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).

  • 3129210000 | +1 312-921-0000 Illinois U.S.A.
  • 3129210001 | +1 312-921-0001 Illinois U.S.A.
  • 3129210002 | +1 312-921-0002 Illinois U.S.A.
  • 3129210003 | +1 312-921-0003 Illinois U.S.A.
  • 3129210004 | +1 312-921-0004 Illinois U.S.A.
  • 3129210005 | +1 312-921-0005 Illinois U.S.A.
  • 3129210006 | +1 312-921-0006 Illinois U.S.A.
  • 3129210007 | +1 312-921-0007 Illinois U.S.A.
  • 3129210008 | +1 312-921-0008 Illinois U.S.A.
  • 3129210009 | +1 312-921-0009 Illinois U.S.A.
  • 3129210010 | +1 312-921-0010 Illinois U.S.A.
  • 3129210011 | +1 312-921-0011 Illinois U.S.A.
  • 3129210012 | +1 312-921-0012 Illinois U.S.A.
  • 3129210013 | +1 312-921-0013 Illinois U.S.A.
  • 3129210014 | +1 312-921-0014 Illinois U.S.A.
  • 3129210015 | +1 312-921-0015 Illinois U.S.A.
  • 3129210016 | +1 312-921-0016 Illinois U.S.A.
  • 3129210017 | +1 312-921-0017 Illinois U.S.A.
  • 3129210018 | +1 312-921-0018 Illinois U.S.A.
  • 3129210019 | +1 312-921-0019 Illinois U.S.A.
  • 3129210020 | +1 312-921-0020 Illinois U.S.A.
  • 3129210021 | +1 312-921-0021 Illinois U.S.A.
  • 3129210022 | +1 312-921-0022 Illinois U.S.A.
  • 3129210023 | +1 312-921-0023 Illinois U.S.A.
  • 3129210024 | +1 312-921-0024 Illinois U.S.A.
  • 3129210025 | +1 312-921-0025 Illinois U.S.A.
  • 3129210026 | +1 312-921-0026 Illinois U.S.A.
  • 3129210027 | +1 312-921-0027 Illinois U.S.A.
  • 3129210028 | +1 312-921-0028 Illinois U.S.A.
  • 3129210029 | +1 312-921-0029 Illinois U.S.A.
  • 3129210030 | +1 312-921-0030 Illinois U.S.A.
  • 3129210031 | +1 312-921-0031 Illinois U.S.A.
  • 3129210032 | +1 312-921-0032 Illinois U.S.A.
  • 3129210033 | +1 312-921-0033 Illinois U.S.A.
  • 3129210034 | +1 312-921-0034 Illinois U.S.A.
  • 3129210035 | +1 312-921-0035 Illinois U.S.A.
  • 3129210036 | +1 312-921-0036 Illinois U.S.A.
  • 3129210037 | +1 312-921-0037 Illinois U.S.A.
  • 3129210038 | +1 312-921-0038 Illinois U.S.A.
  • 3129210039 | +1 312-921-0039 Illinois U.S.A.
  • 3129210040 | +1 312-921-0040 Illinois U.S.A.
  • 3129210041 | +1 312-921-0041 Illinois U.S.A.
  • 3129210042 | +1 312-921-0042 Illinois U.S.A.
  • 3129210043 | +1 312-921-0043 Illinois U.S.A.
  • 3129210044 | +1 312-921-0044 Illinois U.S.A.
  • 3129210045 | +1 312-921-0045 Illinois U.S.A.
  • 3129210046 | +1 312-921-0046 Illinois U.S.A.
  • 3129210047 | +1 312-921-0047 Illinois U.S.A.
  • 3129210048 | +1 312-921-0048 Illinois U.S.A.
  • 3129210049 | +1 312-921-0049 Illinois U.S.A.
  • 3129210050 | +1 312-921-0050 Illinois U.S.A.
  • 3129210051 | +1 312-921-0051 Illinois U.S.A.
  • 3129210052 | +1 312-921-0052 Illinois U.S.A.
  • 3129210053 | +1 312-921-0053 Illinois U.S.A.
  • 3129210054 | +1 312-921-0054 Illinois U.S.A.
  • 3129210055 | +1 312-921-0055 Illinois U.S.A.
  • 3129210056 | +1 312-921-0056 Illinois U.S.A.
  • 3129210057 | +1 312-921-0057 Illinois U.S.A.
  • 3129210058 | +1 312-921-0058 Illinois U.S.A.
  • 3129210059 | +1 312-921-0059 Illinois U.S.A.
  • 3129210060 | +1 312-921-0060 Illinois U.S.A.
  • 3129210061 | +1 312-921-0061 Illinois U.S.A.
  • 3129210062 | +1 312-921-0062 Illinois U.S.A.
  • 3129210063 | +1 312-921-0063 Illinois U.S.A.
  • 3129210064 | +1 312-921-0064 Illinois U.S.A.
  • 3129210065 | +1 312-921-0065 Illinois U.S.A.
  • 3129210066 | +1 312-921-0066 Illinois U.S.A.
  • 3129210067 | +1 312-921-0067 Illinois U.S.A.
  • 3129210068 | +1 312-921-0068 Illinois U.S.A.
  • 3129210069 | +1 312-921-0069 Illinois U.S.A.
  • 3129210070 | +1 312-921-0070 Illinois U.S.A.
  • 3129210071 | +1 312-921-0071 Illinois U.S.A.
  • 3129210072 | +1 312-921-0072 Illinois U.S.A.
  • 3129210073 | +1 312-921-0073 Illinois U.S.A.
  • 3129210074 | +1 312-921-0074 Illinois U.S.A.
  • 3129210075 | +1 312-921-0075 Illinois U.S.A.
  • 3129210076 | +1 312-921-0076 Illinois U.S.A.
  • 3129210077 | +1 312-921-0077 Illinois U.S.A.
  • 3129210078 | +1 312-921-0078 Illinois U.S.A.
  • 3129210079 | +1 312-921-0079 Illinois U.S.A.
  • 3129210080 | +1 312-921-0080 Illinois U.S.A.
  • 3129210081 | +1 312-921-0081 Illinois U.S.A.
  • 3129210082 | +1 312-921-0082 Illinois U.S.A.
  • 3129210083 | +1 312-921-0083 Illinois U.S.A.
  • 3129210084 | +1 312-921-0084 Illinois U.S.A.
  • 3129210085 | +1 312-921-0085 Illinois U.S.A.
  • 3129210086 | +1 312-921-0086 Illinois U.S.A.
  • 3129210087 | +1 312-921-0087 Illinois U.S.A.
  • 3129210088 | +1 312-921-0088 Illinois U.S.A.
  • 3129210089 | +1 312-921-0089 Illinois U.S.A.
  • 3129210090 | +1 312-921-0090 Illinois U.S.A.
  • 3129210091 | +1 312-921-0091 Illinois U.S.A.
  • 3129210092 | +1 312-921-0092 Illinois U.S.A.
  • 3129210093 | +1 312-921-0093 Illinois U.S.A.
  • 3129210094 | +1 312-921-0094 Illinois U.S.A.
  • 3129210095 | +1 312-921-0095 Illinois U.S.A.
  • 3129210096 | +1 312-921-0096 Illinois U.S.A.
  • 3129210097 | +1 312-921-0097 Illinois U.S.A.
  • 3129210098 | +1 312-921-0098 Illinois U.S.A.
  • 3129210099 | +1 312-921-0099 Illinois U.S.A.