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).

  • 3123800000 | +1 312-380-0000 Illinois U.S.A.
  • 3123800001 | +1 312-380-0001 Illinois U.S.A.
  • 3123800002 | +1 312-380-0002 Illinois U.S.A.
  • 3123800003 | +1 312-380-0003 Illinois U.S.A.
  • 3123800004 | +1 312-380-0004 Illinois U.S.A.
  • 3123800005 | +1 312-380-0005 Illinois U.S.A.
  • 3123800006 | +1 312-380-0006 Illinois U.S.A.
  • 3123800007 | +1 312-380-0007 Illinois U.S.A.
  • 3123800008 | +1 312-380-0008 Illinois U.S.A.
  • 3123800009 | +1 312-380-0009 Illinois U.S.A.
  • 3123800010 | +1 312-380-0010 Illinois U.S.A.
  • 3123800011 | +1 312-380-0011 Illinois U.S.A.
  • 3123800012 | +1 312-380-0012 Illinois U.S.A.
  • 3123800013 | +1 312-380-0013 Illinois U.S.A.
  • 3123800014 | +1 312-380-0014 Illinois U.S.A.
  • 3123800015 | +1 312-380-0015 Illinois U.S.A.
  • 3123800016 | +1 312-380-0016 Illinois U.S.A.
  • 3123800017 | +1 312-380-0017 Illinois U.S.A.
  • 3123800018 | +1 312-380-0018 Illinois U.S.A.
  • 3123800019 | +1 312-380-0019 Illinois U.S.A.
  • 3123800020 | +1 312-380-0020 Illinois U.S.A.
  • 3123800021 | +1 312-380-0021 Illinois U.S.A.
  • 3123800022 | +1 312-380-0022 Illinois U.S.A.
  • 3123800023 | +1 312-380-0023 Illinois U.S.A.
  • 3123800024 | +1 312-380-0024 Illinois U.S.A.
  • 3123800025 | +1 312-380-0025 Illinois U.S.A.
  • 3123800026 | +1 312-380-0026 Illinois U.S.A.
  • 3123800027 | +1 312-380-0027 Illinois U.S.A.
  • 3123800028 | +1 312-380-0028 Illinois U.S.A.
  • 3123800029 | +1 312-380-0029 Illinois U.S.A.
  • 3123800030 | +1 312-380-0030 Illinois U.S.A.
  • 3123800031 | +1 312-380-0031 Illinois U.S.A.
  • 3123800032 | +1 312-380-0032 Illinois U.S.A.
  • 3123800033 | +1 312-380-0033 Illinois U.S.A.
  • 3123800034 | +1 312-380-0034 Illinois U.S.A.
  • 3123800035 | +1 312-380-0035 Illinois U.S.A.
  • 3123800036 | +1 312-380-0036 Illinois U.S.A.
  • 3123800037 | +1 312-380-0037 Illinois U.S.A.
  • 3123800038 | +1 312-380-0038 Illinois U.S.A.
  • 3123800039 | +1 312-380-0039 Illinois U.S.A.
  • 3123800040 | +1 312-380-0040 Illinois U.S.A.
  • 3123800041 | +1 312-380-0041 Illinois U.S.A.
  • 3123800042 | +1 312-380-0042 Illinois U.S.A.
  • 3123800043 | +1 312-380-0043 Illinois U.S.A.
  • 3123800044 | +1 312-380-0044 Illinois U.S.A.
  • 3123800045 | +1 312-380-0045 Illinois U.S.A.
  • 3123800046 | +1 312-380-0046 Illinois U.S.A.
  • 3123800047 | +1 312-380-0047 Illinois U.S.A.
  • 3123800048 | +1 312-380-0048 Illinois U.S.A.
  • 3123800049 | +1 312-380-0049 Illinois U.S.A.
  • 3123800050 | +1 312-380-0050 Illinois U.S.A.
  • 3123800051 | +1 312-380-0051 Illinois U.S.A.
  • 3123800052 | +1 312-380-0052 Illinois U.S.A.
  • 3123800053 | +1 312-380-0053 Illinois U.S.A.
  • 3123800054 | +1 312-380-0054 Illinois U.S.A.
  • 3123800055 | +1 312-380-0055 Illinois U.S.A.
  • 3123800056 | +1 312-380-0056 Illinois U.S.A.
  • 3123800057 | +1 312-380-0057 Illinois U.S.A.
  • 3123800058 | +1 312-380-0058 Illinois U.S.A.
  • 3123800059 | +1 312-380-0059 Illinois U.S.A.
  • 3123800060 | +1 312-380-0060 Illinois U.S.A.
  • 3123800061 | +1 312-380-0061 Illinois U.S.A.
  • 3123800062 | +1 312-380-0062 Illinois U.S.A.
  • 3123800063 | +1 312-380-0063 Illinois U.S.A.
  • 3123800064 | +1 312-380-0064 Illinois U.S.A.
  • 3123800065 | +1 312-380-0065 Illinois U.S.A.
  • 3123800066 | +1 312-380-0066 Illinois U.S.A.
  • 3123800067 | +1 312-380-0067 Illinois U.S.A.
  • 3123800068 | +1 312-380-0068 Illinois U.S.A.
  • 3123800069 | +1 312-380-0069 Illinois U.S.A.
  • 3123800070 | +1 312-380-0070 Illinois U.S.A.
  • 3123800071 | +1 312-380-0071 Illinois U.S.A.
  • 3123800072 | +1 312-380-0072 Illinois U.S.A.
  • 3123800073 | +1 312-380-0073 Illinois U.S.A.
  • 3123800074 | +1 312-380-0074 Illinois U.S.A.
  • 3123800075 | +1 312-380-0075 Illinois U.S.A.
  • 3123800076 | +1 312-380-0076 Illinois U.S.A.
  • 3123800077 | +1 312-380-0077 Illinois U.S.A.
  • 3123800078 | +1 312-380-0078 Illinois U.S.A.
  • 3123800079 | +1 312-380-0079 Illinois U.S.A.
  • 3123800080 | +1 312-380-0080 Illinois U.S.A.
  • 3123800081 | +1 312-380-0081 Illinois U.S.A.
  • 3123800082 | +1 312-380-0082 Illinois U.S.A.
  • 3123800083 | +1 312-380-0083 Illinois U.S.A.
  • 3123800084 | +1 312-380-0084 Illinois U.S.A.
  • 3123800085 | +1 312-380-0085 Illinois U.S.A.
  • 3123800086 | +1 312-380-0086 Illinois U.S.A.
  • 3123800087 | +1 312-380-0087 Illinois U.S.A.
  • 3123800088 | +1 312-380-0088 Illinois U.S.A.
  • 3123800089 | +1 312-380-0089 Illinois U.S.A.
  • 3123800090 | +1 312-380-0090 Illinois U.S.A.
  • 3123800091 | +1 312-380-0091 Illinois U.S.A.
  • 3123800092 | +1 312-380-0092 Illinois U.S.A.
  • 3123800093 | +1 312-380-0093 Illinois U.S.A.
  • 3123800094 | +1 312-380-0094 Illinois U.S.A.
  • 3123800095 | +1 312-380-0095 Illinois U.S.A.
  • 3123800096 | +1 312-380-0096 Illinois U.S.A.
  • 3123800097 | +1 312-380-0097 Illinois U.S.A.
  • 3123800098 | +1 312-380-0098 Illinois U.S.A.
  • 3123800099 | +1 312-380-0099 Illinois U.S.A.