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).

  • 3128000000 | +1 312-800-0000 Illinois U.S.A.
  • 3128000001 | +1 312-800-0001 Illinois U.S.A.
  • 3128000002 | +1 312-800-0002 Illinois U.S.A.
  • 3128000003 | +1 312-800-0003 Illinois U.S.A.
  • 3128000004 | +1 312-800-0004 Illinois U.S.A.
  • 3128000005 | +1 312-800-0005 Illinois U.S.A.
  • 3128000006 | +1 312-800-0006 Illinois U.S.A.
  • 3128000007 | +1 312-800-0007 Illinois U.S.A.
  • 3128000008 | +1 312-800-0008 Illinois U.S.A.
  • 3128000009 | +1 312-800-0009 Illinois U.S.A.
  • 3128000010 | +1 312-800-0010 Illinois U.S.A.
  • 3128000011 | +1 312-800-0011 Illinois U.S.A.
  • 3128000012 | +1 312-800-0012 Illinois U.S.A.
  • 3128000013 | +1 312-800-0013 Illinois U.S.A.
  • 3128000014 | +1 312-800-0014 Illinois U.S.A.
  • 3128000015 | +1 312-800-0015 Illinois U.S.A.
  • 3128000016 | +1 312-800-0016 Illinois U.S.A.
  • 3128000017 | +1 312-800-0017 Illinois U.S.A.
  • 3128000018 | +1 312-800-0018 Illinois U.S.A.
  • 3128000019 | +1 312-800-0019 Illinois U.S.A.
  • 3128000020 | +1 312-800-0020 Illinois U.S.A.
  • 3128000021 | +1 312-800-0021 Illinois U.S.A.
  • 3128000022 | +1 312-800-0022 Illinois U.S.A.
  • 3128000023 | +1 312-800-0023 Illinois U.S.A.
  • 3128000024 | +1 312-800-0024 Illinois U.S.A.
  • 3128000025 | +1 312-800-0025 Illinois U.S.A.
  • 3128000026 | +1 312-800-0026 Illinois U.S.A.
  • 3128000027 | +1 312-800-0027 Illinois U.S.A.
  • 3128000028 | +1 312-800-0028 Illinois U.S.A.
  • 3128000029 | +1 312-800-0029 Illinois U.S.A.
  • 3128000030 | +1 312-800-0030 Illinois U.S.A.
  • 3128000031 | +1 312-800-0031 Illinois U.S.A.
  • 3128000032 | +1 312-800-0032 Illinois U.S.A.
  • 3128000033 | +1 312-800-0033 Illinois U.S.A.
  • 3128000034 | +1 312-800-0034 Illinois U.S.A.
  • 3128000035 | +1 312-800-0035 Illinois U.S.A.
  • 3128000036 | +1 312-800-0036 Illinois U.S.A.
  • 3128000037 | +1 312-800-0037 Illinois U.S.A.
  • 3128000038 | +1 312-800-0038 Illinois U.S.A.
  • 3128000039 | +1 312-800-0039 Illinois U.S.A.
  • 3128000040 | +1 312-800-0040 Illinois U.S.A.
  • 3128000041 | +1 312-800-0041 Illinois U.S.A.
  • 3128000042 | +1 312-800-0042 Illinois U.S.A.
  • 3128000043 | +1 312-800-0043 Illinois U.S.A.
  • 3128000044 | +1 312-800-0044 Illinois U.S.A.
  • 3128000045 | +1 312-800-0045 Illinois U.S.A.
  • 3128000046 | +1 312-800-0046 Illinois U.S.A.
  • 3128000047 | +1 312-800-0047 Illinois U.S.A.
  • 3128000048 | +1 312-800-0048 Illinois U.S.A.
  • 3128000049 | +1 312-800-0049 Illinois U.S.A.
  • 3128000050 | +1 312-800-0050 Illinois U.S.A.
  • 3128000051 | +1 312-800-0051 Illinois U.S.A.
  • 3128000052 | +1 312-800-0052 Illinois U.S.A.
  • 3128000053 | +1 312-800-0053 Illinois U.S.A.
  • 3128000054 | +1 312-800-0054 Illinois U.S.A.
  • 3128000055 | +1 312-800-0055 Illinois U.S.A.
  • 3128000056 | +1 312-800-0056 Illinois U.S.A.
  • 3128000057 | +1 312-800-0057 Illinois U.S.A.
  • 3128000058 | +1 312-800-0058 Illinois U.S.A.
  • 3128000059 | +1 312-800-0059 Illinois U.S.A.
  • 3128000060 | +1 312-800-0060 Illinois U.S.A.
  • 3128000061 | +1 312-800-0061 Illinois U.S.A.
  • 3128000062 | +1 312-800-0062 Illinois U.S.A.
  • 3128000063 | +1 312-800-0063 Illinois U.S.A.
  • 3128000064 | +1 312-800-0064 Illinois U.S.A.
  • 3128000065 | +1 312-800-0065 Illinois U.S.A.
  • 3128000066 | +1 312-800-0066 Illinois U.S.A.
  • 3128000067 | +1 312-800-0067 Illinois U.S.A.
  • 3128000068 | +1 312-800-0068 Illinois U.S.A.
  • 3128000069 | +1 312-800-0069 Illinois U.S.A.
  • 3128000070 | +1 312-800-0070 Illinois U.S.A.
  • 3128000071 | +1 312-800-0071 Illinois U.S.A.
  • 3128000072 | +1 312-800-0072 Illinois U.S.A.
  • 3128000073 | +1 312-800-0073 Illinois U.S.A.
  • 3128000074 | +1 312-800-0074 Illinois U.S.A.
  • 3128000075 | +1 312-800-0075 Illinois U.S.A.
  • 3128000076 | +1 312-800-0076 Illinois U.S.A.
  • 3128000077 | +1 312-800-0077 Illinois U.S.A.
  • 3128000078 | +1 312-800-0078 Illinois U.S.A.
  • 3128000079 | +1 312-800-0079 Illinois U.S.A.
  • 3128000080 | +1 312-800-0080 Illinois U.S.A.
  • 3128000081 | +1 312-800-0081 Illinois U.S.A.
  • 3128000082 | +1 312-800-0082 Illinois U.S.A.
  • 3128000083 | +1 312-800-0083 Illinois U.S.A.
  • 3128000084 | +1 312-800-0084 Illinois U.S.A.
  • 3128000085 | +1 312-800-0085 Illinois U.S.A.
  • 3128000086 | +1 312-800-0086 Illinois U.S.A.
  • 3128000087 | +1 312-800-0087 Illinois U.S.A.
  • 3128000088 | +1 312-800-0088 Illinois U.S.A.
  • 3128000089 | +1 312-800-0089 Illinois U.S.A.
  • 3128000090 | +1 312-800-0090 Illinois U.S.A.
  • 3128000091 | +1 312-800-0091 Illinois U.S.A.
  • 3128000092 | +1 312-800-0092 Illinois U.S.A.
  • 3128000093 | +1 312-800-0093 Illinois U.S.A.
  • 3128000094 | +1 312-800-0094 Illinois U.S.A.
  • 3128000095 | +1 312-800-0095 Illinois U.S.A.
  • 3128000096 | +1 312-800-0096 Illinois U.S.A.
  • 3128000097 | +1 312-800-0097 Illinois U.S.A.
  • 3128000098 | +1 312-800-0098 Illinois U.S.A.
  • 3128000099 | +1 312-800-0099 Illinois U.S.A.