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).

  • 3123373900 | +1 312-337-3900 Illinois U.S.A.
  • 3123373901 | +1 312-337-3901 Illinois U.S.A.
  • 3123373902 | +1 312-337-3902 Illinois U.S.A.
  • 3123373903 | +1 312-337-3903 Illinois U.S.A.
  • 3123373904 | +1 312-337-3904 Illinois U.S.A.
  • 3123373905 | +1 312-337-3905 Illinois U.S.A.
  • 3123373906 | +1 312-337-3906 Illinois U.S.A.
  • 3123373907 | +1 312-337-3907 Illinois U.S.A.
  • 3123373908 | +1 312-337-3908 Illinois U.S.A.
  • 3123373909 | +1 312-337-3909 Illinois U.S.A.
  • 3123373910 | +1 312-337-3910 Illinois U.S.A.
  • 3123373911 | +1 312-337-3911 Illinois U.S.A.
  • 3123373912 | +1 312-337-3912 Illinois U.S.A.
  • 3123373913 | +1 312-337-3913 Illinois U.S.A.
  • 3123373914 | +1 312-337-3914 Illinois U.S.A.
  • 3123373915 | +1 312-337-3915 Illinois U.S.A.
  • 3123373916 | +1 312-337-3916 Illinois U.S.A.
  • 3123373917 | +1 312-337-3917 Illinois U.S.A.
  • 3123373918 | +1 312-337-3918 Illinois U.S.A.
  • 3123373919 | +1 312-337-3919 Illinois U.S.A.
  • 3123373920 | +1 312-337-3920 Illinois U.S.A.
  • 3123373921 | +1 312-337-3921 Illinois U.S.A.
  • 3123373922 | +1 312-337-3922 Illinois U.S.A.
  • 3123373923 | +1 312-337-3923 Illinois U.S.A.
  • 3123373924 | +1 312-337-3924 Illinois U.S.A.
  • 3123373925 | +1 312-337-3925 Illinois U.S.A.
  • 3123373926 | +1 312-337-3926 Illinois U.S.A.
  • 3123373927 | +1 312-337-3927 Illinois U.S.A.
  • 3123373928 | +1 312-337-3928 Illinois U.S.A.
  • 3123373929 | +1 312-337-3929 Illinois U.S.A.
  • 3123373930 | +1 312-337-3930 Illinois U.S.A.
  • 3123373931 | +1 312-337-3931 Illinois U.S.A.
  • 3123373932 | +1 312-337-3932 Illinois U.S.A.
  • 3123373933 | +1 312-337-3933 Illinois U.S.A.
  • 3123373934 | +1 312-337-3934 Illinois U.S.A.
  • 3123373935 | +1 312-337-3935 Illinois U.S.A.
  • 3123373936 | +1 312-337-3936 Illinois U.S.A.
  • 3123373937 | +1 312-337-3937 Illinois U.S.A.
  • 3123373938 | +1 312-337-3938 Illinois U.S.A.
  • 3123373939 | +1 312-337-3939 Illinois U.S.A.
  • 3123373940 | +1 312-337-3940 Illinois U.S.A.
  • 3123373941 | +1 312-337-3941 Illinois U.S.A.
  • 3123373942 | +1 312-337-3942 Illinois U.S.A.
  • 3123373943 | +1 312-337-3943 Illinois U.S.A.
  • 3123373944 | +1 312-337-3944 Illinois U.S.A.
  • 3123373945 | +1 312-337-3945 Illinois U.S.A.
  • 3123373946 | +1 312-337-3946 Illinois U.S.A.
  • 3123373947 | +1 312-337-3947 Illinois U.S.A.
  • 3123373948 | +1 312-337-3948 Illinois U.S.A.
  • 3123373949 | +1 312-337-3949 Illinois U.S.A.
  • 3123373950 | +1 312-337-3950 Illinois U.S.A.
  • 3123373951 | +1 312-337-3951 Illinois U.S.A.
  • 3123373952 | +1 312-337-3952 Illinois U.S.A.
  • 3123373953 | +1 312-337-3953 Illinois U.S.A.
  • 3123373954 | +1 312-337-3954 Illinois U.S.A.
  • 3123373955 | +1 312-337-3955 Illinois U.S.A.
  • 3123373956 | +1 312-337-3956 Illinois U.S.A.
  • 3123373957 | +1 312-337-3957 Illinois U.S.A.
  • 3123373958 | +1 312-337-3958 Illinois U.S.A.
  • 3123373959 | +1 312-337-3959 Illinois U.S.A.
  • 3123373960 | +1 312-337-3960 Illinois U.S.A.
  • 3123373961 | +1 312-337-3961 Illinois U.S.A.
  • 3123373962 | +1 312-337-3962 Illinois U.S.A.
  • 3123373963 | +1 312-337-3963 Illinois U.S.A.
  • 3123373964 | +1 312-337-3964 Illinois U.S.A.
  • 3123373965 | +1 312-337-3965 Illinois U.S.A.
  • 3123373966 | +1 312-337-3966 Illinois U.S.A.
  • 3123373967 | +1 312-337-3967 Illinois U.S.A.
  • 3123373968 | +1 312-337-3968 Illinois U.S.A.
  • 3123373969 | +1 312-337-3969 Illinois U.S.A.
  • 3123373970 | +1 312-337-3970 Illinois U.S.A.
  • 3123373971 | +1 312-337-3971 Illinois U.S.A.
  • 3123373972 | +1 312-337-3972 Illinois U.S.A.
  • 3123373973 | +1 312-337-3973 Illinois U.S.A.
  • 3123373974 | +1 312-337-3974 Illinois U.S.A.
  • 3123373975 | +1 312-337-3975 Illinois U.S.A.
  • 3123373976 | +1 312-337-3976 Illinois U.S.A.
  • 3123373977 | +1 312-337-3977 Illinois U.S.A.
  • 3123373978 | +1 312-337-3978 Illinois U.S.A.
  • 3123373979 | +1 312-337-3979 Illinois U.S.A.
  • 3123373980 | +1 312-337-3980 Illinois U.S.A.
  • 3123373981 | +1 312-337-3981 Illinois U.S.A.
  • 3123373982 | +1 312-337-3982 Illinois U.S.A.
  • 3123373983 | +1 312-337-3983 Illinois U.S.A.
  • 3123373984 | +1 312-337-3984 Illinois U.S.A.
  • 3123373985 | +1 312-337-3985 Illinois U.S.A.
  • 3123373986 | +1 312-337-3986 Illinois U.S.A.
  • 3123373987 | +1 312-337-3987 Illinois U.S.A.
  • 3123373988 | +1 312-337-3988 Illinois U.S.A.
  • 3123373989 | +1 312-337-3989 Illinois U.S.A.
  • 3123373990 | +1 312-337-3990 Illinois U.S.A.
  • 3123373991 | +1 312-337-3991 Illinois U.S.A.
  • 3123373992 | +1 312-337-3992 Illinois U.S.A.
  • 3123373993 | +1 312-337-3993 Illinois U.S.A.
  • 3123373994 | +1 312-337-3994 Illinois U.S.A.
  • 3123373995 | +1 312-337-3995 Illinois U.S.A.
  • 3123373996 | +1 312-337-3996 Illinois U.S.A.
  • 3123373997 | +1 312-337-3997 Illinois U.S.A.
  • 3123373998 | +1 312-337-3998 Illinois U.S.A.
  • 3123373999 | +1 312-337-3999 Illinois U.S.A.