1 312-427-8951 Illinois U.S.A.
  • 3124278952 | +1 312-427-8952 Illinois U.S.A.
  • 3124278953 | +1 312-427-8953 Illinois U.S.A.
  • 3124278954 | +1 312-427-8954 Illinois U.S.A.
  • 3124278955 | +1 312-427-8955 Illinois U.S.A.
  • 3124278956 | +1 312-427-8956 Illinois U.S.A.
  • 3124278957 | +1 312-427-8957 Illinois U.S.A.
  • 3124278958 | +1 312-427-8958 Illinois U.S.A.
  • 3124278959 | +1 312-427-8959 Illinois U.S.A.
  • 3124278960 | +1 312-427-8960 Illinois U.S.A.
  • 3124278961 | +1 312-427-8961 Illinois U.S.A.
  • 3124278962 | +1 312-427-8962 Illinois U.S.A.
  • 3124278963 | +1 312-427-8963 Illinois U.S.A.
  • 3124278964 | +1 312-427-8964 Illinois U.S.A.
  • 3124278965 | +1 312-427-8965 Illinois U.S.A.
  • 3124278966 | +1 312-427-8966 Illinois U.S.A.
  • 3124278967 | +1 312-427-8967 Illinois U.S.A.
  • 3124278968 | +1 312-427-8968 Illinois U.S.A.
  • 3124278969 | +1 312-427-8969 Illinois U.S.A.
  • 3124278970 | +1 312-427-8970 Illinois U.S.A.
  • 3124278971 | +1 312-427-8971 Illinois U.S.A.
  • 3124278972 | +1 312-427-8972 Illinois U.S.A.
  • 3124278973 | +1 312-427-8973 Illinois U.S.A.
  • 3124278974 | +1 312-427-8974 Illinois U.S.A.
  • 3124278975 | +1 312-427-8975 Illinois U.S.A.
  • 3124278976 | +1 312-427-8976 Illinois U.S.A.
  • 3124278977 | +1 312-427-8977 Illinois U.S.A.
  • 3124278978 | +1 312-427-8978 Illinois U.S.A.
  • 3124278979 | +1 312-427-8979 Illinois U.S.A.
  • 3124278980 | +1 312-427-8980 Illinois U.S.A.
  • 3124278981 | +1 312-427-8981 Illinois U.S.A.
  • 3124278982 | +1 312-427-8982 Illinois U.S.A.
  • 3124278983 | +1 312-427-8983 Illinois U.S.A.
  • 3124278984 | +1 312-427-8984 Illinois U.S.A.
  • 3124278985 | +1 312-427-8985 Illinois U.S.A.
  • 3124278986 | +1 312-427-8986 Illinois U.S.A.
  • 3124278987 | +1 312-427-8987 Illinois U.S.A.
  • 3124278988 | +1 312-427-8988 Illinois U.S.A.
  • 3124278989 | +1 312-427-8989 Illinois U.S.A.
  • 3124278990 | +1 312-427-8990 Illinois U.S.A.
  • 3124278991 | +1 312-427-8991 Illinois U.S.A.
  • 3124278992 | +1 312-427-8992 Illinois U.S.A.
  • 3124278993 | +1 312-427-8993 Illinois U.S.A.
  • 3124278994 | +1 312-427-8994 Illinois U.S.A.
  • 3124278995 | +1 312-427-8995 Illinois U.S.A.
  • 3124278996 | +1 312-427-8996 Illinois U.S.A.
  • 3124278997 | +1 312-427-8997 Illinois U.S.A.
  • 3124278998 | +1 312-427-8998 Illinois U.S.A.
  • 3124278999 | +1 312-427-8999 Illinois U.S.A.