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).

  • 3129215000 | +1 312-921-5000 Illinois U.S.A.
  • 3129215001 | +1 312-921-5001 Illinois U.S.A.
  • 3129215002 | +1 312-921-5002 Illinois U.S.A.
  • 3129215003 | +1 312-921-5003 Illinois U.S.A.
  • 3129215004 | +1 312-921-5004 Illinois U.S.A.
  • 3129215005 | +1 312-921-5005 Illinois U.S.A.
  • 3129215006 | +1 312-921-5006 Illinois U.S.A.
  • 3129215007 | +1 312-921-5007 Illinois U.S.A.
  • 3129215008 | +1 312-921-5008 Illinois U.S.A.
  • 3129215009 | +1 312-921-5009 Illinois U.S.A.
  • 3129215010 | +1 312-921-5010 Illinois U.S.A.
  • 3129215011 | +1 312-921-5011 Illinois U.S.A.
  • 3129215012 | +1 312-921-5012 Illinois U.S.A.
  • 3129215013 | +1 312-921-5013 Illinois U.S.A.
  • 3129215014 | +1 312-921-5014 Illinois U.S.A.
  • 3129215015 | +1 312-921-5015 Illinois U.S.A.
  • 3129215016 | +1 312-921-5016 Illinois U.S.A.
  • 3129215017 | +1 312-921-5017 Illinois U.S.A.
  • 3129215018 | +1 312-921-5018 Illinois U.S.A.
  • 3129215019 | +1 312-921-5019 Illinois U.S.A.
  • 3129215020 | +1 312-921-5020 Illinois U.S.A.
  • 3129215021 | +1 312-921-5021 Illinois U.S.A.
  • 3129215022 | +1 312-921-5022 Illinois U.S.A.
  • 3129215023 | +1 312-921-5023 Illinois U.S.A.
  • 3129215024 | +1 312-921-5024 Illinois U.S.A.
  • 3129215025 | +1 312-921-5025 Illinois U.S.A.
  • 3129215026 | +1 312-921-5026 Illinois U.S.A.
  • 3129215027 | +1 312-921-5027 Illinois U.S.A.
  • 3129215028 | +1 312-921-5028 Illinois U.S.A.
  • 3129215029 | +1 312-921-5029 Illinois U.S.A.
  • 3129215030 | +1 312-921-5030 Illinois U.S.A.
  • 3129215031 | +1 312-921-5031 Illinois U.S.A.
  • 3129215032 | +1 312-921-5032 Illinois U.S.A.
  • 3129215033 | +1 312-921-5033 Illinois U.S.A.
  • 3129215034 | +1 312-921-5034 Illinois U.S.A.
  • 3129215035 | +1 312-921-5035 Illinois U.S.A.
  • 3129215036 | +1 312-921-5036 Illinois U.S.A.
  • 3129215037 | +1 312-921-5037 Illinois U.S.A.
  • 3129215038 | +1 312-921-5038 Illinois U.S.A.
  • 3129215039 | +1 312-921-5039 Illinois U.S.A.
  • 3129215040 | +1 312-921-5040 Illinois U.S.A.
  • 3129215041 | +1 312-921-5041 Illinois U.S.A.
  • 3129215042 | +1 312-921-5042 Illinois U.S.A.
  • 3129215043 | +1 312-921-5043 Illinois U.S.A.
  • 3129215044 | +1 312-921-5044 Illinois U.S.A.
  • 3129215045 | +1 312-921-5045 Illinois U.S.A.
  • 3129215046 | +1 312-921-5046 Illinois U.S.A.
  • 3129215047 | +1 312-921-5047 Illinois U.S.A.
  • 3129215048 | +1 312-921-5048 Illinois U.S.A.
  • 3129215049 | +1 312-921-5049 Illinois U.S.A.
  • 3129215050 | +1 312-921-5050 Illinois U.S.A.
  • 3129215051 | +1 312-921-5051 Illinois U.S.A.
  • 3129215052 | +1 312-921-5052 Illinois U.S.A.
  • 3129215053 | +1 312-921-5053 Illinois U.S.A.
  • 3129215054 | +1 312-921-5054 Illinois U.S.A.
  • 3129215055 | +1 312-921-5055 Illinois U.S.A.
  • 3129215056 | +1 312-921-5056 Illinois U.S.A.
  • 3129215057 | +1 312-921-5057 Illinois U.S.A.
  • 3129215058 | +1 312-921-5058 Illinois U.S.A.
  • 3129215059 | +1 312-921-5059 Illinois U.S.A.
  • 3129215060 | +1 312-921-5060 Illinois U.S.A.
  • 3129215061 | +1 312-921-5061 Illinois U.S.A.
  • 3129215062 | +1 312-921-5062 Illinois U.S.A.
  • 3129215063 | +1 312-921-5063 Illinois U.S.A.
  • 3129215064 | +1 312-921-5064 Illinois U.S.A.
  • 3129215065 | +1 312-921-5065 Illinois U.S.A.
  • 3129215066 | +1 312-921-5066 Illinois U.S.A.
  • 3129215067 | +1 312-921-5067 Illinois U.S.A.
  • 3129215068 | +1 312-921-5068 Illinois U.S.A.
  • 3129215069 | +1 312-921-5069 Illinois U.S.A.
  • 3129215070 | +1 312-921-5070 Illinois U.S.A.
  • 3129215071 | +1 312-921-5071 Illinois U.S.A.
  • 3129215072 | +1 312-921-5072 Illinois U.S.A.
  • 3129215073 | +1 312-921-5073 Illinois U.S.A.
  • 3129215074 | +1 312-921-5074 Illinois U.S.A.
  • 3129215075 | +1 312-921-5075 Illinois U.S.A.
  • 3129215076 | +1 312-921-5076 Illinois U.S.A.
  • 3129215077 | +1 312-921-5077 Illinois U.S.A.
  • 3129215078 | +1 312-921-5078 Illinois U.S.A.
  • 3129215079 | +1 312-921-5079 Illinois U.S.A.
  • 3129215080 | +1 312-921-5080 Illinois U.S.A.
  • 3129215081 | +1 312-921-5081 Illinois U.S.A.
  • 3129215082 | +1 312-921-5082 Illinois U.S.A.
  • 3129215083 | +1 312-921-5083 Illinois U.S.A.
  • 3129215084 | +1 312-921-5084 Illinois U.S.A.
  • 3129215085 | +1 312-921-5085 Illinois U.S.A.
  • 3129215086 | +1 312-921-5086 Illinois U.S.A.
  • 3129215087 | +1 312-921-5087 Illinois U.S.A.
  • 3129215088 | +1 312-921-5088 Illinois U.S.A.
  • 3129215089 | +1 312-921-5089 Illinois U.S.A.
  • 3129215090 | +1 312-921-5090 Illinois U.S.A.
  • 3129215091 | +1 312-921-5091 Illinois U.S.A.
  • 3129215092 | +1 312-921-5092 Illinois U.S.A.
  • 3129215093 | +1 312-921-5093 Illinois U.S.A.
  • 3129215094 | +1 312-921-5094 Illinois U.S.A.
  • 3129215095 | +1 312-921-5095 Illinois U.S.A.
  • 3129215096 | +1 312-921-5096 Illinois U.S.A.
  • 3129215097 | +1 312-921-5097 Illinois U.S.A.
  • 3129215098 | +1 312-921-5098 Illinois U.S.A.
  • 3129215099 | +1 312-921-5099 Illinois U.S.A.