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).

  • 3126730100 | +1 312-673-0100 Illinois U.S.A.
  • 3126730101 | +1 312-673-0101 Illinois U.S.A.
  • 3126730102 | +1 312-673-0102 Illinois U.S.A.
  • 3126730103 | +1 312-673-0103 Illinois U.S.A.
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  • 3126730105 | +1 312-673-0105 Illinois U.S.A.
  • 3126730106 | +1 312-673-0106 Illinois U.S.A.
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  • 3126730108 | +1 312-673-0108 Illinois U.S.A.
  • 3126730109 | +1 312-673-0109 Illinois U.S.A.
  • 3126730110 | +1 312-673-0110 Illinois U.S.A.
  • 3126730111 | +1 312-673-0111 Illinois U.S.A.
  • 3126730112 | +1 312-673-0112 Illinois U.S.A.
  • 3126730113 | +1 312-673-0113 Illinois U.S.A.
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  • 3126730115 | +1 312-673-0115 Illinois U.S.A.
  • 3126730116 | +1 312-673-0116 Illinois U.S.A.
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  • 3126730123 | +1 312-673-0123 Illinois U.S.A.
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  • 3126730137 | +1 312-673-0137 Illinois U.S.A.
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  • 3126730170 | +1 312-673-0170 Illinois U.S.A.
  • 3126730171 | +1 312-673-0171 Illinois U.S.A.
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  • 3126730174 | +1 312-673-0174 Illinois U.S.A.
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  • 3126730176 | +1 312-673-0176 Illinois U.S.A.
  • 3126730177 | +1 312-673-0177 Illinois U.S.A.
  • 3126730178 | +1 312-673-0178 Illinois U.S.A.
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  • 3126730180 | +1 312-673-0180 Illinois U.S.A.
  • 3126730181 | +1 312-673-0181 Illinois U.S.A.
  • 3126730182 | +1 312-673-0182 Illinois U.S.A.
  • 3126730183 | +1 312-673-0183 Illinois U.S.A.
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