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).

  • 3127970000 | +1 312-797-0000 Illinois U.S.A.
  • 3127970001 | +1 312-797-0001 Illinois U.S.A.
  • 3127970002 | +1 312-797-0002 Illinois U.S.A.
  • 3127970003 | +1 312-797-0003 Illinois U.S.A.
  • 3127970004 | +1 312-797-0004 Illinois U.S.A.
  • 3127970005 | +1 312-797-0005 Illinois U.S.A.
  • 3127970006 | +1 312-797-0006 Illinois U.S.A.
  • 3127970007 | +1 312-797-0007 Illinois U.S.A.
  • 3127970008 | +1 312-797-0008 Illinois U.S.A.
  • 3127970009 | +1 312-797-0009 Illinois U.S.A.
  • 3127970010 | +1 312-797-0010 Illinois U.S.A.
  • 3127970011 | +1 312-797-0011 Illinois U.S.A.
  • 3127970012 | +1 312-797-0012 Illinois U.S.A.
  • 3127970013 | +1 312-797-0013 Illinois U.S.A.
  • 3127970014 | +1 312-797-0014 Illinois U.S.A.
  • 3127970015 | +1 312-797-0015 Illinois U.S.A.
  • 3127970016 | +1 312-797-0016 Illinois U.S.A.
  • 3127970017 | +1 312-797-0017 Illinois U.S.A.
  • 3127970018 | +1 312-797-0018 Illinois U.S.A.
  • 3127970019 | +1 312-797-0019 Illinois U.S.A.
  • 3127970020 | +1 312-797-0020 Illinois U.S.A.
  • 3127970021 | +1 312-797-0021 Illinois U.S.A.
  • 3127970022 | +1 312-797-0022 Illinois U.S.A.
  • 3127970023 | +1 312-797-0023 Illinois U.S.A.
  • 3127970024 | +1 312-797-0024 Illinois U.S.A.
  • 3127970025 | +1 312-797-0025 Illinois U.S.A.
  • 3127970026 | +1 312-797-0026 Illinois U.S.A.
  • 3127970027 | +1 312-797-0027 Illinois U.S.A.
  • 3127970028 | +1 312-797-0028 Illinois U.S.A.
  • 3127970029 | +1 312-797-0029 Illinois U.S.A.
  • 3127970030 | +1 312-797-0030 Illinois U.S.A.
  • 3127970031 | +1 312-797-0031 Illinois U.S.A.
  • 3127970032 | +1 312-797-0032 Illinois U.S.A.
  • 3127970033 | +1 312-797-0033 Illinois U.S.A.
  • 3127970034 | +1 312-797-0034 Illinois U.S.A.
  • 3127970035 | +1 312-797-0035 Illinois U.S.A.
  • 3127970036 | +1 312-797-0036 Illinois U.S.A.
  • 3127970037 | +1 312-797-0037 Illinois U.S.A.
  • 3127970038 | +1 312-797-0038 Illinois U.S.A.
  • 3127970039 | +1 312-797-0039 Illinois U.S.A.
  • 3127970040 | +1 312-797-0040 Illinois U.S.A.
  • 3127970041 | +1 312-797-0041 Illinois U.S.A.
  • 3127970042 | +1 312-797-0042 Illinois U.S.A.
  • 3127970043 | +1 312-797-0043 Illinois U.S.A.
  • 3127970044 | +1 312-797-0044 Illinois U.S.A.
  • 3127970045 | +1 312-797-0045 Illinois U.S.A.
  • 3127970046 | +1 312-797-0046 Illinois U.S.A.
  • 3127970047 | +1 312-797-0047 Illinois U.S.A.
  • 3127970048 | +1 312-797-0048 Illinois U.S.A.
  • 3127970049 | +1 312-797-0049 Illinois U.S.A.
  • 3127970050 | +1 312-797-0050 Illinois U.S.A.
  • 3127970051 | +1 312-797-0051 Illinois U.S.A.
  • 3127970052 | +1 312-797-0052 Illinois U.S.A.
  • 3127970053 | +1 312-797-0053 Illinois U.S.A.
  • 3127970054 | +1 312-797-0054 Illinois U.S.A.
  • 3127970055 | +1 312-797-0055 Illinois U.S.A.
  • 3127970056 | +1 312-797-0056 Illinois U.S.A.
  • 3127970057 | +1 312-797-0057 Illinois U.S.A.
  • 3127970058 | +1 312-797-0058 Illinois U.S.A.
  • 3127970059 | +1 312-797-0059 Illinois U.S.A.
  • 3127970060 | +1 312-797-0060 Illinois U.S.A.
  • 3127970061 | +1 312-797-0061 Illinois U.S.A.
  • 3127970062 | +1 312-797-0062 Illinois U.S.A.
  • 3127970063 | +1 312-797-0063 Illinois U.S.A.
  • 3127970064 | +1 312-797-0064 Illinois U.S.A.
  • 3127970065 | +1 312-797-0065 Illinois U.S.A.
  • 3127970066 | +1 312-797-0066 Illinois U.S.A.
  • 3127970067 | +1 312-797-0067 Illinois U.S.A.
  • 3127970068 | +1 312-797-0068 Illinois U.S.A.
  • 3127970069 | +1 312-797-0069 Illinois U.S.A.
  • 3127970070 | +1 312-797-0070 Illinois U.S.A.
  • 3127970071 | +1 312-797-0071 Illinois U.S.A.
  • 3127970072 | +1 312-797-0072 Illinois U.S.A.
  • 3127970073 | +1 312-797-0073 Illinois U.S.A.
  • 3127970074 | +1 312-797-0074 Illinois U.S.A.
  • 3127970075 | +1 312-797-0075 Illinois U.S.A.
  • 3127970076 | +1 312-797-0076 Illinois U.S.A.
  • 3127970077 | +1 312-797-0077 Illinois U.S.A.
  • 3127970078 | +1 312-797-0078 Illinois U.S.A.
  • 3127970079 | +1 312-797-0079 Illinois U.S.A.
  • 3127970080 | +1 312-797-0080 Illinois U.S.A.
  • 3127970081 | +1 312-797-0081 Illinois U.S.A.
  • 3127970082 | +1 312-797-0082 Illinois U.S.A.
  • 3127970083 | +1 312-797-0083 Illinois U.S.A.
  • 3127970084 | +1 312-797-0084 Illinois U.S.A.
  • 3127970085 | +1 312-797-0085 Illinois U.S.A.
  • 3127970086 | +1 312-797-0086 Illinois U.S.A.
  • 3127970087 | +1 312-797-0087 Illinois U.S.A.
  • 3127970088 | +1 312-797-0088 Illinois U.S.A.
  • 3127970089 | +1 312-797-0089 Illinois U.S.A.
  • 3127970090 | +1 312-797-0090 Illinois U.S.A.
  • 3127970091 | +1 312-797-0091 Illinois U.S.A.
  • 3127970092 | +1 312-797-0092 Illinois U.S.A.
  • 3127970093 | +1 312-797-0093 Illinois U.S.A.
  • 3127970094 | +1 312-797-0094 Illinois U.S.A.
  • 3127970095 | +1 312-797-0095 Illinois U.S.A.
  • 3127970096 | +1 312-797-0096 Illinois U.S.A.
  • 3127970097 | +1 312-797-0097 Illinois U.S.A.
  • 3127970098 | +1 312-797-0098 Illinois U.S.A.
  • 3127970099 | +1 312-797-0099 Illinois U.S.A.