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).

  • 3128508900 | +1 312-850-8900 Illinois U.S.A.
  • 3128508901 | +1 312-850-8901 Illinois U.S.A.
  • 3128508902 | +1 312-850-8902 Illinois U.S.A.
  • 3128508903 | +1 312-850-8903 Illinois U.S.A.
  • 3128508904 | +1 312-850-8904 Illinois U.S.A.
  • 3128508905 | +1 312-850-8905 Illinois U.S.A.
  • 3128508906 | +1 312-850-8906 Illinois U.S.A.
  • 3128508907 | +1 312-850-8907 Illinois U.S.A.
  • 3128508908 | +1 312-850-8908 Illinois U.S.A.
  • 3128508909 | +1 312-850-8909 Illinois U.S.A.
  • 3128508910 | +1 312-850-8910 Illinois U.S.A.
  • 3128508911 | +1 312-850-8911 Illinois U.S.A.
  • 3128508912 | +1 312-850-8912 Illinois U.S.A.
  • 3128508913 | +1 312-850-8913 Illinois U.S.A.
  • 3128508914 | +1 312-850-8914 Illinois U.S.A.
  • 3128508915 | +1 312-850-8915 Illinois U.S.A.
  • 3128508916 | +1 312-850-8916 Illinois U.S.A.
  • 3128508917 | +1 312-850-8917 Illinois U.S.A.
  • 3128508918 | +1 312-850-8918 Illinois U.S.A.
  • 3128508919 | +1 312-850-8919 Illinois U.S.A.
  • 3128508920 | +1 312-850-8920 Illinois U.S.A.
  • 3128508921 | +1 312-850-8921 Illinois U.S.A.
  • 3128508922 | +1 312-850-8922 Illinois U.S.A.
  • 3128508923 | +1 312-850-8923 Illinois U.S.A.
  • 3128508924 | +1 312-850-8924 Illinois U.S.A.
  • 3128508925 | +1 312-850-8925 Illinois U.S.A.
  • 3128508926 | +1 312-850-8926 Illinois U.S.A.
  • 3128508927 | +1 312-850-8927 Illinois U.S.A.
  • 3128508928 | +1 312-850-8928 Illinois U.S.A.
  • 3128508929 | +1 312-850-8929 Illinois U.S.A.
  • 3128508930 | +1 312-850-8930 Illinois U.S.A.
  • 3128508931 | +1 312-850-8931 Illinois U.S.A.
  • 3128508932 | +1 312-850-8932 Illinois U.S.A.
  • 3128508933 | +1 312-850-8933 Illinois U.S.A.
  • 3128508934 | +1 312-850-8934 Illinois U.S.A.
  • 3128508935 | +1 312-850-8935 Illinois U.S.A.
  • 3128508936 | +1 312-850-8936 Illinois U.S.A.
  • 3128508937 | +1 312-850-8937 Illinois U.S.A.
  • 3128508938 | +1 312-850-8938 Illinois U.S.A.
  • 3128508939 | +1 312-850-8939 Illinois U.S.A.
  • 3128508940 | +1 312-850-8940 Illinois U.S.A.
  • 3128508941 | +1 312-850-8941 Illinois U.S.A.
  • 3128508942 | +1 312-850-8942 Illinois U.S.A.
  • 3128508943 | +1 312-850-8943 Illinois U.S.A.
  • 3128508944 | +1 312-850-8944 Illinois U.S.A.
  • 3128508945 | +1 312-850-8945 Illinois U.S.A.
  • 3128508946 | +1 312-850-8946 Illinois U.S.A.
  • 3128508947 | +1 312-850-8947 Illinois U.S.A.
  • 3128508948 | +1 312-850-8948 Illinois U.S.A.
  • 3128508949 | +1 312-850-8949 Illinois U.S.A.
  • 3128508950 | +1 312-850-8950 Illinois U.S.A.
  • 3128508951 | +1 312-850-8951 Illinois U.S.A.
  • 3128508952 | +1 312-850-8952 Illinois U.S.A.
  • 3128508953 | +1 312-850-8953 Illinois U.S.A.
  • 3128508954 | +1 312-850-8954 Illinois U.S.A.
  • 3128508955 | +1 312-850-8955 Illinois U.S.A.
  • 3128508956 | +1 312-850-8956 Illinois U.S.A.
  • 3128508957 | +1 312-850-8957 Illinois U.S.A.
  • 3128508958 | +1 312-850-8958 Illinois U.S.A.
  • 3128508959 | +1 312-850-8959 Illinois U.S.A.
  • 3128508960 | +1 312-850-8960 Illinois U.S.A.
  • 3128508961 | +1 312-850-8961 Illinois U.S.A.
  • 3128508962 | +1 312-850-8962 Illinois U.S.A.
  • 3128508963 | +1 312-850-8963 Illinois U.S.A.
  • 3128508964 | +1 312-850-8964 Illinois U.S.A.
  • 3128508965 | +1 312-850-8965 Illinois U.S.A.
  • 3128508966 | +1 312-850-8966 Illinois U.S.A.
  • 3128508967 | +1 312-850-8967 Illinois U.S.A.
  • 3128508968 | +1 312-850-8968 Illinois U.S.A.
  • 3128508969 | +1 312-850-8969 Illinois U.S.A.
  • 3128508970 | +1 312-850-8970 Illinois U.S.A.
  • 3128508971 | +1 312-850-8971 Illinois U.S.A.
  • 3128508972 | +1 312-850-8972 Illinois U.S.A.
  • 3128508973 | +1 312-850-8973 Illinois U.S.A.
  • 3128508974 | +1 312-850-8974 Illinois U.S.A.
  • 3128508975 | +1 312-850-8975 Illinois U.S.A.
  • 3128508976 | +1 312-850-8976 Illinois U.S.A.
  • 3128508977 | +1 312-850-8977 Illinois U.S.A.
  • 3128508978 | +1 312-850-8978 Illinois U.S.A.
  • 3128508979 | +1 312-850-8979 Illinois U.S.A.
  • 3128508980 | +1 312-850-8980 Illinois U.S.A.
  • 3128508981 | +1 312-850-8981 Illinois U.S.A.
  • 3128508982 | +1 312-850-8982 Illinois U.S.A.
  • 3128508983 | +1 312-850-8983 Illinois U.S.A.
  • 3128508984 | +1 312-850-8984 Illinois U.S.A.
  • 3128508985 | +1 312-850-8985 Illinois U.S.A.
  • 3128508986 | +1 312-850-8986 Illinois U.S.A.
  • 3128508987 | +1 312-850-8987 Illinois U.S.A.
  • 3128508988 | +1 312-850-8988 Illinois U.S.A.
  • 3128508989 | +1 312-850-8989 Illinois U.S.A.
  • 3128508990 | +1 312-850-8990 Illinois U.S.A.
  • 3128508991 | +1 312-850-8991 Illinois U.S.A.
  • 3128508992 | +1 312-850-8992 Illinois U.S.A.
  • 3128508993 | +1 312-850-8993 Illinois U.S.A.
  • 3128508994 | +1 312-850-8994 Illinois U.S.A.
  • 3128508995 | +1 312-850-8995 Illinois U.S.A.
  • 3128508996 | +1 312-850-8996 Illinois U.S.A.
  • 3128508997 | +1 312-850-8997 Illinois U.S.A.
  • 3128508998 | +1 312-850-8998 Illinois U.S.A.
  • 3128508999 | +1 312-850-8999 Illinois U.S.A.