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).

  • 3123345900 | +1 312-334-5900 Illinois U.S.A.
  • 3123345901 | +1 312-334-5901 Illinois U.S.A.
  • 3123345902 | +1 312-334-5902 Illinois U.S.A.
  • 3123345903 | +1 312-334-5903 Illinois U.S.A.
  • 3123345904 | +1 312-334-5904 Illinois U.S.A.
  • 3123345905 | +1 312-334-5905 Illinois U.S.A.
  • 3123345906 | +1 312-334-5906 Illinois U.S.A.
  • 3123345907 | +1 312-334-5907 Illinois U.S.A.
  • 3123345908 | +1 312-334-5908 Illinois U.S.A.
  • 3123345909 | +1 312-334-5909 Illinois U.S.A.
  • 3123345910 | +1 312-334-5910 Illinois U.S.A.
  • 3123345911 | +1 312-334-5911 Illinois U.S.A.
  • 3123345912 | +1 312-334-5912 Illinois U.S.A.
  • 3123345913 | +1 312-334-5913 Illinois U.S.A.
  • 3123345914 | +1 312-334-5914 Illinois U.S.A.
  • 3123345915 | +1 312-334-5915 Illinois U.S.A.
  • 3123345916 | +1 312-334-5916 Illinois U.S.A.
  • 3123345917 | +1 312-334-5917 Illinois U.S.A.
  • 3123345918 | +1 312-334-5918 Illinois U.S.A.
  • 3123345919 | +1 312-334-5919 Illinois U.S.A.
  • 3123345920 | +1 312-334-5920 Illinois U.S.A.
  • 3123345921 | +1 312-334-5921 Illinois U.S.A.
  • 3123345922 | +1 312-334-5922 Illinois U.S.A.
  • 3123345923 | +1 312-334-5923 Illinois U.S.A.
  • 3123345924 | +1 312-334-5924 Illinois U.S.A.
  • 3123345925 | +1 312-334-5925 Illinois U.S.A.
  • 3123345926 | +1 312-334-5926 Illinois U.S.A.
  • 3123345927 | +1 312-334-5927 Illinois U.S.A.
  • 3123345928 | +1 312-334-5928 Illinois U.S.A.
  • 3123345929 | +1 312-334-5929 Illinois U.S.A.
  • 3123345930 | +1 312-334-5930 Illinois U.S.A.
  • 3123345931 | +1 312-334-5931 Illinois U.S.A.
  • 3123345932 | +1 312-334-5932 Illinois U.S.A.
  • 3123345933 | +1 312-334-5933 Illinois U.S.A.
  • 3123345934 | +1 312-334-5934 Illinois U.S.A.
  • 3123345935 | +1 312-334-5935 Illinois U.S.A.
  • 3123345936 | +1 312-334-5936 Illinois U.S.A.
  • 3123345937 | +1 312-334-5937 Illinois U.S.A.
  • 3123345938 | +1 312-334-5938 Illinois U.S.A.
  • 3123345939 | +1 312-334-5939 Illinois U.S.A.
  • 3123345940 | +1 312-334-5940 Illinois U.S.A.
  • 3123345941 | +1 312-334-5941 Illinois U.S.A.
  • 3123345942 | +1 312-334-5942 Illinois U.S.A.
  • 3123345943 | +1 312-334-5943 Illinois U.S.A.
  • 3123345944 | +1 312-334-5944 Illinois U.S.A.
  • 3123345945 | +1 312-334-5945 Illinois U.S.A.
  • 3123345946 | +1 312-334-5946 Illinois U.S.A.
  • 3123345947 | +1 312-334-5947 Illinois U.S.A.
  • 3123345948 | +1 312-334-5948 Illinois U.S.A.
  • 3123345949 | +1 312-334-5949 Illinois U.S.A.
  • 3123345950 | +1 312-334-5950 Illinois U.S.A.
  • 3123345951 | +1 312-334-5951 Illinois U.S.A.
  • 3123345952 | +1 312-334-5952 Illinois U.S.A.
  • 3123345953 | +1 312-334-5953 Illinois U.S.A.
  • 3123345954 | +1 312-334-5954 Illinois U.S.A.
  • 3123345955 | +1 312-334-5955 Illinois U.S.A.
  • 3123345956 | +1 312-334-5956 Illinois U.S.A.
  • 3123345957 | +1 312-334-5957 Illinois U.S.A.
  • 3123345958 | +1 312-334-5958 Illinois U.S.A.
  • 3123345959 | +1 312-334-5959 Illinois U.S.A.
  • 3123345960 | +1 312-334-5960 Illinois U.S.A.
  • 3123345961 | +1 312-334-5961 Illinois U.S.A.
  • 3123345962 | +1 312-334-5962 Illinois U.S.A.
  • 3123345963 | +1 312-334-5963 Illinois U.S.A.
  • 3123345964 | +1 312-334-5964 Illinois U.S.A.
  • 3123345965 | +1 312-334-5965 Illinois U.S.A.
  • 3123345966 | +1 312-334-5966 Illinois U.S.A.
  • 3123345967 | +1 312-334-5967 Illinois U.S.A.
  • 3123345968 | +1 312-334-5968 Illinois U.S.A.
  • 3123345969 | +1 312-334-5969 Illinois U.S.A.
  • 3123345970 | +1 312-334-5970 Illinois U.S.A.
  • 3123345971 | +1 312-334-5971 Illinois U.S.A.
  • 3123345972 | +1 312-334-5972 Illinois U.S.A.
  • 3123345973 | +1 312-334-5973 Illinois U.S.A.
  • 3123345974 | +1 312-334-5974 Illinois U.S.A.
  • 3123345975 | +1 312-334-5975 Illinois U.S.A.
  • 3123345976 | +1 312-334-5976 Illinois U.S.A.
  • 3123345977 | +1 312-334-5977 Illinois U.S.A.
  • 3123345978 | +1 312-334-5978 Illinois U.S.A.
  • 3123345979 | +1 312-334-5979 Illinois U.S.A.
  • 3123345980 | +1 312-334-5980 Illinois U.S.A.
  • 3123345981 | +1 312-334-5981 Illinois U.S.A.
  • 3123345982 | +1 312-334-5982 Illinois U.S.A.
  • 3123345983 | +1 312-334-5983 Illinois U.S.A.
  • 3123345984 | +1 312-334-5984 Illinois U.S.A.
  • 3123345985 | +1 312-334-5985 Illinois U.S.A.
  • 3123345986 | +1 312-334-5986 Illinois U.S.A.
  • 3123345987 | +1 312-334-5987 Illinois U.S.A.
  • 3123345988 | +1 312-334-5988 Illinois U.S.A.
  • 3123345989 | +1 312-334-5989 Illinois U.S.A.
  • 3123345990 | +1 312-334-5990 Illinois U.S.A.
  • 3123345991 | +1 312-334-5991 Illinois U.S.A.
  • 3123345992 | +1 312-334-5992 Illinois U.S.A.
  • 3123345993 | +1 312-334-5993 Illinois U.S.A.
  • 3123345994 | +1 312-334-5994 Illinois U.S.A.
  • 3123345995 | +1 312-334-5995 Illinois U.S.A.
  • 3123345996 | +1 312-334-5996 Illinois U.S.A.
  • 3123345997 | +1 312-334-5997 Illinois U.S.A.
  • 3123345998 | +1 312-334-5998 Illinois U.S.A.
  • 3123345999 | +1 312-334-5999 Illinois U.S.A.