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).

  • 3129450000 | +1 312-945-0000 Illinois U.S.A.
  • 3129450001 | +1 312-945-0001 Illinois U.S.A.
  • 3129450002 | +1 312-945-0002 Illinois U.S.A.
  • 3129450003 | +1 312-945-0003 Illinois U.S.A.
  • 3129450004 | +1 312-945-0004 Illinois U.S.A.
  • 3129450005 | +1 312-945-0005 Illinois U.S.A.
  • 3129450006 | +1 312-945-0006 Illinois U.S.A.
  • 3129450007 | +1 312-945-0007 Illinois U.S.A.
  • 3129450008 | +1 312-945-0008 Illinois U.S.A.
  • 3129450009 | +1 312-945-0009 Illinois U.S.A.
  • 3129450010 | +1 312-945-0010 Illinois U.S.A.
  • 3129450011 | +1 312-945-0011 Illinois U.S.A.
  • 3129450012 | +1 312-945-0012 Illinois U.S.A.
  • 3129450013 | +1 312-945-0013 Illinois U.S.A.
  • 3129450014 | +1 312-945-0014 Illinois U.S.A.
  • 3129450015 | +1 312-945-0015 Illinois U.S.A.
  • 3129450016 | +1 312-945-0016 Illinois U.S.A.
  • 3129450017 | +1 312-945-0017 Illinois U.S.A.
  • 3129450018 | +1 312-945-0018 Illinois U.S.A.
  • 3129450019 | +1 312-945-0019 Illinois U.S.A.
  • 3129450020 | +1 312-945-0020 Illinois U.S.A.
  • 3129450021 | +1 312-945-0021 Illinois U.S.A.
  • 3129450022 | +1 312-945-0022 Illinois U.S.A.
  • 3129450023 | +1 312-945-0023 Illinois U.S.A.
  • 3129450024 | +1 312-945-0024 Illinois U.S.A.
  • 3129450025 | +1 312-945-0025 Illinois U.S.A.
  • 3129450026 | +1 312-945-0026 Illinois U.S.A.
  • 3129450027 | +1 312-945-0027 Illinois U.S.A.
  • 3129450028 | +1 312-945-0028 Illinois U.S.A.
  • 3129450029 | +1 312-945-0029 Illinois U.S.A.
  • 3129450030 | +1 312-945-0030 Illinois U.S.A.
  • 3129450031 | +1 312-945-0031 Illinois U.S.A.
  • 3129450032 | +1 312-945-0032 Illinois U.S.A.
  • 3129450033 | +1 312-945-0033 Illinois U.S.A.
  • 3129450034 | +1 312-945-0034 Illinois U.S.A.
  • 3129450035 | +1 312-945-0035 Illinois U.S.A.
  • 3129450036 | +1 312-945-0036 Illinois U.S.A.
  • 3129450037 | +1 312-945-0037 Illinois U.S.A.
  • 3129450038 | +1 312-945-0038 Illinois U.S.A.
  • 3129450039 | +1 312-945-0039 Illinois U.S.A.
  • 3129450040 | +1 312-945-0040 Illinois U.S.A.
  • 3129450041 | +1 312-945-0041 Illinois U.S.A.
  • 3129450042 | +1 312-945-0042 Illinois U.S.A.
  • 3129450043 | +1 312-945-0043 Illinois U.S.A.
  • 3129450044 | +1 312-945-0044 Illinois U.S.A.
  • 3129450045 | +1 312-945-0045 Illinois U.S.A.
  • 3129450046 | +1 312-945-0046 Illinois U.S.A.
  • 3129450047 | +1 312-945-0047 Illinois U.S.A.
  • 3129450048 | +1 312-945-0048 Illinois U.S.A.
  • 3129450049 | +1 312-945-0049 Illinois U.S.A.
  • 3129450050 | +1 312-945-0050 Illinois U.S.A.
  • 3129450051 | +1 312-945-0051 Illinois U.S.A.
  • 3129450052 | +1 312-945-0052 Illinois U.S.A.
  • 3129450053 | +1 312-945-0053 Illinois U.S.A.
  • 3129450054 | +1 312-945-0054 Illinois U.S.A.
  • 3129450055 | +1 312-945-0055 Illinois U.S.A.
  • 3129450056 | +1 312-945-0056 Illinois U.S.A.
  • 3129450057 | +1 312-945-0057 Illinois U.S.A.
  • 3129450058 | +1 312-945-0058 Illinois U.S.A.
  • 3129450059 | +1 312-945-0059 Illinois U.S.A.
  • 3129450060 | +1 312-945-0060 Illinois U.S.A.
  • 3129450061 | +1 312-945-0061 Illinois U.S.A.
  • 3129450062 | +1 312-945-0062 Illinois U.S.A.
  • 3129450063 | +1 312-945-0063 Illinois U.S.A.
  • 3129450064 | +1 312-945-0064 Illinois U.S.A.
  • 3129450065 | +1 312-945-0065 Illinois U.S.A.
  • 3129450066 | +1 312-945-0066 Illinois U.S.A.
  • 3129450067 | +1 312-945-0067 Illinois U.S.A.
  • 3129450068 | +1 312-945-0068 Illinois U.S.A.
  • 3129450069 | +1 312-945-0069 Illinois U.S.A.
  • 3129450070 | +1 312-945-0070 Illinois U.S.A.
  • 3129450071 | +1 312-945-0071 Illinois U.S.A.
  • 3129450072 | +1 312-945-0072 Illinois U.S.A.
  • 3129450073 | +1 312-945-0073 Illinois U.S.A.
  • 3129450074 | +1 312-945-0074 Illinois U.S.A.
  • 3129450075 | +1 312-945-0075 Illinois U.S.A.
  • 3129450076 | +1 312-945-0076 Illinois U.S.A.
  • 3129450077 | +1 312-945-0077 Illinois U.S.A.
  • 3129450078 | +1 312-945-0078 Illinois U.S.A.
  • 3129450079 | +1 312-945-0079 Illinois U.S.A.
  • 3129450080 | +1 312-945-0080 Illinois U.S.A.
  • 3129450081 | +1 312-945-0081 Illinois U.S.A.
  • 3129450082 | +1 312-945-0082 Illinois U.S.A.
  • 3129450083 | +1 312-945-0083 Illinois U.S.A.
  • 3129450084 | +1 312-945-0084 Illinois U.S.A.
  • 3129450085 | +1 312-945-0085 Illinois U.S.A.
  • 3129450086 | +1 312-945-0086 Illinois U.S.A.
  • 3129450087 | +1 312-945-0087 Illinois U.S.A.
  • 3129450088 | +1 312-945-0088 Illinois U.S.A.
  • 3129450089 | +1 312-945-0089 Illinois U.S.A.
  • 3129450090 | +1 312-945-0090 Illinois U.S.A.
  • 3129450091 | +1 312-945-0091 Illinois U.S.A.
  • 3129450092 | +1 312-945-0092 Illinois U.S.A.
  • 3129450093 | +1 312-945-0093 Illinois U.S.A.
  • 3129450094 | +1 312-945-0094 Illinois U.S.A.
  • 3129450095 | +1 312-945-0095 Illinois U.S.A.
  • 3129450096 | +1 312-945-0096 Illinois U.S.A.
  • 3129450097 | +1 312-945-0097 Illinois U.S.A.
  • 3129450098 | +1 312-945-0098 Illinois U.S.A.
  • 3129450099 | +1 312-945-0099 Illinois U.S.A.