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).

  • 3127940000 | +1 312-794-0000 Illinois U.S.A.
  • 3127940001 | +1 312-794-0001 Illinois U.S.A.
  • 3127940002 | +1 312-794-0002 Illinois U.S.A.
  • 3127940003 | +1 312-794-0003 Illinois U.S.A.
  • 3127940004 | +1 312-794-0004 Illinois U.S.A.
  • 3127940005 | +1 312-794-0005 Illinois U.S.A.
  • 3127940006 | +1 312-794-0006 Illinois U.S.A.
  • 3127940007 | +1 312-794-0007 Illinois U.S.A.
  • 3127940008 | +1 312-794-0008 Illinois U.S.A.
  • 3127940009 | +1 312-794-0009 Illinois U.S.A.
  • 3127940010 | +1 312-794-0010 Illinois U.S.A.
  • 3127940011 | +1 312-794-0011 Illinois U.S.A.
  • 3127940012 | +1 312-794-0012 Illinois U.S.A.
  • 3127940013 | +1 312-794-0013 Illinois U.S.A.
  • 3127940014 | +1 312-794-0014 Illinois U.S.A.
  • 3127940015 | +1 312-794-0015 Illinois U.S.A.
  • 3127940016 | +1 312-794-0016 Illinois U.S.A.
  • 3127940017 | +1 312-794-0017 Illinois U.S.A.
  • 3127940018 | +1 312-794-0018 Illinois U.S.A.
  • 3127940019 | +1 312-794-0019 Illinois U.S.A.
  • 3127940020 | +1 312-794-0020 Illinois U.S.A.
  • 3127940021 | +1 312-794-0021 Illinois U.S.A.
  • 3127940022 | +1 312-794-0022 Illinois U.S.A.
  • 3127940023 | +1 312-794-0023 Illinois U.S.A.
  • 3127940024 | +1 312-794-0024 Illinois U.S.A.
  • 3127940025 | +1 312-794-0025 Illinois U.S.A.
  • 3127940026 | +1 312-794-0026 Illinois U.S.A.
  • 3127940027 | +1 312-794-0027 Illinois U.S.A.
  • 3127940028 | +1 312-794-0028 Illinois U.S.A.
  • 3127940029 | +1 312-794-0029 Illinois U.S.A.
  • 3127940030 | +1 312-794-0030 Illinois U.S.A.
  • 3127940031 | +1 312-794-0031 Illinois U.S.A.
  • 3127940032 | +1 312-794-0032 Illinois U.S.A.
  • 3127940033 | +1 312-794-0033 Illinois U.S.A.
  • 3127940034 | +1 312-794-0034 Illinois U.S.A.
  • 3127940035 | +1 312-794-0035 Illinois U.S.A.
  • 3127940036 | +1 312-794-0036 Illinois U.S.A.
  • 3127940037 | +1 312-794-0037 Illinois U.S.A.
  • 3127940038 | +1 312-794-0038 Illinois U.S.A.
  • 3127940039 | +1 312-794-0039 Illinois U.S.A.
  • 3127940040 | +1 312-794-0040 Illinois U.S.A.
  • 3127940041 | +1 312-794-0041 Illinois U.S.A.
  • 3127940042 | +1 312-794-0042 Illinois U.S.A.
  • 3127940043 | +1 312-794-0043 Illinois U.S.A.
  • 3127940044 | +1 312-794-0044 Illinois U.S.A.
  • 3127940045 | +1 312-794-0045 Illinois U.S.A.
  • 3127940046 | +1 312-794-0046 Illinois U.S.A.
  • 3127940047 | +1 312-794-0047 Illinois U.S.A.
  • 3127940048 | +1 312-794-0048 Illinois U.S.A.
  • 3127940049 | +1 312-794-0049 Illinois U.S.A.
  • 3127940050 | +1 312-794-0050 Illinois U.S.A.
  • 3127940051 | +1 312-794-0051 Illinois U.S.A.
  • 3127940052 | +1 312-794-0052 Illinois U.S.A.
  • 3127940053 | +1 312-794-0053 Illinois U.S.A.
  • 3127940054 | +1 312-794-0054 Illinois U.S.A.
  • 3127940055 | +1 312-794-0055 Illinois U.S.A.
  • 3127940056 | +1 312-794-0056 Illinois U.S.A.
  • 3127940057 | +1 312-794-0057 Illinois U.S.A.
  • 3127940058 | +1 312-794-0058 Illinois U.S.A.
  • 3127940059 | +1 312-794-0059 Illinois U.S.A.
  • 3127940060 | +1 312-794-0060 Illinois U.S.A.
  • 3127940061 | +1 312-794-0061 Illinois U.S.A.
  • 3127940062 | +1 312-794-0062 Illinois U.S.A.
  • 3127940063 | +1 312-794-0063 Illinois U.S.A.
  • 3127940064 | +1 312-794-0064 Illinois U.S.A.
  • 3127940065 | +1 312-794-0065 Illinois U.S.A.
  • 3127940066 | +1 312-794-0066 Illinois U.S.A.
  • 3127940067 | +1 312-794-0067 Illinois U.S.A.
  • 3127940068 | +1 312-794-0068 Illinois U.S.A.
  • 3127940069 | +1 312-794-0069 Illinois U.S.A.
  • 3127940070 | +1 312-794-0070 Illinois U.S.A.
  • 3127940071 | +1 312-794-0071 Illinois U.S.A.
  • 3127940072 | +1 312-794-0072 Illinois U.S.A.
  • 3127940073 | +1 312-794-0073 Illinois U.S.A.
  • 3127940074 | +1 312-794-0074 Illinois U.S.A.
  • 3127940075 | +1 312-794-0075 Illinois U.S.A.
  • 3127940076 | +1 312-794-0076 Illinois U.S.A.
  • 3127940077 | +1 312-794-0077 Illinois U.S.A.
  • 3127940078 | +1 312-794-0078 Illinois U.S.A.
  • 3127940079 | +1 312-794-0079 Illinois U.S.A.
  • 3127940080 | +1 312-794-0080 Illinois U.S.A.
  • 3127940081 | +1 312-794-0081 Illinois U.S.A.
  • 3127940082 | +1 312-794-0082 Illinois U.S.A.
  • 3127940083 | +1 312-794-0083 Illinois U.S.A.
  • 3127940084 | +1 312-794-0084 Illinois U.S.A.
  • 3127940085 | +1 312-794-0085 Illinois U.S.A.
  • 3127940086 | +1 312-794-0086 Illinois U.S.A.
  • 3127940087 | +1 312-794-0087 Illinois U.S.A.
  • 3127940088 | +1 312-794-0088 Illinois U.S.A.
  • 3127940089 | +1 312-794-0089 Illinois U.S.A.
  • 3127940090 | +1 312-794-0090 Illinois U.S.A.
  • 3127940091 | +1 312-794-0091 Illinois U.S.A.
  • 3127940092 | +1 312-794-0092 Illinois U.S.A.
  • 3127940093 | +1 312-794-0093 Illinois U.S.A.
  • 3127940094 | +1 312-794-0094 Illinois U.S.A.
  • 3127940095 | +1 312-794-0095 Illinois U.S.A.
  • 3127940096 | +1 312-794-0096 Illinois U.S.A.
  • 3127940097 | +1 312-794-0097 Illinois U.S.A.
  • 3127940098 | +1 312-794-0098 Illinois U.S.A.
  • 3127940099 | +1 312-794-0099 Illinois U.S.A.