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).

  • 3122300000 | +1 312-230-0000 Illinois U.S.A.
  • 3122300001 | +1 312-230-0001 Illinois U.S.A.
  • 3122300002 | +1 312-230-0002 Illinois U.S.A.
  • 3122300003 | +1 312-230-0003 Illinois U.S.A.
  • 3122300004 | +1 312-230-0004 Illinois U.S.A.
  • 3122300005 | +1 312-230-0005 Illinois U.S.A.
  • 3122300006 | +1 312-230-0006 Illinois U.S.A.
  • 3122300007 | +1 312-230-0007 Illinois U.S.A.
  • 3122300008 | +1 312-230-0008 Illinois U.S.A.
  • 3122300009 | +1 312-230-0009 Illinois U.S.A.
  • 3122300010 | +1 312-230-0010 Illinois U.S.A.
  • 3122300011 | +1 312-230-0011 Illinois U.S.A.
  • 3122300012 | +1 312-230-0012 Illinois U.S.A.
  • 3122300013 | +1 312-230-0013 Illinois U.S.A.
  • 3122300014 | +1 312-230-0014 Illinois U.S.A.
  • 3122300015 | +1 312-230-0015 Illinois U.S.A.
  • 3122300016 | +1 312-230-0016 Illinois U.S.A.
  • 3122300017 | +1 312-230-0017 Illinois U.S.A.
  • 3122300018 | +1 312-230-0018 Illinois U.S.A.
  • 3122300019 | +1 312-230-0019 Illinois U.S.A.
  • 3122300020 | +1 312-230-0020 Illinois U.S.A.
  • 3122300021 | +1 312-230-0021 Illinois U.S.A.
  • 3122300022 | +1 312-230-0022 Illinois U.S.A.
  • 3122300023 | +1 312-230-0023 Illinois U.S.A.
  • 3122300024 | +1 312-230-0024 Illinois U.S.A.
  • 3122300025 | +1 312-230-0025 Illinois U.S.A.
  • 3122300026 | +1 312-230-0026 Illinois U.S.A.
  • 3122300027 | +1 312-230-0027 Illinois U.S.A.
  • 3122300028 | +1 312-230-0028 Illinois U.S.A.
  • 3122300029 | +1 312-230-0029 Illinois U.S.A.
  • 3122300030 | +1 312-230-0030 Illinois U.S.A.
  • 3122300031 | +1 312-230-0031 Illinois U.S.A.
  • 3122300032 | +1 312-230-0032 Illinois U.S.A.
  • 3122300033 | +1 312-230-0033 Illinois U.S.A.
  • 3122300034 | +1 312-230-0034 Illinois U.S.A.
  • 3122300035 | +1 312-230-0035 Illinois U.S.A.
  • 3122300036 | +1 312-230-0036 Illinois U.S.A.
  • 3122300037 | +1 312-230-0037 Illinois U.S.A.
  • 3122300038 | +1 312-230-0038 Illinois U.S.A.
  • 3122300039 | +1 312-230-0039 Illinois U.S.A.
  • 3122300040 | +1 312-230-0040 Illinois U.S.A.
  • 3122300041 | +1 312-230-0041 Illinois U.S.A.
  • 3122300042 | +1 312-230-0042 Illinois U.S.A.
  • 3122300043 | +1 312-230-0043 Illinois U.S.A.
  • 3122300044 | +1 312-230-0044 Illinois U.S.A.
  • 3122300045 | +1 312-230-0045 Illinois U.S.A.
  • 3122300046 | +1 312-230-0046 Illinois U.S.A.
  • 3122300047 | +1 312-230-0047 Illinois U.S.A.
  • 3122300048 | +1 312-230-0048 Illinois U.S.A.
  • 3122300049 | +1 312-230-0049 Illinois U.S.A.
  • 3122300050 | +1 312-230-0050 Illinois U.S.A.
  • 3122300051 | +1 312-230-0051 Illinois U.S.A.
  • 3122300052 | +1 312-230-0052 Illinois U.S.A.
  • 3122300053 | +1 312-230-0053 Illinois U.S.A.
  • 3122300054 | +1 312-230-0054 Illinois U.S.A.
  • 3122300055 | +1 312-230-0055 Illinois U.S.A.
  • 3122300056 | +1 312-230-0056 Illinois U.S.A.
  • 3122300057 | +1 312-230-0057 Illinois U.S.A.
  • 3122300058 | +1 312-230-0058 Illinois U.S.A.
  • 3122300059 | +1 312-230-0059 Illinois U.S.A.
  • 3122300060 | +1 312-230-0060 Illinois U.S.A.
  • 3122300061 | +1 312-230-0061 Illinois U.S.A.
  • 3122300062 | +1 312-230-0062 Illinois U.S.A.
  • 3122300063 | +1 312-230-0063 Illinois U.S.A.
  • 3122300064 | +1 312-230-0064 Illinois U.S.A.
  • 3122300065 | +1 312-230-0065 Illinois U.S.A.
  • 3122300066 | +1 312-230-0066 Illinois U.S.A.
  • 3122300067 | +1 312-230-0067 Illinois U.S.A.
  • 3122300068 | +1 312-230-0068 Illinois U.S.A.
  • 3122300069 | +1 312-230-0069 Illinois U.S.A.
  • 3122300070 | +1 312-230-0070 Illinois U.S.A.
  • 3122300071 | +1 312-230-0071 Illinois U.S.A.
  • 3122300072 | +1 312-230-0072 Illinois U.S.A.
  • 3122300073 | +1 312-230-0073 Illinois U.S.A.
  • 3122300074 | +1 312-230-0074 Illinois U.S.A.
  • 3122300075 | +1 312-230-0075 Illinois U.S.A.
  • 3122300076 | +1 312-230-0076 Illinois U.S.A.
  • 3122300077 | +1 312-230-0077 Illinois U.S.A.
  • 3122300078 | +1 312-230-0078 Illinois U.S.A.
  • 3122300079 | +1 312-230-0079 Illinois U.S.A.
  • 3122300080 | +1 312-230-0080 Illinois U.S.A.
  • 3122300081 | +1 312-230-0081 Illinois U.S.A.
  • 3122300082 | +1 312-230-0082 Illinois U.S.A.
  • 3122300083 | +1 312-230-0083 Illinois U.S.A.
  • 3122300084 | +1 312-230-0084 Illinois U.S.A.
  • 3122300085 | +1 312-230-0085 Illinois U.S.A.
  • 3122300086 | +1 312-230-0086 Illinois U.S.A.
  • 3122300087 | +1 312-230-0087 Illinois U.S.A.
  • 3122300088 | +1 312-230-0088 Illinois U.S.A.
  • 3122300089 | +1 312-230-0089 Illinois U.S.A.
  • 3122300090 | +1 312-230-0090 Illinois U.S.A.
  • 3122300091 | +1 312-230-0091 Illinois U.S.A.
  • 3122300092 | +1 312-230-0092 Illinois U.S.A.
  • 3122300093 | +1 312-230-0093 Illinois U.S.A.
  • 3122300094 | +1 312-230-0094 Illinois U.S.A.
  • 3122300095 | +1 312-230-0095 Illinois U.S.A.
  • 3122300096 | +1 312-230-0096 Illinois U.S.A.
  • 3122300097 | +1 312-230-0097 Illinois U.S.A.
  • 3122300098 | +1 312-230-0098 Illinois U.S.A.
  • 3122300099 | +1 312-230-0099 Illinois U.S.A.