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).

  • 3123550000 | +1 312-355-0000 Illinois U.S.A.
  • 3123550001 | +1 312-355-0001 Illinois U.S.A.
  • 3123550002 | +1 312-355-0002 Illinois U.S.A.
  • 3123550003 | +1 312-355-0003 Illinois U.S.A.
  • 3123550004 | +1 312-355-0004 Illinois U.S.A.
  • 3123550005 | +1 312-355-0005 Illinois U.S.A.
  • 3123550006 | +1 312-355-0006 Illinois U.S.A.
  • 3123550007 | +1 312-355-0007 Illinois U.S.A.
  • 3123550008 | +1 312-355-0008 Illinois U.S.A.
  • 3123550009 | +1 312-355-0009 Illinois U.S.A.
  • 3123550010 | +1 312-355-0010 Illinois U.S.A.
  • 3123550011 | +1 312-355-0011 Illinois U.S.A.
  • 3123550012 | +1 312-355-0012 Illinois U.S.A.
  • 3123550013 | +1 312-355-0013 Illinois U.S.A.
  • 3123550014 | +1 312-355-0014 Illinois U.S.A.
  • 3123550015 | +1 312-355-0015 Illinois U.S.A.
  • 3123550016 | +1 312-355-0016 Illinois U.S.A.
  • 3123550017 | +1 312-355-0017 Illinois U.S.A.
  • 3123550018 | +1 312-355-0018 Illinois U.S.A.
  • 3123550019 | +1 312-355-0019 Illinois U.S.A.
  • 3123550020 | +1 312-355-0020 Illinois U.S.A.
  • 3123550021 | +1 312-355-0021 Illinois U.S.A.
  • 3123550022 | +1 312-355-0022 Illinois U.S.A.
  • 3123550023 | +1 312-355-0023 Illinois U.S.A.
  • 3123550024 | +1 312-355-0024 Illinois U.S.A.
  • 3123550025 | +1 312-355-0025 Illinois U.S.A.
  • 3123550026 | +1 312-355-0026 Illinois U.S.A.
  • 3123550027 | +1 312-355-0027 Illinois U.S.A.
  • 3123550028 | +1 312-355-0028 Illinois U.S.A.
  • 3123550029 | +1 312-355-0029 Illinois U.S.A.
  • 3123550030 | +1 312-355-0030 Illinois U.S.A.
  • 3123550031 | +1 312-355-0031 Illinois U.S.A.
  • 3123550032 | +1 312-355-0032 Illinois U.S.A.
  • 3123550033 | +1 312-355-0033 Illinois U.S.A.
  • 3123550034 | +1 312-355-0034 Illinois U.S.A.
  • 3123550035 | +1 312-355-0035 Illinois U.S.A.
  • 3123550036 | +1 312-355-0036 Illinois U.S.A.
  • 3123550037 | +1 312-355-0037 Illinois U.S.A.
  • 3123550038 | +1 312-355-0038 Illinois U.S.A.
  • 3123550039 | +1 312-355-0039 Illinois U.S.A.
  • 3123550040 | +1 312-355-0040 Illinois U.S.A.
  • 3123550041 | +1 312-355-0041 Illinois U.S.A.
  • 3123550042 | +1 312-355-0042 Illinois U.S.A.
  • 3123550043 | +1 312-355-0043 Illinois U.S.A.
  • 3123550044 | +1 312-355-0044 Illinois U.S.A.
  • 3123550045 | +1 312-355-0045 Illinois U.S.A.
  • 3123550046 | +1 312-355-0046 Illinois U.S.A.
  • 3123550047 | +1 312-355-0047 Illinois U.S.A.
  • 3123550048 | +1 312-355-0048 Illinois U.S.A.
  • 3123550049 | +1 312-355-0049 Illinois U.S.A.
  • 3123550050 | +1 312-355-0050 Illinois U.S.A.
  • 3123550051 | +1 312-355-0051 Illinois U.S.A.
  • 3123550052 | +1 312-355-0052 Illinois U.S.A.
  • 3123550053 | +1 312-355-0053 Illinois U.S.A.
  • 3123550054 | +1 312-355-0054 Illinois U.S.A.
  • 3123550055 | +1 312-355-0055 Illinois U.S.A.
  • 3123550056 | +1 312-355-0056 Illinois U.S.A.
  • 3123550057 | +1 312-355-0057 Illinois U.S.A.
  • 3123550058 | +1 312-355-0058 Illinois U.S.A.
  • 3123550059 | +1 312-355-0059 Illinois U.S.A.
  • 3123550060 | +1 312-355-0060 Illinois U.S.A.
  • 3123550061 | +1 312-355-0061 Illinois U.S.A.
  • 3123550062 | +1 312-355-0062 Illinois U.S.A.
  • 3123550063 | +1 312-355-0063 Illinois U.S.A.
  • 3123550064 | +1 312-355-0064 Illinois U.S.A.
  • 3123550065 | +1 312-355-0065 Illinois U.S.A.
  • 3123550066 | +1 312-355-0066 Illinois U.S.A.
  • 3123550067 | +1 312-355-0067 Illinois U.S.A.
  • 3123550068 | +1 312-355-0068 Illinois U.S.A.
  • 3123550069 | +1 312-355-0069 Illinois U.S.A.
  • 3123550070 | +1 312-355-0070 Illinois U.S.A.
  • 3123550071 | +1 312-355-0071 Illinois U.S.A.
  • 3123550072 | +1 312-355-0072 Illinois U.S.A.
  • 3123550073 | +1 312-355-0073 Illinois U.S.A.
  • 3123550074 | +1 312-355-0074 Illinois U.S.A.
  • 3123550075 | +1 312-355-0075 Illinois U.S.A.
  • 3123550076 | +1 312-355-0076 Illinois U.S.A.
  • 3123550077 | +1 312-355-0077 Illinois U.S.A.
  • 3123550078 | +1 312-355-0078 Illinois U.S.A.
  • 3123550079 | +1 312-355-0079 Illinois U.S.A.
  • 3123550080 | +1 312-355-0080 Illinois U.S.A.
  • 3123550081 | +1 312-355-0081 Illinois U.S.A.
  • 3123550082 | +1 312-355-0082 Illinois U.S.A.
  • 3123550083 | +1 312-355-0083 Illinois U.S.A.
  • 3123550084 | +1 312-355-0084 Illinois U.S.A.
  • 3123550085 | +1 312-355-0085 Illinois U.S.A.
  • 3123550086 | +1 312-355-0086 Illinois U.S.A.
  • 3123550087 | +1 312-355-0087 Illinois U.S.A.
  • 3123550088 | +1 312-355-0088 Illinois U.S.A.
  • 3123550089 | +1 312-355-0089 Illinois U.S.A.
  • 3123550090 | +1 312-355-0090 Illinois U.S.A.
  • 3123550091 | +1 312-355-0091 Illinois U.S.A.
  • 3123550092 | +1 312-355-0092 Illinois U.S.A.
  • 3123550093 | +1 312-355-0093 Illinois U.S.A.
  • 3123550094 | +1 312-355-0094 Illinois U.S.A.
  • 3123550095 | +1 312-355-0095 Illinois U.S.A.
  • 3123550096 | +1 312-355-0096 Illinois U.S.A.
  • 3123550097 | +1 312-355-0097 Illinois U.S.A.
  • 3123550098 | +1 312-355-0098 Illinois U.S.A.
  • 3123550099 | +1 312-355-0099 Illinois U.S.A.