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).

  • 3129218000 | +1 312-921-8000 Illinois U.S.A.
  • 3129218001 | +1 312-921-8001 Illinois U.S.A.
  • 3129218002 | +1 312-921-8002 Illinois U.S.A.
  • 3129218003 | +1 312-921-8003 Illinois U.S.A.
  • 3129218004 | +1 312-921-8004 Illinois U.S.A.
  • 3129218005 | +1 312-921-8005 Illinois U.S.A.
  • 3129218006 | +1 312-921-8006 Illinois U.S.A.
  • 3129218007 | +1 312-921-8007 Illinois U.S.A.
  • 3129218008 | +1 312-921-8008 Illinois U.S.A.
  • 3129218009 | +1 312-921-8009 Illinois U.S.A.
  • 3129218010 | +1 312-921-8010 Illinois U.S.A.
  • 3129218011 | +1 312-921-8011 Illinois U.S.A.
  • 3129218012 | +1 312-921-8012 Illinois U.S.A.
  • 3129218013 | +1 312-921-8013 Illinois U.S.A.
  • 3129218014 | +1 312-921-8014 Illinois U.S.A.
  • 3129218015 | +1 312-921-8015 Illinois U.S.A.
  • 3129218016 | +1 312-921-8016 Illinois U.S.A.
  • 3129218017 | +1 312-921-8017 Illinois U.S.A.
  • 3129218018 | +1 312-921-8018 Illinois U.S.A.
  • 3129218019 | +1 312-921-8019 Illinois U.S.A.
  • 3129218020 | +1 312-921-8020 Illinois U.S.A.
  • 3129218021 | +1 312-921-8021 Illinois U.S.A.
  • 3129218022 | +1 312-921-8022 Illinois U.S.A.
  • 3129218023 | +1 312-921-8023 Illinois U.S.A.
  • 3129218024 | +1 312-921-8024 Illinois U.S.A.
  • 3129218025 | +1 312-921-8025 Illinois U.S.A.
  • 3129218026 | +1 312-921-8026 Illinois U.S.A.
  • 3129218027 | +1 312-921-8027 Illinois U.S.A.
  • 3129218028 | +1 312-921-8028 Illinois U.S.A.
  • 3129218029 | +1 312-921-8029 Illinois U.S.A.
  • 3129218030 | +1 312-921-8030 Illinois U.S.A.
  • 3129218031 | +1 312-921-8031 Illinois U.S.A.
  • 3129218032 | +1 312-921-8032 Illinois U.S.A.
  • 3129218033 | +1 312-921-8033 Illinois U.S.A.
  • 3129218034 | +1 312-921-8034 Illinois U.S.A.
  • 3129218035 | +1 312-921-8035 Illinois U.S.A.
  • 3129218036 | +1 312-921-8036 Illinois U.S.A.
  • 3129218037 | +1 312-921-8037 Illinois U.S.A.
  • 3129218038 | +1 312-921-8038 Illinois U.S.A.
  • 3129218039 | +1 312-921-8039 Illinois U.S.A.
  • 3129218040 | +1 312-921-8040 Illinois U.S.A.
  • 3129218041 | +1 312-921-8041 Illinois U.S.A.
  • 3129218042 | +1 312-921-8042 Illinois U.S.A.
  • 3129218043 | +1 312-921-8043 Illinois U.S.A.
  • 3129218044 | +1 312-921-8044 Illinois U.S.A.
  • 3129218045 | +1 312-921-8045 Illinois U.S.A.
  • 3129218046 | +1 312-921-8046 Illinois U.S.A.
  • 3129218047 | +1 312-921-8047 Illinois U.S.A.
  • 3129218048 | +1 312-921-8048 Illinois U.S.A.
  • 3129218049 | +1 312-921-8049 Illinois U.S.A.
  • 3129218050 | +1 312-921-8050 Illinois U.S.A.
  • 3129218051 | +1 312-921-8051 Illinois U.S.A.
  • 3129218052 | +1 312-921-8052 Illinois U.S.A.
  • 3129218053 | +1 312-921-8053 Illinois U.S.A.
  • 3129218054 | +1 312-921-8054 Illinois U.S.A.
  • 3129218055 | +1 312-921-8055 Illinois U.S.A.
  • 3129218056 | +1 312-921-8056 Illinois U.S.A.
  • 3129218057 | +1 312-921-8057 Illinois U.S.A.
  • 3129218058 | +1 312-921-8058 Illinois U.S.A.
  • 3129218059 | +1 312-921-8059 Illinois U.S.A.
  • 3129218060 | +1 312-921-8060 Illinois U.S.A.
  • 3129218061 | +1 312-921-8061 Illinois U.S.A.
  • 3129218062 | +1 312-921-8062 Illinois U.S.A.
  • 3129218063 | +1 312-921-8063 Illinois U.S.A.
  • 3129218064 | +1 312-921-8064 Illinois U.S.A.
  • 3129218065 | +1 312-921-8065 Illinois U.S.A.
  • 3129218066 | +1 312-921-8066 Illinois U.S.A.
  • 3129218067 | +1 312-921-8067 Illinois U.S.A.
  • 3129218068 | +1 312-921-8068 Illinois U.S.A.
  • 3129218069 | +1 312-921-8069 Illinois U.S.A.
  • 3129218070 | +1 312-921-8070 Illinois U.S.A.
  • 3129218071 | +1 312-921-8071 Illinois U.S.A.
  • 3129218072 | +1 312-921-8072 Illinois U.S.A.
  • 3129218073 | +1 312-921-8073 Illinois U.S.A.
  • 3129218074 | +1 312-921-8074 Illinois U.S.A.
  • 3129218075 | +1 312-921-8075 Illinois U.S.A.
  • 3129218076 | +1 312-921-8076 Illinois U.S.A.
  • 3129218077 | +1 312-921-8077 Illinois U.S.A.
  • 3129218078 | +1 312-921-8078 Illinois U.S.A.
  • 3129218079 | +1 312-921-8079 Illinois U.S.A.
  • 3129218080 | +1 312-921-8080 Illinois U.S.A.
  • 3129218081 | +1 312-921-8081 Illinois U.S.A.
  • 3129218082 | +1 312-921-8082 Illinois U.S.A.
  • 3129218083 | +1 312-921-8083 Illinois U.S.A.
  • 3129218084 | +1 312-921-8084 Illinois U.S.A.
  • 3129218085 | +1 312-921-8085 Illinois U.S.A.
  • 3129218086 | +1 312-921-8086 Illinois U.S.A.
  • 3129218087 | +1 312-921-8087 Illinois U.S.A.
  • 3129218088 | +1 312-921-8088 Illinois U.S.A.
  • 3129218089 | +1 312-921-8089 Illinois U.S.A.
  • 3129218090 | +1 312-921-8090 Illinois U.S.A.
  • 3129218091 | +1 312-921-8091 Illinois U.S.A.
  • 3129218092 | +1 312-921-8092 Illinois U.S.A.
  • 3129218093 | +1 312-921-8093 Illinois U.S.A.
  • 3129218094 | +1 312-921-8094 Illinois U.S.A.
  • 3129218095 | +1 312-921-8095 Illinois U.S.A.
  • 3129218096 | +1 312-921-8096 Illinois U.S.A.
  • 3129218097 | +1 312-921-8097 Illinois U.S.A.
  • 3129218098 | +1 312-921-8098 Illinois U.S.A.
  • 3129218099 | +1 312-921-8099 Illinois U.S.A.