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).

  • 3122510000 | +1 312-251-0000 Illinois U.S.A.
  • 3122510001 | +1 312-251-0001 Illinois U.S.A.
  • 3122510002 | +1 312-251-0002 Illinois U.S.A.
  • 3122510003 | +1 312-251-0003 Illinois U.S.A.
  • 3122510004 | +1 312-251-0004 Illinois U.S.A.
  • 3122510005 | +1 312-251-0005 Illinois U.S.A.
  • 3122510006 | +1 312-251-0006 Illinois U.S.A.
  • 3122510007 | +1 312-251-0007 Illinois U.S.A.
  • 3122510008 | +1 312-251-0008 Illinois U.S.A.
  • 3122510009 | +1 312-251-0009 Illinois U.S.A.
  • 3122510010 | +1 312-251-0010 Illinois U.S.A.
  • 3122510011 | +1 312-251-0011 Illinois U.S.A.
  • 3122510012 | +1 312-251-0012 Illinois U.S.A.
  • 3122510013 | +1 312-251-0013 Illinois U.S.A.
  • 3122510014 | +1 312-251-0014 Illinois U.S.A.
  • 3122510015 | +1 312-251-0015 Illinois U.S.A.
  • 3122510016 | +1 312-251-0016 Illinois U.S.A.
  • 3122510017 | +1 312-251-0017 Illinois U.S.A.
  • 3122510018 | +1 312-251-0018 Illinois U.S.A.
  • 3122510019 | +1 312-251-0019 Illinois U.S.A.
  • 3122510020 | +1 312-251-0020 Illinois U.S.A.
  • 3122510021 | +1 312-251-0021 Illinois U.S.A.
  • 3122510022 | +1 312-251-0022 Illinois U.S.A.
  • 3122510023 | +1 312-251-0023 Illinois U.S.A.
  • 3122510024 | +1 312-251-0024 Illinois U.S.A.
  • 3122510025 | +1 312-251-0025 Illinois U.S.A.
  • 3122510026 | +1 312-251-0026 Illinois U.S.A.
  • 3122510027 | +1 312-251-0027 Illinois U.S.A.
  • 3122510028 | +1 312-251-0028 Illinois U.S.A.
  • 3122510029 | +1 312-251-0029 Illinois U.S.A.
  • 3122510030 | +1 312-251-0030 Illinois U.S.A.
  • 3122510031 | +1 312-251-0031 Illinois U.S.A.
  • 3122510032 | +1 312-251-0032 Illinois U.S.A.
  • 3122510033 | +1 312-251-0033 Illinois U.S.A.
  • 3122510034 | +1 312-251-0034 Illinois U.S.A.
  • 3122510035 | +1 312-251-0035 Illinois U.S.A.
  • 3122510036 | +1 312-251-0036 Illinois U.S.A.
  • 3122510037 | +1 312-251-0037 Illinois U.S.A.
  • 3122510038 | +1 312-251-0038 Illinois U.S.A.
  • 3122510039 | +1 312-251-0039 Illinois U.S.A.
  • 3122510040 | +1 312-251-0040 Illinois U.S.A.
  • 3122510041 | +1 312-251-0041 Illinois U.S.A.
  • 3122510042 | +1 312-251-0042 Illinois U.S.A.
  • 3122510043 | +1 312-251-0043 Illinois U.S.A.
  • 3122510044 | +1 312-251-0044 Illinois U.S.A.
  • 3122510045 | +1 312-251-0045 Illinois U.S.A.
  • 3122510046 | +1 312-251-0046 Illinois U.S.A.
  • 3122510047 | +1 312-251-0047 Illinois U.S.A.
  • 3122510048 | +1 312-251-0048 Illinois U.S.A.
  • 3122510049 | +1 312-251-0049 Illinois U.S.A.
  • 3122510050 | +1 312-251-0050 Illinois U.S.A.
  • 3122510051 | +1 312-251-0051 Illinois U.S.A.
  • 3122510052 | +1 312-251-0052 Illinois U.S.A.
  • 3122510053 | +1 312-251-0053 Illinois U.S.A.
  • 3122510054 | +1 312-251-0054 Illinois U.S.A.
  • 3122510055 | +1 312-251-0055 Illinois U.S.A.
  • 3122510056 | +1 312-251-0056 Illinois U.S.A.
  • 3122510057 | +1 312-251-0057 Illinois U.S.A.
  • 3122510058 | +1 312-251-0058 Illinois U.S.A.
  • 3122510059 | +1 312-251-0059 Illinois U.S.A.
  • 3122510060 | +1 312-251-0060 Illinois U.S.A.
  • 3122510061 | +1 312-251-0061 Illinois U.S.A.
  • 3122510062 | +1 312-251-0062 Illinois U.S.A.
  • 3122510063 | +1 312-251-0063 Illinois U.S.A.
  • 3122510064 | +1 312-251-0064 Illinois U.S.A.
  • 3122510065 | +1 312-251-0065 Illinois U.S.A.
  • 3122510066 | +1 312-251-0066 Illinois U.S.A.
  • 3122510067 | +1 312-251-0067 Illinois U.S.A.
  • 3122510068 | +1 312-251-0068 Illinois U.S.A.
  • 3122510069 | +1 312-251-0069 Illinois U.S.A.
  • 3122510070 | +1 312-251-0070 Illinois U.S.A.
  • 3122510071 | +1 312-251-0071 Illinois U.S.A.
  • 3122510072 | +1 312-251-0072 Illinois U.S.A.
  • 3122510073 | +1 312-251-0073 Illinois U.S.A.
  • 3122510074 | +1 312-251-0074 Illinois U.S.A.
  • 3122510075 | +1 312-251-0075 Illinois U.S.A.
  • 3122510076 | +1 312-251-0076 Illinois U.S.A.
  • 3122510077 | +1 312-251-0077 Illinois U.S.A.
  • 3122510078 | +1 312-251-0078 Illinois U.S.A.
  • 3122510079 | +1 312-251-0079 Illinois U.S.A.
  • 3122510080 | +1 312-251-0080 Illinois U.S.A.
  • 3122510081 | +1 312-251-0081 Illinois U.S.A.
  • 3122510082 | +1 312-251-0082 Illinois U.S.A.
  • 3122510083 | +1 312-251-0083 Illinois U.S.A.
  • 3122510084 | +1 312-251-0084 Illinois U.S.A.
  • 3122510085 | +1 312-251-0085 Illinois U.S.A.
  • 3122510086 | +1 312-251-0086 Illinois U.S.A.
  • 3122510087 | +1 312-251-0087 Illinois U.S.A.
  • 3122510088 | +1 312-251-0088 Illinois U.S.A.
  • 3122510089 | +1 312-251-0089 Illinois U.S.A.
  • 3122510090 | +1 312-251-0090 Illinois U.S.A.
  • 3122510091 | +1 312-251-0091 Illinois U.S.A.
  • 3122510092 | +1 312-251-0092 Illinois U.S.A.
  • 3122510093 | +1 312-251-0093 Illinois U.S.A.
  • 3122510094 | +1 312-251-0094 Illinois U.S.A.
  • 3122510095 | +1 312-251-0095 Illinois U.S.A.
  • 3122510096 | +1 312-251-0096 Illinois U.S.A.
  • 3122510097 | +1 312-251-0097 Illinois U.S.A.
  • 3122510098 | +1 312-251-0098 Illinois U.S.A.
  • 3122510099 | +1 312-251-0099 Illinois U.S.A.