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).

  • 3129923900 | +1 312-992-3900 Illinois U.S.A.
  • 3129923901 | +1 312-992-3901 Illinois U.S.A.
  • 3129923902 | +1 312-992-3902 Illinois U.S.A.
  • 3129923903 | +1 312-992-3903 Illinois U.S.A.
  • 3129923904 | +1 312-992-3904 Illinois U.S.A.
  • 3129923905 | +1 312-992-3905 Illinois U.S.A.
  • 3129923906 | +1 312-992-3906 Illinois U.S.A.
  • 3129923907 | +1 312-992-3907 Illinois U.S.A.
  • 3129923908 | +1 312-992-3908 Illinois U.S.A.
  • 3129923909 | +1 312-992-3909 Illinois U.S.A.
  • 3129923910 | +1 312-992-3910 Illinois U.S.A.
  • 3129923911 | +1 312-992-3911 Illinois U.S.A.
  • 3129923912 | +1 312-992-3912 Illinois U.S.A.
  • 3129923913 | +1 312-992-3913 Illinois U.S.A.
  • 3129923914 | +1 312-992-3914 Illinois U.S.A.
  • 3129923915 | +1 312-992-3915 Illinois U.S.A.
  • 3129923916 | +1 312-992-3916 Illinois U.S.A.
  • 3129923917 | +1 312-992-3917 Illinois U.S.A.
  • 3129923918 | +1 312-992-3918 Illinois U.S.A.
  • 3129923919 | +1 312-992-3919 Illinois U.S.A.
  • 3129923920 | +1 312-992-3920 Illinois U.S.A.
  • 3129923921 | +1 312-992-3921 Illinois U.S.A.
  • 3129923922 | +1 312-992-3922 Illinois U.S.A.
  • 3129923923 | +1 312-992-3923 Illinois U.S.A.
  • 3129923924 | +1 312-992-3924 Illinois U.S.A.
  • 3129923925 | +1 312-992-3925 Illinois U.S.A.
  • 3129923926 | +1 312-992-3926 Illinois U.S.A.
  • 3129923927 | +1 312-992-3927 Illinois U.S.A.
  • 3129923928 | +1 312-992-3928 Illinois U.S.A.
  • 3129923929 | +1 312-992-3929 Illinois U.S.A.
  • 3129923930 | +1 312-992-3930 Illinois U.S.A.
  • 3129923931 | +1 312-992-3931 Illinois U.S.A.
  • 3129923932 | +1 312-992-3932 Illinois U.S.A.
  • 3129923933 | +1 312-992-3933 Illinois U.S.A.
  • 3129923934 | +1 312-992-3934 Illinois U.S.A.
  • 3129923935 | +1 312-992-3935 Illinois U.S.A.
  • 3129923936 | +1 312-992-3936 Illinois U.S.A.
  • 3129923937 | +1 312-992-3937 Illinois U.S.A.
  • 3129923938 | +1 312-992-3938 Illinois U.S.A.
  • 3129923939 | +1 312-992-3939 Illinois U.S.A.
  • 3129923940 | +1 312-992-3940 Illinois U.S.A.
  • 3129923941 | +1 312-992-3941 Illinois U.S.A.
  • 3129923942 | +1 312-992-3942 Illinois U.S.A.
  • 3129923943 | +1 312-992-3943 Illinois U.S.A.
  • 3129923944 | +1 312-992-3944 Illinois U.S.A.
  • 3129923945 | +1 312-992-3945 Illinois U.S.A.
  • 3129923946 | +1 312-992-3946 Illinois U.S.A.
  • 3129923947 | +1 312-992-3947 Illinois U.S.A.
  • 3129923948 | +1 312-992-3948 Illinois U.S.A.
  • 3129923949 | +1 312-992-3949 Illinois U.S.A.
  • 3129923950 | +1 312-992-3950 Illinois U.S.A.
  • 3129923951 | +1 312-992-3951 Illinois U.S.A.
  • 3129923952 | +1 312-992-3952 Illinois U.S.A.
  • 3129923953 | +1 312-992-3953 Illinois U.S.A.
  • 3129923954 | +1 312-992-3954 Illinois U.S.A.
  • 3129923955 | +1 312-992-3955 Illinois U.S.A.
  • 3129923956 | +1 312-992-3956 Illinois U.S.A.
  • 3129923957 | +1 312-992-3957 Illinois U.S.A.
  • 3129923958 | +1 312-992-3958 Illinois U.S.A.
  • 3129923959 | +1 312-992-3959 Illinois U.S.A.
  • 3129923960 | +1 312-992-3960 Illinois U.S.A.
  • 3129923961 | +1 312-992-3961 Illinois U.S.A.
  • 3129923962 | +1 312-992-3962 Illinois U.S.A.
  • 3129923963 | +1 312-992-3963 Illinois U.S.A.
  • 3129923964 | +1 312-992-3964 Illinois U.S.A.
  • 3129923965 | +1 312-992-3965 Illinois U.S.A.
  • 3129923966 | +1 312-992-3966 Illinois U.S.A.
  • 3129923967 | +1 312-992-3967 Illinois U.S.A.
  • 3129923968 | +1 312-992-3968 Illinois U.S.A.
  • 3129923969 | +1 312-992-3969 Illinois U.S.A.
  • 3129923970 | +1 312-992-3970 Illinois U.S.A.
  • 3129923971 | +1 312-992-3971 Illinois U.S.A.
  • 3129923972 | +1 312-992-3972 Illinois U.S.A.
  • 3129923973 | +1 312-992-3973 Illinois U.S.A.
  • 3129923974 | +1 312-992-3974 Illinois U.S.A.
  • 3129923975 | +1 312-992-3975 Illinois U.S.A.
  • 3129923976 | +1 312-992-3976 Illinois U.S.A.
  • 3129923977 | +1 312-992-3977 Illinois U.S.A.
  • 3129923978 | +1 312-992-3978 Illinois U.S.A.
  • 3129923979 | +1 312-992-3979 Illinois U.S.A.
  • 3129923980 | +1 312-992-3980 Illinois U.S.A.
  • 3129923981 | +1 312-992-3981 Illinois U.S.A.
  • 3129923982 | +1 312-992-3982 Illinois U.S.A.
  • 3129923983 | +1 312-992-3983 Illinois U.S.A.
  • 3129923984 | +1 312-992-3984 Illinois U.S.A.
  • 3129923985 | +1 312-992-3985 Illinois U.S.A.
  • 3129923986 | +1 312-992-3986 Illinois U.S.A.
  • 3129923987 | +1 312-992-3987 Illinois U.S.A.
  • 3129923988 | +1 312-992-3988 Illinois U.S.A.
  • 3129923989 | +1 312-992-3989 Illinois U.S.A.
  • 3129923990 | +1 312-992-3990 Illinois U.S.A.
  • 3129923991 | +1 312-992-3991 Illinois U.S.A.
  • 3129923992 | +1 312-992-3992 Illinois U.S.A.
  • 3129923993 | +1 312-992-3993 Illinois U.S.A.
  • 3129923994 | +1 312-992-3994 Illinois U.S.A.
  • 3129923995 | +1 312-992-3995 Illinois U.S.A.
  • 3129923996 | +1 312-992-3996 Illinois U.S.A.
  • 3129923997 | +1 312-992-3997 Illinois U.S.A.
  • 3129923998 | +1 312-992-3998 Illinois U.S.A.
  • 3129923999 | +1 312-992-3999 Illinois U.S.A.