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).

  • 3128390100 | +1 312-839-0100 Illinois U.S.A.
  • 3128390101 | +1 312-839-0101 Illinois U.S.A.
  • 3128390102 | +1 312-839-0102 Illinois U.S.A.
  • 3128390103 | +1 312-839-0103 Illinois U.S.A.
  • 3128390104 | +1 312-839-0104 Illinois U.S.A.
  • 3128390105 | +1 312-839-0105 Illinois U.S.A.
  • 3128390106 | +1 312-839-0106 Illinois U.S.A.
  • 3128390107 | +1 312-839-0107 Illinois U.S.A.
  • 3128390108 | +1 312-839-0108 Illinois U.S.A.
  • 3128390109 | +1 312-839-0109 Illinois U.S.A.
  • 3128390110 | +1 312-839-0110 Illinois U.S.A.
  • 3128390111 | +1 312-839-0111 Illinois U.S.A.
  • 3128390112 | +1 312-839-0112 Illinois U.S.A.
  • 3128390113 | +1 312-839-0113 Illinois U.S.A.
  • 3128390114 | +1 312-839-0114 Illinois U.S.A.
  • 3128390115 | +1 312-839-0115 Illinois U.S.A.
  • 3128390116 | +1 312-839-0116 Illinois U.S.A.
  • 3128390117 | +1 312-839-0117 Illinois U.S.A.
  • 3128390118 | +1 312-839-0118 Illinois U.S.A.
  • 3128390119 | +1 312-839-0119 Illinois U.S.A.
  • 3128390120 | +1 312-839-0120 Illinois U.S.A.
  • 3128390121 | +1 312-839-0121 Illinois U.S.A.
  • 3128390122 | +1 312-839-0122 Illinois U.S.A.
  • 3128390123 | +1 312-839-0123 Illinois U.S.A.
  • 3128390124 | +1 312-839-0124 Illinois U.S.A.
  • 3128390125 | +1 312-839-0125 Illinois U.S.A.
  • 3128390126 | +1 312-839-0126 Illinois U.S.A.
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  • 3128390147 | +1 312-839-0147 Illinois U.S.A.
  • 3128390148 | +1 312-839-0148 Illinois U.S.A.
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  • 3128390151 | +1 312-839-0151 Illinois U.S.A.
  • 3128390152 | +1 312-839-0152 Illinois U.S.A.
  • 3128390153 | +1 312-839-0153 Illinois U.S.A.
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  • 3128390155 | +1 312-839-0155 Illinois U.S.A.
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  • 3128390166 | +1 312-839-0166 Illinois U.S.A.
  • 3128390167 | +1 312-839-0167 Illinois U.S.A.
  • 3128390168 | +1 312-839-0168 Illinois U.S.A.
  • 3128390169 | +1 312-839-0169 Illinois U.S.A.
  • 3128390170 | +1 312-839-0170 Illinois U.S.A.
  • 3128390171 | +1 312-839-0171 Illinois U.S.A.
  • 3128390172 | +1 312-839-0172 Illinois U.S.A.
  • 3128390173 | +1 312-839-0173 Illinois U.S.A.
  • 3128390174 | +1 312-839-0174 Illinois U.S.A.
  • 3128390175 | +1 312-839-0175 Illinois U.S.A.
  • 3128390176 | +1 312-839-0176 Illinois U.S.A.
  • 3128390177 | +1 312-839-0177 Illinois U.S.A.
  • 3128390178 | +1 312-839-0178 Illinois U.S.A.
  • 3128390179 | +1 312-839-0179 Illinois U.S.A.
  • 3128390180 | +1 312-839-0180 Illinois U.S.A.
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  • 3128390194 | +1 312-839-0194 Illinois U.S.A.
  • 3128390195 | +1 312-839-0195 Illinois U.S.A.
  • 3128390196 | +1 312-839-0196 Illinois U.S.A.
  • 3128390197 | +1 312-839-0197 Illinois U.S.A.
  • 3128390198 | +1 312-839-0198 Illinois U.S.A.
  • 3128390199 | +1 312-839-0199 Illinois U.S.A.