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).

  • 3123370000 | +1 312-337-0000 Illinois U.S.A.
  • 3123370001 | +1 312-337-0001 Illinois U.S.A.
  • 3123370002 | +1 312-337-0002 Illinois U.S.A.
  • 3123370003 | +1 312-337-0003 Illinois U.S.A.
  • 3123370004 | +1 312-337-0004 Illinois U.S.A.
  • 3123370005 | +1 312-337-0005 Illinois U.S.A.
  • 3123370006 | +1 312-337-0006 Illinois U.S.A.
  • 3123370007 | +1 312-337-0007 Illinois U.S.A.
  • 3123370008 | +1 312-337-0008 Illinois U.S.A.
  • 3123370009 | +1 312-337-0009 Illinois U.S.A.
  • 3123370010 | +1 312-337-0010 Illinois U.S.A.
  • 3123370011 | +1 312-337-0011 Illinois U.S.A.
  • 3123370012 | +1 312-337-0012 Illinois U.S.A.
  • 3123370013 | +1 312-337-0013 Illinois U.S.A.
  • 3123370014 | +1 312-337-0014 Illinois U.S.A.
  • 3123370015 | +1 312-337-0015 Illinois U.S.A.
  • 3123370016 | +1 312-337-0016 Illinois U.S.A.
  • 3123370017 | +1 312-337-0017 Illinois U.S.A.
  • 3123370018 | +1 312-337-0018 Illinois U.S.A.
  • 3123370019 | +1 312-337-0019 Illinois U.S.A.
  • 3123370020 | +1 312-337-0020 Illinois U.S.A.
  • 3123370021 | +1 312-337-0021 Illinois U.S.A.
  • 3123370022 | +1 312-337-0022 Illinois U.S.A.
  • 3123370023 | +1 312-337-0023 Illinois U.S.A.
  • 3123370024 | +1 312-337-0024 Illinois U.S.A.
  • 3123370025 | +1 312-337-0025 Illinois U.S.A.
  • 3123370026 | +1 312-337-0026 Illinois U.S.A.
  • 3123370027 | +1 312-337-0027 Illinois U.S.A.
  • 3123370028 | +1 312-337-0028 Illinois U.S.A.
  • 3123370029 | +1 312-337-0029 Illinois U.S.A.
  • 3123370030 | +1 312-337-0030 Illinois U.S.A.
  • 3123370031 | +1 312-337-0031 Illinois U.S.A.
  • 3123370032 | +1 312-337-0032 Illinois U.S.A.
  • 3123370033 | +1 312-337-0033 Illinois U.S.A.
  • 3123370034 | +1 312-337-0034 Illinois U.S.A.
  • 3123370035 | +1 312-337-0035 Illinois U.S.A.
  • 3123370036 | +1 312-337-0036 Illinois U.S.A.
  • 3123370037 | +1 312-337-0037 Illinois U.S.A.
  • 3123370038 | +1 312-337-0038 Illinois U.S.A.
  • 3123370039 | +1 312-337-0039 Illinois U.S.A.
  • 3123370040 | +1 312-337-0040 Illinois U.S.A.
  • 3123370041 | +1 312-337-0041 Illinois U.S.A.
  • 3123370042 | +1 312-337-0042 Illinois U.S.A.
  • 3123370043 | +1 312-337-0043 Illinois U.S.A.
  • 3123370044 | +1 312-337-0044 Illinois U.S.A.
  • 3123370045 | +1 312-337-0045 Illinois U.S.A.
  • 3123370046 | +1 312-337-0046 Illinois U.S.A.
  • 3123370047 | +1 312-337-0047 Illinois U.S.A.
  • 3123370048 | +1 312-337-0048 Illinois U.S.A.
  • 3123370049 | +1 312-337-0049 Illinois U.S.A.
  • 3123370050 | +1 312-337-0050 Illinois U.S.A.
  • 3123370051 | +1 312-337-0051 Illinois U.S.A.
  • 3123370052 | +1 312-337-0052 Illinois U.S.A.
  • 3123370053 | +1 312-337-0053 Illinois U.S.A.
  • 3123370054 | +1 312-337-0054 Illinois U.S.A.
  • 3123370055 | +1 312-337-0055 Illinois U.S.A.
  • 3123370056 | +1 312-337-0056 Illinois U.S.A.
  • 3123370057 | +1 312-337-0057 Illinois U.S.A.
  • 3123370058 | +1 312-337-0058 Illinois U.S.A.
  • 3123370059 | +1 312-337-0059 Illinois U.S.A.
  • 3123370060 | +1 312-337-0060 Illinois U.S.A.
  • 3123370061 | +1 312-337-0061 Illinois U.S.A.
  • 3123370062 | +1 312-337-0062 Illinois U.S.A.
  • 3123370063 | +1 312-337-0063 Illinois U.S.A.
  • 3123370064 | +1 312-337-0064 Illinois U.S.A.
  • 3123370065 | +1 312-337-0065 Illinois U.S.A.
  • 3123370066 | +1 312-337-0066 Illinois U.S.A.
  • 3123370067 | +1 312-337-0067 Illinois U.S.A.
  • 3123370068 | +1 312-337-0068 Illinois U.S.A.
  • 3123370069 | +1 312-337-0069 Illinois U.S.A.
  • 3123370070 | +1 312-337-0070 Illinois U.S.A.
  • 3123370071 | +1 312-337-0071 Illinois U.S.A.
  • 3123370072 | +1 312-337-0072 Illinois U.S.A.
  • 3123370073 | +1 312-337-0073 Illinois U.S.A.
  • 3123370074 | +1 312-337-0074 Illinois U.S.A.
  • 3123370075 | +1 312-337-0075 Illinois U.S.A.
  • 3123370076 | +1 312-337-0076 Illinois U.S.A.
  • 3123370077 | +1 312-337-0077 Illinois U.S.A.
  • 3123370078 | +1 312-337-0078 Illinois U.S.A.
  • 3123370079 | +1 312-337-0079 Illinois U.S.A.
  • 3123370080 | +1 312-337-0080 Illinois U.S.A.
  • 3123370081 | +1 312-337-0081 Illinois U.S.A.
  • 3123370082 | +1 312-337-0082 Illinois U.S.A.
  • 3123370083 | +1 312-337-0083 Illinois U.S.A.
  • 3123370084 | +1 312-337-0084 Illinois U.S.A.
  • 3123370085 | +1 312-337-0085 Illinois U.S.A.
  • 3123370086 | +1 312-337-0086 Illinois U.S.A.
  • 3123370087 | +1 312-337-0087 Illinois U.S.A.
  • 3123370088 | +1 312-337-0088 Illinois U.S.A.
  • 3123370089 | +1 312-337-0089 Illinois U.S.A.
  • 3123370090 | +1 312-337-0090 Illinois U.S.A.
  • 3123370091 | +1 312-337-0091 Illinois U.S.A.
  • 3123370092 | +1 312-337-0092 Illinois U.S.A.
  • 3123370093 | +1 312-337-0093 Illinois U.S.A.
  • 3123370094 | +1 312-337-0094 Illinois U.S.A.
  • 3123370095 | +1 312-337-0095 Illinois U.S.A.
  • 3123370096 | +1 312-337-0096 Illinois U.S.A.
  • 3123370097 | +1 312-337-0097 Illinois U.S.A.
  • 3123370098 | +1 312-337-0098 Illinois U.S.A.
  • 3123370099 | +1 312-337-0099 Illinois U.S.A.