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).

  • 3125667100 | +1 312-566-7100 Illinois U.S.A.
  • 3125667101 | +1 312-566-7101 Illinois U.S.A.
  • 3125667102 | +1 312-566-7102 Illinois U.S.A.
  • 3125667103 | +1 312-566-7103 Illinois U.S.A.
  • 3125667104 | +1 312-566-7104 Illinois U.S.A.
  • 3125667105 | +1 312-566-7105 Illinois U.S.A.
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  • 3125667110 | +1 312-566-7110 Illinois U.S.A.
  • 3125667111 | +1 312-566-7111 Illinois U.S.A.
  • 3125667112 | +1 312-566-7112 Illinois U.S.A.
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  • 3125667119 | +1 312-566-7119 Illinois U.S.A.
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  • 3125667150 | +1 312-566-7150 Illinois U.S.A.
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  • 3125667156 | +1 312-566-7156 Illinois U.S.A.
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  • 3125667158 | +1 312-566-7158 Illinois U.S.A.
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  • 3125667167 | +1 312-566-7167 Illinois U.S.A.
  • 3125667168 | +1 312-566-7168 Illinois U.S.A.
  • 3125667169 | +1 312-566-7169 Illinois U.S.A.
  • 3125667170 | +1 312-566-7170 Illinois U.S.A.
  • 3125667171 | +1 312-566-7171 Illinois U.S.A.
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  • 3125667173 | +1 312-566-7173 Illinois U.S.A.
  • 3125667174 | +1 312-566-7174 Illinois U.S.A.
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  • 3125667176 | +1 312-566-7176 Illinois U.S.A.
  • 3125667177 | +1 312-566-7177 Illinois U.S.A.
  • 3125667178 | +1 312-566-7178 Illinois U.S.A.
  • 3125667179 | +1 312-566-7179 Illinois U.S.A.
  • 3125667180 | +1 312-566-7180 Illinois U.S.A.
  • 3125667181 | +1 312-566-7181 Illinois U.S.A.
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  • 3125667196 | +1 312-566-7196 Illinois U.S.A.
  • 3125667197 | +1 312-566-7197 Illinois U.S.A.
  • 3125667198 | +1 312-566-7198 Illinois U.S.A.
  • 3125667199 | +1 312-566-7199 Illinois U.S.A.