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).

  • 3129218900 | +1 312-921-8900 Illinois U.S.A.
  • 3129218901 | +1 312-921-8901 Illinois U.S.A.
  • 3129218902 | +1 312-921-8902 Illinois U.S.A.
  • 3129218903 | +1 312-921-8903 Illinois U.S.A.
  • 3129218904 | +1 312-921-8904 Illinois U.S.A.
  • 3129218905 | +1 312-921-8905 Illinois U.S.A.
  • 3129218906 | +1 312-921-8906 Illinois U.S.A.
  • 3129218907 | +1 312-921-8907 Illinois U.S.A.
  • 3129218908 | +1 312-921-8908 Illinois U.S.A.
  • 3129218909 | +1 312-921-8909 Illinois U.S.A.
  • 3129218910 | +1 312-921-8910 Illinois U.S.A.
  • 3129218911 | +1 312-921-8911 Illinois U.S.A.
  • 3129218912 | +1 312-921-8912 Illinois U.S.A.
  • 3129218913 | +1 312-921-8913 Illinois U.S.A.
  • 3129218914 | +1 312-921-8914 Illinois U.S.A.
  • 3129218915 | +1 312-921-8915 Illinois U.S.A.
  • 3129218916 | +1 312-921-8916 Illinois U.S.A.
  • 3129218917 | +1 312-921-8917 Illinois U.S.A.
  • 3129218918 | +1 312-921-8918 Illinois U.S.A.
  • 3129218919 | +1 312-921-8919 Illinois U.S.A.
  • 3129218920 | +1 312-921-8920 Illinois U.S.A.
  • 3129218921 | +1 312-921-8921 Illinois U.S.A.
  • 3129218922 | +1 312-921-8922 Illinois U.S.A.
  • 3129218923 | +1 312-921-8923 Illinois U.S.A.
  • 3129218924 | +1 312-921-8924 Illinois U.S.A.
  • 3129218925 | +1 312-921-8925 Illinois U.S.A.
  • 3129218926 | +1 312-921-8926 Illinois U.S.A.
  • 3129218927 | +1 312-921-8927 Illinois U.S.A.
  • 3129218928 | +1 312-921-8928 Illinois U.S.A.
  • 3129218929 | +1 312-921-8929 Illinois U.S.A.
  • 3129218930 | +1 312-921-8930 Illinois U.S.A.
  • 3129218931 | +1 312-921-8931 Illinois U.S.A.
  • 3129218932 | +1 312-921-8932 Illinois U.S.A.
  • 3129218933 | +1 312-921-8933 Illinois U.S.A.
  • 3129218934 | +1 312-921-8934 Illinois U.S.A.
  • 3129218935 | +1 312-921-8935 Illinois U.S.A.
  • 3129218936 | +1 312-921-8936 Illinois U.S.A.
  • 3129218937 | +1 312-921-8937 Illinois U.S.A.
  • 3129218938 | +1 312-921-8938 Illinois U.S.A.
  • 3129218939 | +1 312-921-8939 Illinois U.S.A.
  • 3129218940 | +1 312-921-8940 Illinois U.S.A.
  • 3129218941 | +1 312-921-8941 Illinois U.S.A.
  • 3129218942 | +1 312-921-8942 Illinois U.S.A.
  • 3129218943 | +1 312-921-8943 Illinois U.S.A.
  • 3129218944 | +1 312-921-8944 Illinois U.S.A.
  • 3129218945 | +1 312-921-8945 Illinois U.S.A.
  • 3129218946 | +1 312-921-8946 Illinois U.S.A.
  • 3129218947 | +1 312-921-8947 Illinois U.S.A.
  • 3129218948 | +1 312-921-8948 Illinois U.S.A.
  • 3129218949 | +1 312-921-8949 Illinois U.S.A.
  • 3129218950 | +1 312-921-8950 Illinois U.S.A.
  • 3129218951 | +1 312-921-8951 Illinois U.S.A.
  • 3129218952 | +1 312-921-8952 Illinois U.S.A.
  • 3129218953 | +1 312-921-8953 Illinois U.S.A.
  • 3129218954 | +1 312-921-8954 Illinois U.S.A.
  • 3129218955 | +1 312-921-8955 Illinois U.S.A.
  • 3129218956 | +1 312-921-8956 Illinois U.S.A.
  • 3129218957 | +1 312-921-8957 Illinois U.S.A.
  • 3129218958 | +1 312-921-8958 Illinois U.S.A.
  • 3129218959 | +1 312-921-8959 Illinois U.S.A.
  • 3129218960 | +1 312-921-8960 Illinois U.S.A.
  • 3129218961 | +1 312-921-8961 Illinois U.S.A.
  • 3129218962 | +1 312-921-8962 Illinois U.S.A.
  • 3129218963 | +1 312-921-8963 Illinois U.S.A.
  • 3129218964 | +1 312-921-8964 Illinois U.S.A.
  • 3129218965 | +1 312-921-8965 Illinois U.S.A.
  • 3129218966 | +1 312-921-8966 Illinois U.S.A.
  • 3129218967 | +1 312-921-8967 Illinois U.S.A.
  • 3129218968 | +1 312-921-8968 Illinois U.S.A.
  • 3129218969 | +1 312-921-8969 Illinois U.S.A.
  • 3129218970 | +1 312-921-8970 Illinois U.S.A.
  • 3129218971 | +1 312-921-8971 Illinois U.S.A.
  • 3129218972 | +1 312-921-8972 Illinois U.S.A.
  • 3129218973 | +1 312-921-8973 Illinois U.S.A.
  • 3129218974 | +1 312-921-8974 Illinois U.S.A.
  • 3129218975 | +1 312-921-8975 Illinois U.S.A.
  • 3129218976 | +1 312-921-8976 Illinois U.S.A.
  • 3129218977 | +1 312-921-8977 Illinois U.S.A.
  • 3129218978 | +1 312-921-8978 Illinois U.S.A.
  • 3129218979 | +1 312-921-8979 Illinois U.S.A.
  • 3129218980 | +1 312-921-8980 Illinois U.S.A.
  • 3129218981 | +1 312-921-8981 Illinois U.S.A.
  • 3129218982 | +1 312-921-8982 Illinois U.S.A.
  • 3129218983 | +1 312-921-8983 Illinois U.S.A.
  • 3129218984 | +1 312-921-8984 Illinois U.S.A.
  • 3129218985 | +1 312-921-8985 Illinois U.S.A.
  • 3129218986 | +1 312-921-8986 Illinois U.S.A.
  • 3129218987 | +1 312-921-8987 Illinois U.S.A.
  • 3129218988 | +1 312-921-8988 Illinois U.S.A.
  • 3129218989 | +1 312-921-8989 Illinois U.S.A.
  • 3129218990 | +1 312-921-8990 Illinois U.S.A.
  • 3129218991 | +1 312-921-8991 Illinois U.S.A.
  • 3129218992 | +1 312-921-8992 Illinois U.S.A.
  • 3129218993 | +1 312-921-8993 Illinois U.S.A.
  • 3129218994 | +1 312-921-8994 Illinois U.S.A.
  • 3129218995 | +1 312-921-8995 Illinois U.S.A.
  • 3129218996 | +1 312-921-8996 Illinois U.S.A.
  • 3129218997 | +1 312-921-8997 Illinois U.S.A.
  • 3129218998 | +1 312-921-8998 Illinois U.S.A.
  • 3129218999 | +1 312-921-8999 Illinois U.S.A.