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).

  • 3122420100 | +1 312-242-0100 Illinois U.S.A.
  • 3122420101 | +1 312-242-0101 Illinois U.S.A.
  • 3122420102 | +1 312-242-0102 Illinois U.S.A.
  • 3122420103 | +1 312-242-0103 Illinois U.S.A.
  • 3122420104 | +1 312-242-0104 Illinois U.S.A.
  • 3122420105 | +1 312-242-0105 Illinois U.S.A.
  • 3122420106 | +1 312-242-0106 Illinois U.S.A.
  • 3122420107 | +1 312-242-0107 Illinois U.S.A.
  • 3122420108 | +1 312-242-0108 Illinois U.S.A.
  • 3122420109 | +1 312-242-0109 Illinois U.S.A.
  • 3122420110 | +1 312-242-0110 Illinois U.S.A.
  • 3122420111 | +1 312-242-0111 Illinois U.S.A.
  • 3122420112 | +1 312-242-0112 Illinois U.S.A.
  • 3122420113 | +1 312-242-0113 Illinois U.S.A.
  • 3122420114 | +1 312-242-0114 Illinois U.S.A.
  • 3122420115 | +1 312-242-0115 Illinois U.S.A.
  • 3122420116 | +1 312-242-0116 Illinois U.S.A.
  • 3122420117 | +1 312-242-0117 Illinois U.S.A.
  • 3122420118 | +1 312-242-0118 Illinois U.S.A.
  • 3122420119 | +1 312-242-0119 Illinois U.S.A.
  • 3122420120 | +1 312-242-0120 Illinois U.S.A.
  • 3122420121 | +1 312-242-0121 Illinois U.S.A.
  • 3122420122 | +1 312-242-0122 Illinois U.S.A.
  • 3122420123 | +1 312-242-0123 Illinois U.S.A.
  • 3122420124 | +1 312-242-0124 Illinois U.S.A.
  • 3122420125 | +1 312-242-0125 Illinois U.S.A.
  • 3122420126 | +1 312-242-0126 Illinois U.S.A.
  • 3122420127 | +1 312-242-0127 Illinois U.S.A.
  • 3122420128 | +1 312-242-0128 Illinois U.S.A.
  • 3122420129 | +1 312-242-0129 Illinois U.S.A.
  • 3122420130 | +1 312-242-0130 Illinois U.S.A.
  • 3122420131 | +1 312-242-0131 Illinois U.S.A.
  • 3122420132 | +1 312-242-0132 Illinois U.S.A.
  • 3122420133 | +1 312-242-0133 Illinois U.S.A.
  • 3122420134 | +1 312-242-0134 Illinois U.S.A.
  • 3122420135 | +1 312-242-0135 Illinois U.S.A.
  • 3122420136 | +1 312-242-0136 Illinois U.S.A.
  • 3122420137 | +1 312-242-0137 Illinois U.S.A.
  • 3122420138 | +1 312-242-0138 Illinois U.S.A.
  • 3122420139 | +1 312-242-0139 Illinois U.S.A.
  • 3122420140 | +1 312-242-0140 Illinois U.S.A.
  • 3122420141 | +1 312-242-0141 Illinois U.S.A.
  • 3122420142 | +1 312-242-0142 Illinois U.S.A.
  • 3122420143 | +1 312-242-0143 Illinois U.S.A.
  • 3122420144 | +1 312-242-0144 Illinois U.S.A.
  • 3122420145 | +1 312-242-0145 Illinois U.S.A.
  • 3122420146 | +1 312-242-0146 Illinois U.S.A.
  • 3122420147 | +1 312-242-0147 Illinois U.S.A.
  • 3122420148 | +1 312-242-0148 Illinois U.S.A.
  • 3122420149 | +1 312-242-0149 Illinois U.S.A.
  • 3122420150 | +1 312-242-0150 Illinois U.S.A.
  • 3122420151 | +1 312-242-0151 Illinois U.S.A.
  • 3122420152 | +1 312-242-0152 Illinois U.S.A.
  • 3122420153 | +1 312-242-0153 Illinois U.S.A.
  • 3122420154 | +1 312-242-0154 Illinois U.S.A.
  • 3122420155 | +1 312-242-0155 Illinois U.S.A.
  • 3122420156 | +1 312-242-0156 Illinois U.S.A.
  • 3122420157 | +1 312-242-0157 Illinois U.S.A.
  • 3122420158 | +1 312-242-0158 Illinois U.S.A.
  • 3122420159 | +1 312-242-0159 Illinois U.S.A.
  • 3122420160 | +1 312-242-0160 Illinois U.S.A.
  • 3122420161 | +1 312-242-0161 Illinois U.S.A.
  • 3122420162 | +1 312-242-0162 Illinois U.S.A.
  • 3122420163 | +1 312-242-0163 Illinois U.S.A.
  • 3122420164 | +1 312-242-0164 Illinois U.S.A.
  • 3122420165 | +1 312-242-0165 Illinois U.S.A.
  • 3122420166 | +1 312-242-0166 Illinois U.S.A.
  • 3122420167 | +1 312-242-0167 Illinois U.S.A.
  • 3122420168 | +1 312-242-0168 Illinois U.S.A.
  • 3122420169 | +1 312-242-0169 Illinois U.S.A.
  • 3122420170 | +1 312-242-0170 Illinois U.S.A.
  • 3122420171 | +1 312-242-0171 Illinois U.S.A.
  • 3122420172 | +1 312-242-0172 Illinois U.S.A.
  • 3122420173 | +1 312-242-0173 Illinois U.S.A.
  • 3122420174 | +1 312-242-0174 Illinois U.S.A.
  • 3122420175 | +1 312-242-0175 Illinois U.S.A.
  • 3122420176 | +1 312-242-0176 Illinois U.S.A.
  • 3122420177 | +1 312-242-0177 Illinois U.S.A.
  • 3122420178 | +1 312-242-0178 Illinois U.S.A.
  • 3122420179 | +1 312-242-0179 Illinois U.S.A.
  • 3122420180 | +1 312-242-0180 Illinois U.S.A.
  • 3122420181 | +1 312-242-0181 Illinois U.S.A.
  • 3122420182 | +1 312-242-0182 Illinois U.S.A.
  • 3122420183 | +1 312-242-0183 Illinois U.S.A.
  • 3122420184 | +1 312-242-0184 Illinois U.S.A.
  • 3122420185 | +1 312-242-0185 Illinois U.S.A.
  • 3122420186 | +1 312-242-0186 Illinois U.S.A.
  • 3122420187 | +1 312-242-0187 Illinois U.S.A.
  • 3122420188 | +1 312-242-0188 Illinois U.S.A.
  • 3122420189 | +1 312-242-0189 Illinois U.S.A.
  • 3122420190 | +1 312-242-0190 Illinois U.S.A.
  • 3122420191 | +1 312-242-0191 Illinois U.S.A.
  • 3122420192 | +1 312-242-0192 Illinois U.S.A.
  • 3122420193 | +1 312-242-0193 Illinois U.S.A.
  • 3122420194 | +1 312-242-0194 Illinois U.S.A.
  • 3122420195 | +1 312-242-0195 Illinois U.S.A.
  • 3122420196 | +1 312-242-0196 Illinois U.S.A.
  • 3122420197 | +1 312-242-0197 Illinois U.S.A.
  • 3122420198 | +1 312-242-0198 Illinois U.S.A.
  • 3122420199 | +1 312-242-0199 Illinois U.S.A.