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).

  • 3128505900 | +1 312-850-5900 Illinois U.S.A.
  • 3128505901 | +1 312-850-5901 Illinois U.S.A.
  • 3128505902 | +1 312-850-5902 Illinois U.S.A.
  • 3128505903 | +1 312-850-5903 Illinois U.S.A.
  • 3128505904 | +1 312-850-5904 Illinois U.S.A.
  • 3128505905 | +1 312-850-5905 Illinois U.S.A.
  • 3128505906 | +1 312-850-5906 Illinois U.S.A.
  • 3128505907 | +1 312-850-5907 Illinois U.S.A.
  • 3128505908 | +1 312-850-5908 Illinois U.S.A.
  • 3128505909 | +1 312-850-5909 Illinois U.S.A.
  • 3128505910 | +1 312-850-5910 Illinois U.S.A.
  • 3128505911 | +1 312-850-5911 Illinois U.S.A.
  • 3128505912 | +1 312-850-5912 Illinois U.S.A.
  • 3128505913 | +1 312-850-5913 Illinois U.S.A.
  • 3128505914 | +1 312-850-5914 Illinois U.S.A.
  • 3128505915 | +1 312-850-5915 Illinois U.S.A.
  • 3128505916 | +1 312-850-5916 Illinois U.S.A.
  • 3128505917 | +1 312-850-5917 Illinois U.S.A.
  • 3128505918 | +1 312-850-5918 Illinois U.S.A.
  • 3128505919 | +1 312-850-5919 Illinois U.S.A.
  • 3128505920 | +1 312-850-5920 Illinois U.S.A.
  • 3128505921 | +1 312-850-5921 Illinois U.S.A.
  • 3128505922 | +1 312-850-5922 Illinois U.S.A.
  • 3128505923 | +1 312-850-5923 Illinois U.S.A.
  • 3128505924 | +1 312-850-5924 Illinois U.S.A.
  • 3128505925 | +1 312-850-5925 Illinois U.S.A.
  • 3128505926 | +1 312-850-5926 Illinois U.S.A.
  • 3128505927 | +1 312-850-5927 Illinois U.S.A.
  • 3128505928 | +1 312-850-5928 Illinois U.S.A.
  • 3128505929 | +1 312-850-5929 Illinois U.S.A.
  • 3128505930 | +1 312-850-5930 Illinois U.S.A.
  • 3128505931 | +1 312-850-5931 Illinois U.S.A.
  • 3128505932 | +1 312-850-5932 Illinois U.S.A.
  • 3128505933 | +1 312-850-5933 Illinois U.S.A.
  • 3128505934 | +1 312-850-5934 Illinois U.S.A.
  • 3128505935 | +1 312-850-5935 Illinois U.S.A.
  • 3128505936 | +1 312-850-5936 Illinois U.S.A.
  • 3128505937 | +1 312-850-5937 Illinois U.S.A.
  • 3128505938 | +1 312-850-5938 Illinois U.S.A.
  • 3128505939 | +1 312-850-5939 Illinois U.S.A.
  • 3128505940 | +1 312-850-5940 Illinois U.S.A.
  • 3128505941 | +1 312-850-5941 Illinois U.S.A.
  • 3128505942 | +1 312-850-5942 Illinois U.S.A.
  • 3128505943 | +1 312-850-5943 Illinois U.S.A.
  • 3128505944 | +1 312-850-5944 Illinois U.S.A.
  • 3128505945 | +1 312-850-5945 Illinois U.S.A.
  • 3128505946 | +1 312-850-5946 Illinois U.S.A.
  • 3128505947 | +1 312-850-5947 Illinois U.S.A.
  • 3128505948 | +1 312-850-5948 Illinois U.S.A.
  • 3128505949 | +1 312-850-5949 Illinois U.S.A.
  • 3128505950 | +1 312-850-5950 Illinois U.S.A.
  • 3128505951 | +1 312-850-5951 Illinois U.S.A.
  • 3128505952 | +1 312-850-5952 Illinois U.S.A.
  • 3128505953 | +1 312-850-5953 Illinois U.S.A.
  • 3128505954 | +1 312-850-5954 Illinois U.S.A.
  • 3128505955 | +1 312-850-5955 Illinois U.S.A.
  • 3128505956 | +1 312-850-5956 Illinois U.S.A.
  • 3128505957 | +1 312-850-5957 Illinois U.S.A.
  • 3128505958 | +1 312-850-5958 Illinois U.S.A.
  • 3128505959 | +1 312-850-5959 Illinois U.S.A.
  • 3128505960 | +1 312-850-5960 Illinois U.S.A.
  • 3128505961 | +1 312-850-5961 Illinois U.S.A.
  • 3128505962 | +1 312-850-5962 Illinois U.S.A.
  • 3128505963 | +1 312-850-5963 Illinois U.S.A.
  • 3128505964 | +1 312-850-5964 Illinois U.S.A.
  • 3128505965 | +1 312-850-5965 Illinois U.S.A.
  • 3128505966 | +1 312-850-5966 Illinois U.S.A.
  • 3128505967 | +1 312-850-5967 Illinois U.S.A.
  • 3128505968 | +1 312-850-5968 Illinois U.S.A.
  • 3128505969 | +1 312-850-5969 Illinois U.S.A.
  • 3128505970 | +1 312-850-5970 Illinois U.S.A.
  • 3128505971 | +1 312-850-5971 Illinois U.S.A.
  • 3128505972 | +1 312-850-5972 Illinois U.S.A.
  • 3128505973 | +1 312-850-5973 Illinois U.S.A.
  • 3128505974 | +1 312-850-5974 Illinois U.S.A.
  • 3128505975 | +1 312-850-5975 Illinois U.S.A.
  • 3128505976 | +1 312-850-5976 Illinois U.S.A.
  • 3128505977 | +1 312-850-5977 Illinois U.S.A.
  • 3128505978 | +1 312-850-5978 Illinois U.S.A.
  • 3128505979 | +1 312-850-5979 Illinois U.S.A.
  • 3128505980 | +1 312-850-5980 Illinois U.S.A.
  • 3128505981 | +1 312-850-5981 Illinois U.S.A.
  • 3128505982 | +1 312-850-5982 Illinois U.S.A.
  • 3128505983 | +1 312-850-5983 Illinois U.S.A.
  • 3128505984 | +1 312-850-5984 Illinois U.S.A.
  • 3128505985 | +1 312-850-5985 Illinois U.S.A.
  • 3128505986 | +1 312-850-5986 Illinois U.S.A.
  • 3128505987 | +1 312-850-5987 Illinois U.S.A.
  • 3128505988 | +1 312-850-5988 Illinois U.S.A.
  • 3128505989 | +1 312-850-5989 Illinois U.S.A.
  • 3128505990 | +1 312-850-5990 Illinois U.S.A.
  • 3128505991 | +1 312-850-5991 Illinois U.S.A.
  • 3128505992 | +1 312-850-5992 Illinois U.S.A.
  • 3128505993 | +1 312-850-5993 Illinois U.S.A.
  • 3128505994 | +1 312-850-5994 Illinois U.S.A.
  • 3128505995 | +1 312-850-5995 Illinois U.S.A.
  • 3128505996 | +1 312-850-5996 Illinois U.S.A.
  • 3128505997 | +1 312-850-5997 Illinois U.S.A.
  • 3128505998 | +1 312-850-5998 Illinois U.S.A.
  • 3128505999 | +1 312-850-5999 Illinois U.S.A.