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).

  • 3129924900 | +1 312-992-4900 Illinois U.S.A.
  • 3129924901 | +1 312-992-4901 Illinois U.S.A.
  • 3129924902 | +1 312-992-4902 Illinois U.S.A.
  • 3129924903 | +1 312-992-4903 Illinois U.S.A.
  • 3129924904 | +1 312-992-4904 Illinois U.S.A.
  • 3129924905 | +1 312-992-4905 Illinois U.S.A.
  • 3129924906 | +1 312-992-4906 Illinois U.S.A.
  • 3129924907 | +1 312-992-4907 Illinois U.S.A.
  • 3129924908 | +1 312-992-4908 Illinois U.S.A.
  • 3129924909 | +1 312-992-4909 Illinois U.S.A.
  • 3129924910 | +1 312-992-4910 Illinois U.S.A.
  • 3129924911 | +1 312-992-4911 Illinois U.S.A.
  • 3129924912 | +1 312-992-4912 Illinois U.S.A.
  • 3129924913 | +1 312-992-4913 Illinois U.S.A.
  • 3129924914 | +1 312-992-4914 Illinois U.S.A.
  • 3129924915 | +1 312-992-4915 Illinois U.S.A.
  • 3129924916 | +1 312-992-4916 Illinois U.S.A.
  • 3129924917 | +1 312-992-4917 Illinois U.S.A.
  • 3129924918 | +1 312-992-4918 Illinois U.S.A.
  • 3129924919 | +1 312-992-4919 Illinois U.S.A.
  • 3129924920 | +1 312-992-4920 Illinois U.S.A.
  • 3129924921 | +1 312-992-4921 Illinois U.S.A.
  • 3129924922 | +1 312-992-4922 Illinois U.S.A.
  • 3129924923 | +1 312-992-4923 Illinois U.S.A.
  • 3129924924 | +1 312-992-4924 Illinois U.S.A.
  • 3129924925 | +1 312-992-4925 Illinois U.S.A.
  • 3129924926 | +1 312-992-4926 Illinois U.S.A.
  • 3129924927 | +1 312-992-4927 Illinois U.S.A.
  • 3129924928 | +1 312-992-4928 Illinois U.S.A.
  • 3129924929 | +1 312-992-4929 Illinois U.S.A.
  • 3129924930 | +1 312-992-4930 Illinois U.S.A.
  • 3129924931 | +1 312-992-4931 Illinois U.S.A.
  • 3129924932 | +1 312-992-4932 Illinois U.S.A.
  • 3129924933 | +1 312-992-4933 Illinois U.S.A.
  • 3129924934 | +1 312-992-4934 Illinois U.S.A.
  • 3129924935 | +1 312-992-4935 Illinois U.S.A.
  • 3129924936 | +1 312-992-4936 Illinois U.S.A.
  • 3129924937 | +1 312-992-4937 Illinois U.S.A.
  • 3129924938 | +1 312-992-4938 Illinois U.S.A.
  • 3129924939 | +1 312-992-4939 Illinois U.S.A.
  • 3129924940 | +1 312-992-4940 Illinois U.S.A.
  • 3129924941 | +1 312-992-4941 Illinois U.S.A.
  • 3129924942 | +1 312-992-4942 Illinois U.S.A.
  • 3129924943 | +1 312-992-4943 Illinois U.S.A.
  • 3129924944 | +1 312-992-4944 Illinois U.S.A.
  • 3129924945 | +1 312-992-4945 Illinois U.S.A.
  • 3129924946 | +1 312-992-4946 Illinois U.S.A.
  • 3129924947 | +1 312-992-4947 Illinois U.S.A.
  • 3129924948 | +1 312-992-4948 Illinois U.S.A.
  • 3129924949 | +1 312-992-4949 Illinois U.S.A.
  • 3129924950 | +1 312-992-4950 Illinois U.S.A.
  • 3129924951 | +1 312-992-4951 Illinois U.S.A.
  • 3129924952 | +1 312-992-4952 Illinois U.S.A.
  • 3129924953 | +1 312-992-4953 Illinois U.S.A.
  • 3129924954 | +1 312-992-4954 Illinois U.S.A.
  • 3129924955 | +1 312-992-4955 Illinois U.S.A.
  • 3129924956 | +1 312-992-4956 Illinois U.S.A.
  • 3129924957 | +1 312-992-4957 Illinois U.S.A.
  • 3129924958 | +1 312-992-4958 Illinois U.S.A.
  • 3129924959 | +1 312-992-4959 Illinois U.S.A.
  • 3129924960 | +1 312-992-4960 Illinois U.S.A.
  • 3129924961 | +1 312-992-4961 Illinois U.S.A.
  • 3129924962 | +1 312-992-4962 Illinois U.S.A.
  • 3129924963 | +1 312-992-4963 Illinois U.S.A.
  • 3129924964 | +1 312-992-4964 Illinois U.S.A.
  • 3129924965 | +1 312-992-4965 Illinois U.S.A.
  • 3129924966 | +1 312-992-4966 Illinois U.S.A.
  • 3129924967 | +1 312-992-4967 Illinois U.S.A.
  • 3129924968 | +1 312-992-4968 Illinois U.S.A.
  • 3129924969 | +1 312-992-4969 Illinois U.S.A.
  • 3129924970 | +1 312-992-4970 Illinois U.S.A.
  • 3129924971 | +1 312-992-4971 Illinois U.S.A.
  • 3129924972 | +1 312-992-4972 Illinois U.S.A.
  • 3129924973 | +1 312-992-4973 Illinois U.S.A.
  • 3129924974 | +1 312-992-4974 Illinois U.S.A.
  • 3129924975 | +1 312-992-4975 Illinois U.S.A.
  • 3129924976 | +1 312-992-4976 Illinois U.S.A.
  • 3129924977 | +1 312-992-4977 Illinois U.S.A.
  • 3129924978 | +1 312-992-4978 Illinois U.S.A.
  • 3129924979 | +1 312-992-4979 Illinois U.S.A.
  • 3129924980 | +1 312-992-4980 Illinois U.S.A.
  • 3129924981 | +1 312-992-4981 Illinois U.S.A.
  • 3129924982 | +1 312-992-4982 Illinois U.S.A.
  • 3129924983 | +1 312-992-4983 Illinois U.S.A.
  • 3129924984 | +1 312-992-4984 Illinois U.S.A.
  • 3129924985 | +1 312-992-4985 Illinois U.S.A.
  • 3129924986 | +1 312-992-4986 Illinois U.S.A.
  • 3129924987 | +1 312-992-4987 Illinois U.S.A.
  • 3129924988 | +1 312-992-4988 Illinois U.S.A.
  • 3129924989 | +1 312-992-4989 Illinois U.S.A.
  • 3129924990 | +1 312-992-4990 Illinois U.S.A.
  • 3129924991 | +1 312-992-4991 Illinois U.S.A.
  • 3129924992 | +1 312-992-4992 Illinois U.S.A.
  • 3129924993 | +1 312-992-4993 Illinois U.S.A.
  • 3129924994 | +1 312-992-4994 Illinois U.S.A.
  • 3129924995 | +1 312-992-4995 Illinois U.S.A.
  • 3129924996 | +1 312-992-4996 Illinois U.S.A.
  • 3129924997 | +1 312-992-4997 Illinois U.S.A.
  • 3129924998 | +1 312-992-4998 Illinois U.S.A.
  • 3129924999 | +1 312-992-4999 Illinois U.S.A.