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).

  • 3125420000 | +1 312-542-0000 Illinois U.S.A.
  • 3125420001 | +1 312-542-0001 Illinois U.S.A.
  • 3125420002 | +1 312-542-0002 Illinois U.S.A.
  • 3125420003 | +1 312-542-0003 Illinois U.S.A.
  • 3125420004 | +1 312-542-0004 Illinois U.S.A.
  • 3125420005 | +1 312-542-0005 Illinois U.S.A.
  • 3125420006 | +1 312-542-0006 Illinois U.S.A.
  • 3125420007 | +1 312-542-0007 Illinois U.S.A.
  • 3125420008 | +1 312-542-0008 Illinois U.S.A.
  • 3125420009 | +1 312-542-0009 Illinois U.S.A.
  • 3125420010 | +1 312-542-0010 Illinois U.S.A.
  • 3125420011 | +1 312-542-0011 Illinois U.S.A.
  • 3125420012 | +1 312-542-0012 Illinois U.S.A.
  • 3125420013 | +1 312-542-0013 Illinois U.S.A.
  • 3125420014 | +1 312-542-0014 Illinois U.S.A.
  • 3125420015 | +1 312-542-0015 Illinois U.S.A.
  • 3125420016 | +1 312-542-0016 Illinois U.S.A.
  • 3125420017 | +1 312-542-0017 Illinois U.S.A.
  • 3125420018 | +1 312-542-0018 Illinois U.S.A.
  • 3125420019 | +1 312-542-0019 Illinois U.S.A.
  • 3125420020 | +1 312-542-0020 Illinois U.S.A.
  • 3125420021 | +1 312-542-0021 Illinois U.S.A.
  • 3125420022 | +1 312-542-0022 Illinois U.S.A.
  • 3125420023 | +1 312-542-0023 Illinois U.S.A.
  • 3125420024 | +1 312-542-0024 Illinois U.S.A.
  • 3125420025 | +1 312-542-0025 Illinois U.S.A.
  • 3125420026 | +1 312-542-0026 Illinois U.S.A.
  • 3125420027 | +1 312-542-0027 Illinois U.S.A.
  • 3125420028 | +1 312-542-0028 Illinois U.S.A.
  • 3125420029 | +1 312-542-0029 Illinois U.S.A.
  • 3125420030 | +1 312-542-0030 Illinois U.S.A.
  • 3125420031 | +1 312-542-0031 Illinois U.S.A.
  • 3125420032 | +1 312-542-0032 Illinois U.S.A.
  • 3125420033 | +1 312-542-0033 Illinois U.S.A.
  • 3125420034 | +1 312-542-0034 Illinois U.S.A.
  • 3125420035 | +1 312-542-0035 Illinois U.S.A.
  • 3125420036 | +1 312-542-0036 Illinois U.S.A.
  • 3125420037 | +1 312-542-0037 Illinois U.S.A.
  • 3125420038 | +1 312-542-0038 Illinois U.S.A.
  • 3125420039 | +1 312-542-0039 Illinois U.S.A.
  • 3125420040 | +1 312-542-0040 Illinois U.S.A.
  • 3125420041 | +1 312-542-0041 Illinois U.S.A.
  • 3125420042 | +1 312-542-0042 Illinois U.S.A.
  • 3125420043 | +1 312-542-0043 Illinois U.S.A.
  • 3125420044 | +1 312-542-0044 Illinois U.S.A.
  • 3125420045 | +1 312-542-0045 Illinois U.S.A.
  • 3125420046 | +1 312-542-0046 Illinois U.S.A.
  • 3125420047 | +1 312-542-0047 Illinois U.S.A.
  • 3125420048 | +1 312-542-0048 Illinois U.S.A.
  • 3125420049 | +1 312-542-0049 Illinois U.S.A.
  • 3125420050 | +1 312-542-0050 Illinois U.S.A.
  • 3125420051 | +1 312-542-0051 Illinois U.S.A.
  • 3125420052 | +1 312-542-0052 Illinois U.S.A.
  • 3125420053 | +1 312-542-0053 Illinois U.S.A.
  • 3125420054 | +1 312-542-0054 Illinois U.S.A.
  • 3125420055 | +1 312-542-0055 Illinois U.S.A.
  • 3125420056 | +1 312-542-0056 Illinois U.S.A.
  • 3125420057 | +1 312-542-0057 Illinois U.S.A.
  • 3125420058 | +1 312-542-0058 Illinois U.S.A.
  • 3125420059 | +1 312-542-0059 Illinois U.S.A.
  • 3125420060 | +1 312-542-0060 Illinois U.S.A.
  • 3125420061 | +1 312-542-0061 Illinois U.S.A.
  • 3125420062 | +1 312-542-0062 Illinois U.S.A.
  • 3125420063 | +1 312-542-0063 Illinois U.S.A.
  • 3125420064 | +1 312-542-0064 Illinois U.S.A.
  • 3125420065 | +1 312-542-0065 Illinois U.S.A.
  • 3125420066 | +1 312-542-0066 Illinois U.S.A.
  • 3125420067 | +1 312-542-0067 Illinois U.S.A.
  • 3125420068 | +1 312-542-0068 Illinois U.S.A.
  • 3125420069 | +1 312-542-0069 Illinois U.S.A.
  • 3125420070 | +1 312-542-0070 Illinois U.S.A.
  • 3125420071 | +1 312-542-0071 Illinois U.S.A.
  • 3125420072 | +1 312-542-0072 Illinois U.S.A.
  • 3125420073 | +1 312-542-0073 Illinois U.S.A.
  • 3125420074 | +1 312-542-0074 Illinois U.S.A.
  • 3125420075 | +1 312-542-0075 Illinois U.S.A.
  • 3125420076 | +1 312-542-0076 Illinois U.S.A.
  • 3125420077 | +1 312-542-0077 Illinois U.S.A.
  • 3125420078 | +1 312-542-0078 Illinois U.S.A.
  • 3125420079 | +1 312-542-0079 Illinois U.S.A.
  • 3125420080 | +1 312-542-0080 Illinois U.S.A.
  • 3125420081 | +1 312-542-0081 Illinois U.S.A.
  • 3125420082 | +1 312-542-0082 Illinois U.S.A.
  • 3125420083 | +1 312-542-0083 Illinois U.S.A.
  • 3125420084 | +1 312-542-0084 Illinois U.S.A.
  • 3125420085 | +1 312-542-0085 Illinois U.S.A.
  • 3125420086 | +1 312-542-0086 Illinois U.S.A.
  • 3125420087 | +1 312-542-0087 Illinois U.S.A.
  • 3125420088 | +1 312-542-0088 Illinois U.S.A.
  • 3125420089 | +1 312-542-0089 Illinois U.S.A.
  • 3125420090 | +1 312-542-0090 Illinois U.S.A.
  • 3125420091 | +1 312-542-0091 Illinois U.S.A.
  • 3125420092 | +1 312-542-0092 Illinois U.S.A.
  • 3125420093 | +1 312-542-0093 Illinois U.S.A.
  • 3125420094 | +1 312-542-0094 Illinois U.S.A.
  • 3125420095 | +1 312-542-0095 Illinois U.S.A.
  • 3125420096 | +1 312-542-0096 Illinois U.S.A.
  • 3125420097 | +1 312-542-0097 Illinois U.S.A.
  • 3125420098 | +1 312-542-0098 Illinois U.S.A.
  • 3125420099 | +1 312-542-0099 Illinois U.S.A.