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).

  • 3123290000 | +1 312-329-0000 Illinois U.S.A.
  • 3123290001 | +1 312-329-0001 Illinois U.S.A.
  • 3123290002 | +1 312-329-0002 Illinois U.S.A.
  • 3123290003 | +1 312-329-0003 Illinois U.S.A.
  • 3123290004 | +1 312-329-0004 Illinois U.S.A.
  • 3123290005 | +1 312-329-0005 Illinois U.S.A.
  • 3123290006 | +1 312-329-0006 Illinois U.S.A.
  • 3123290007 | +1 312-329-0007 Illinois U.S.A.
  • 3123290008 | +1 312-329-0008 Illinois U.S.A.
  • 3123290009 | +1 312-329-0009 Illinois U.S.A.
  • 3123290010 | +1 312-329-0010 Illinois U.S.A.
  • 3123290011 | +1 312-329-0011 Illinois U.S.A.
  • 3123290012 | +1 312-329-0012 Illinois U.S.A.
  • 3123290013 | +1 312-329-0013 Illinois U.S.A.
  • 3123290014 | +1 312-329-0014 Illinois U.S.A.
  • 3123290015 | +1 312-329-0015 Illinois U.S.A.
  • 3123290016 | +1 312-329-0016 Illinois U.S.A.
  • 3123290017 | +1 312-329-0017 Illinois U.S.A.
  • 3123290018 | +1 312-329-0018 Illinois U.S.A.
  • 3123290019 | +1 312-329-0019 Illinois U.S.A.
  • 3123290020 | +1 312-329-0020 Illinois U.S.A.
  • 3123290021 | +1 312-329-0021 Illinois U.S.A.
  • 3123290022 | +1 312-329-0022 Illinois U.S.A.
  • 3123290023 | +1 312-329-0023 Illinois U.S.A.
  • 3123290024 | +1 312-329-0024 Illinois U.S.A.
  • 3123290025 | +1 312-329-0025 Illinois U.S.A.
  • 3123290026 | +1 312-329-0026 Illinois U.S.A.
  • 3123290027 | +1 312-329-0027 Illinois U.S.A.
  • 3123290028 | +1 312-329-0028 Illinois U.S.A.
  • 3123290029 | +1 312-329-0029 Illinois U.S.A.
  • 3123290030 | +1 312-329-0030 Illinois U.S.A.
  • 3123290031 | +1 312-329-0031 Illinois U.S.A.
  • 3123290032 | +1 312-329-0032 Illinois U.S.A.
  • 3123290033 | +1 312-329-0033 Illinois U.S.A.
  • 3123290034 | +1 312-329-0034 Illinois U.S.A.
  • 3123290035 | +1 312-329-0035 Illinois U.S.A.
  • 3123290036 | +1 312-329-0036 Illinois U.S.A.
  • 3123290037 | +1 312-329-0037 Illinois U.S.A.
  • 3123290038 | +1 312-329-0038 Illinois U.S.A.
  • 3123290039 | +1 312-329-0039 Illinois U.S.A.
  • 3123290040 | +1 312-329-0040 Illinois U.S.A.
  • 3123290041 | +1 312-329-0041 Illinois U.S.A.
  • 3123290042 | +1 312-329-0042 Illinois U.S.A.
  • 3123290043 | +1 312-329-0043 Illinois U.S.A.
  • 3123290044 | +1 312-329-0044 Illinois U.S.A.
  • 3123290045 | +1 312-329-0045 Illinois U.S.A.
  • 3123290046 | +1 312-329-0046 Illinois U.S.A.
  • 3123290047 | +1 312-329-0047 Illinois U.S.A.
  • 3123290048 | +1 312-329-0048 Illinois U.S.A.
  • 3123290049 | +1 312-329-0049 Illinois U.S.A.
  • 3123290050 | +1 312-329-0050 Illinois U.S.A.
  • 3123290051 | +1 312-329-0051 Illinois U.S.A.
  • 3123290052 | +1 312-329-0052 Illinois U.S.A.
  • 3123290053 | +1 312-329-0053 Illinois U.S.A.
  • 3123290054 | +1 312-329-0054 Illinois U.S.A.
  • 3123290055 | +1 312-329-0055 Illinois U.S.A.
  • 3123290056 | +1 312-329-0056 Illinois U.S.A.
  • 3123290057 | +1 312-329-0057 Illinois U.S.A.
  • 3123290058 | +1 312-329-0058 Illinois U.S.A.
  • 3123290059 | +1 312-329-0059 Illinois U.S.A.
  • 3123290060 | +1 312-329-0060 Illinois U.S.A.
  • 3123290061 | +1 312-329-0061 Illinois U.S.A.
  • 3123290062 | +1 312-329-0062 Illinois U.S.A.
  • 3123290063 | +1 312-329-0063 Illinois U.S.A.
  • 3123290064 | +1 312-329-0064 Illinois U.S.A.
  • 3123290065 | +1 312-329-0065 Illinois U.S.A.
  • 3123290066 | +1 312-329-0066 Illinois U.S.A.
  • 3123290067 | +1 312-329-0067 Illinois U.S.A.
  • 3123290068 | +1 312-329-0068 Illinois U.S.A.
  • 3123290069 | +1 312-329-0069 Illinois U.S.A.
  • 3123290070 | +1 312-329-0070 Illinois U.S.A.
  • 3123290071 | +1 312-329-0071 Illinois U.S.A.
  • 3123290072 | +1 312-329-0072 Illinois U.S.A.
  • 3123290073 | +1 312-329-0073 Illinois U.S.A.
  • 3123290074 | +1 312-329-0074 Illinois U.S.A.
  • 3123290075 | +1 312-329-0075 Illinois U.S.A.
  • 3123290076 | +1 312-329-0076 Illinois U.S.A.
  • 3123290077 | +1 312-329-0077 Illinois U.S.A.
  • 3123290078 | +1 312-329-0078 Illinois U.S.A.
  • 3123290079 | +1 312-329-0079 Illinois U.S.A.
  • 3123290080 | +1 312-329-0080 Illinois U.S.A.
  • 3123290081 | +1 312-329-0081 Illinois U.S.A.
  • 3123290082 | +1 312-329-0082 Illinois U.S.A.
  • 3123290083 | +1 312-329-0083 Illinois U.S.A.
  • 3123290084 | +1 312-329-0084 Illinois U.S.A.
  • 3123290085 | +1 312-329-0085 Illinois U.S.A.
  • 3123290086 | +1 312-329-0086 Illinois U.S.A.
  • 3123290087 | +1 312-329-0087 Illinois U.S.A.
  • 3123290088 | +1 312-329-0088 Illinois U.S.A.
  • 3123290089 | +1 312-329-0089 Illinois U.S.A.
  • 3123290090 | +1 312-329-0090 Illinois U.S.A.
  • 3123290091 | +1 312-329-0091 Illinois U.S.A.
  • 3123290092 | +1 312-329-0092 Illinois U.S.A.
  • 3123290093 | +1 312-329-0093 Illinois U.S.A.
  • 3123290094 | +1 312-329-0094 Illinois U.S.A.
  • 3123290095 | +1 312-329-0095 Illinois U.S.A.
  • 3123290096 | +1 312-329-0096 Illinois U.S.A.
  • 3123290097 | +1 312-329-0097 Illinois U.S.A.
  • 3123290098 | +1 312-329-0098 Illinois U.S.A.
  • 3123290099 | +1 312-329-0099 Illinois U.S.A.