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).

  • 3123809900 | +1 312-380-9900 Illinois U.S.A.
  • 3123809901 | +1 312-380-9901 Illinois U.S.A.
  • 3123809902 | +1 312-380-9902 Illinois U.S.A.
  • 3123809903 | +1 312-380-9903 Illinois U.S.A.
  • 3123809904 | +1 312-380-9904 Illinois U.S.A.
  • 3123809905 | +1 312-380-9905 Illinois U.S.A.
  • 3123809906 | +1 312-380-9906 Illinois U.S.A.
  • 3123809907 | +1 312-380-9907 Illinois U.S.A.
  • 3123809908 | +1 312-380-9908 Illinois U.S.A.
  • 3123809909 | +1 312-380-9909 Illinois U.S.A.
  • 3123809910 | +1 312-380-9910 Illinois U.S.A.
  • 3123809911 | +1 312-380-9911 Illinois U.S.A.
  • 3123809912 | +1 312-380-9912 Illinois U.S.A.
  • 3123809913 | +1 312-380-9913 Illinois U.S.A.
  • 3123809914 | +1 312-380-9914 Illinois U.S.A.
  • 3123809915 | +1 312-380-9915 Illinois U.S.A.
  • 3123809916 | +1 312-380-9916 Illinois U.S.A.
  • 3123809917 | +1 312-380-9917 Illinois U.S.A.
  • 3123809918 | +1 312-380-9918 Illinois U.S.A.
  • 3123809919 | +1 312-380-9919 Illinois U.S.A.
  • 3123809920 | +1 312-380-9920 Illinois U.S.A.
  • 3123809921 | +1 312-380-9921 Illinois U.S.A.
  • 3123809922 | +1 312-380-9922 Illinois U.S.A.
  • 3123809923 | +1 312-380-9923 Illinois U.S.A.
  • 3123809924 | +1 312-380-9924 Illinois U.S.A.
  • 3123809925 | +1 312-380-9925 Illinois U.S.A.
  • 3123809926 | +1 312-380-9926 Illinois U.S.A.
  • 3123809927 | +1 312-380-9927 Illinois U.S.A.
  • 3123809928 | +1 312-380-9928 Illinois U.S.A.
  • 3123809929 | +1 312-380-9929 Illinois U.S.A.
  • 3123809930 | +1 312-380-9930 Illinois U.S.A.
  • 3123809931 | +1 312-380-9931 Illinois U.S.A.
  • 3123809932 | +1 312-380-9932 Illinois U.S.A.
  • 3123809933 | +1 312-380-9933 Illinois U.S.A.
  • 3123809934 | +1 312-380-9934 Illinois U.S.A.
  • 3123809935 | +1 312-380-9935 Illinois U.S.A.
  • 3123809936 | +1 312-380-9936 Illinois U.S.A.
  • 3123809937 | +1 312-380-9937 Illinois U.S.A.
  • 3123809938 | +1 312-380-9938 Illinois U.S.A.
  • 3123809939 | +1 312-380-9939 Illinois U.S.A.
  • 3123809940 | +1 312-380-9940 Illinois U.S.A.
  • 3123809941 | +1 312-380-9941 Illinois U.S.A.
  • 3123809942 | +1 312-380-9942 Illinois U.S.A.
  • 3123809943 | +1 312-380-9943 Illinois U.S.A.
  • 3123809944 | +1 312-380-9944 Illinois U.S.A.
  • 3123809945 | +1 312-380-9945 Illinois U.S.A.
  • 3123809946 | +1 312-380-9946 Illinois U.S.A.
  • 3123809947 | +1 312-380-9947 Illinois U.S.A.
  • 3123809948 | +1 312-380-9948 Illinois U.S.A.
  • 3123809949 | +1 312-380-9949 Illinois U.S.A.
  • 3123809950 | +1 312-380-9950 Illinois U.S.A.
  • 3123809951 | +1 312-380-9951 Illinois U.S.A.
  • 3123809952 | +1 312-380-9952 Illinois U.S.A.
  • 3123809953 | +1 312-380-9953 Illinois U.S.A.
  • 3123809954 | +1 312-380-9954 Illinois U.S.A.
  • 3123809955 | +1 312-380-9955 Illinois U.S.A.
  • 3123809956 | +1 312-380-9956 Illinois U.S.A.
  • 3123809957 | +1 312-380-9957 Illinois U.S.A.
  • 3123809958 | +1 312-380-9958 Illinois U.S.A.
  • 3123809959 | +1 312-380-9959 Illinois U.S.A.
  • 3123809960 | +1 312-380-9960 Illinois U.S.A.
  • 3123809961 | +1 312-380-9961 Illinois U.S.A.
  • 3123809962 | +1 312-380-9962 Illinois U.S.A.
  • 3123809963 | +1 312-380-9963 Illinois U.S.A.
  • 3123809964 | +1 312-380-9964 Illinois U.S.A.
  • 3123809965 | +1 312-380-9965 Illinois U.S.A.
  • 3123809966 | +1 312-380-9966 Illinois U.S.A.
  • 3123809967 | +1 312-380-9967 Illinois U.S.A.
  • 3123809968 | +1 312-380-9968 Illinois U.S.A.
  • 3123809969 | +1 312-380-9969 Illinois U.S.A.
  • 3123809970 | +1 312-380-9970 Illinois U.S.A.
  • 3123809971 | +1 312-380-9971 Illinois U.S.A.
  • 3123809972 | +1 312-380-9972 Illinois U.S.A.
  • 3123809973 | +1 312-380-9973 Illinois U.S.A.
  • 3123809974 | +1 312-380-9974 Illinois U.S.A.
  • 3123809975 | +1 312-380-9975 Illinois U.S.A.
  • 3123809976 | +1 312-380-9976 Illinois U.S.A.
  • 3123809977 | +1 312-380-9977 Illinois U.S.A.
  • 3123809978 | +1 312-380-9978 Illinois U.S.A.
  • 3123809979 | +1 312-380-9979 Illinois U.S.A.
  • 3123809980 | +1 312-380-9980 Illinois U.S.A.
  • 3123809981 | +1 312-380-9981 Illinois U.S.A.
  • 3123809982 | +1 312-380-9982 Illinois U.S.A.
  • 3123809983 | +1 312-380-9983 Illinois U.S.A.
  • 3123809984 | +1 312-380-9984 Illinois U.S.A.
  • 3123809985 | +1 312-380-9985 Illinois U.S.A.
  • 3123809986 | +1 312-380-9986 Illinois U.S.A.
  • 3123809987 | +1 312-380-9987 Illinois U.S.A.
  • 3123809988 | +1 312-380-9988 Illinois U.S.A.
  • 3123809989 | +1 312-380-9989 Illinois U.S.A.
  • 3123809990 | +1 312-380-9990 Illinois U.S.A.
  • 3123809991 | +1 312-380-9991 Illinois U.S.A.
  • 3123809992 | +1 312-380-9992 Illinois U.S.A.
  • 3123809993 | +1 312-380-9993 Illinois U.S.A.
  • 3123809994 | +1 312-380-9994 Illinois U.S.A.
  • 3123809995 | +1 312-380-9995 Illinois U.S.A.
  • 3123809996 | +1 312-380-9996 Illinois U.S.A.
  • 3123809997 | +1 312-380-9997 Illinois U.S.A.
  • 3123809998 | +1 312-380-9998 Illinois U.S.A.
  • 3123809999 | +1 312-380-9999 Illinois U.S.A.