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).

  • 3128500100 | +1 312-850-0100 Illinois U.S.A.
  • 3128500101 | +1 312-850-0101 Illinois U.S.A.
  • 3128500102 | +1 312-850-0102 Illinois U.S.A.
  • 3128500103 | +1 312-850-0103 Illinois U.S.A.
  • 3128500104 | +1 312-850-0104 Illinois U.S.A.
  • 3128500105 | +1 312-850-0105 Illinois U.S.A.
  • 3128500106 | +1 312-850-0106 Illinois U.S.A.
  • 3128500107 | +1 312-850-0107 Illinois U.S.A.
  • 3128500108 | +1 312-850-0108 Illinois U.S.A.
  • 3128500109 | +1 312-850-0109 Illinois U.S.A.
  • 3128500110 | +1 312-850-0110 Illinois U.S.A.
  • 3128500111 | +1 312-850-0111 Illinois U.S.A.
  • 3128500112 | +1 312-850-0112 Illinois U.S.A.
  • 3128500113 | +1 312-850-0113 Illinois U.S.A.
  • 3128500114 | +1 312-850-0114 Illinois U.S.A.
  • 3128500115 | +1 312-850-0115 Illinois U.S.A.
  • 3128500116 | +1 312-850-0116 Illinois U.S.A.
  • 3128500117 | +1 312-850-0117 Illinois U.S.A.
  • 3128500118 | +1 312-850-0118 Illinois U.S.A.
  • 3128500119 | +1 312-850-0119 Illinois U.S.A.
  • 3128500120 | +1 312-850-0120 Illinois U.S.A.
  • 3128500121 | +1 312-850-0121 Illinois U.S.A.
  • 3128500122 | +1 312-850-0122 Illinois U.S.A.
  • 3128500123 | +1 312-850-0123 Illinois U.S.A.
  • 3128500124 | +1 312-850-0124 Illinois U.S.A.
  • 3128500125 | +1 312-850-0125 Illinois U.S.A.
  • 3128500126 | +1 312-850-0126 Illinois U.S.A.
  • 3128500127 | +1 312-850-0127 Illinois U.S.A.
  • 3128500128 | +1 312-850-0128 Illinois U.S.A.
  • 3128500129 | +1 312-850-0129 Illinois U.S.A.
  • 3128500130 | +1 312-850-0130 Illinois U.S.A.
  • 3128500131 | +1 312-850-0131 Illinois U.S.A.
  • 3128500132 | +1 312-850-0132 Illinois U.S.A.
  • 3128500133 | +1 312-850-0133 Illinois U.S.A.
  • 3128500134 | +1 312-850-0134 Illinois U.S.A.
  • 3128500135 | +1 312-850-0135 Illinois U.S.A.
  • 3128500136 | +1 312-850-0136 Illinois U.S.A.
  • 3128500137 | +1 312-850-0137 Illinois U.S.A.
  • 3128500138 | +1 312-850-0138 Illinois U.S.A.
  • 3128500139 | +1 312-850-0139 Illinois U.S.A.
  • 3128500140 | +1 312-850-0140 Illinois U.S.A.
  • 3128500141 | +1 312-850-0141 Illinois U.S.A.
  • 3128500142 | +1 312-850-0142 Illinois U.S.A.
  • 3128500143 | +1 312-850-0143 Illinois U.S.A.
  • 3128500144 | +1 312-850-0144 Illinois U.S.A.
  • 3128500145 | +1 312-850-0145 Illinois U.S.A.
  • 3128500146 | +1 312-850-0146 Illinois U.S.A.
  • 3128500147 | +1 312-850-0147 Illinois U.S.A.
  • 3128500148 | +1 312-850-0148 Illinois U.S.A.
  • 3128500149 | +1 312-850-0149 Illinois U.S.A.
  • 3128500150 | +1 312-850-0150 Illinois U.S.A.
  • 3128500151 | +1 312-850-0151 Illinois U.S.A.
  • 3128500152 | +1 312-850-0152 Illinois U.S.A.
  • 3128500153 | +1 312-850-0153 Illinois U.S.A.
  • 3128500154 | +1 312-850-0154 Illinois U.S.A.
  • 3128500155 | +1 312-850-0155 Illinois U.S.A.
  • 3128500156 | +1 312-850-0156 Illinois U.S.A.
  • 3128500157 | +1 312-850-0157 Illinois U.S.A.
  • 3128500158 | +1 312-850-0158 Illinois U.S.A.
  • 3128500159 | +1 312-850-0159 Illinois U.S.A.
  • 3128500160 | +1 312-850-0160 Illinois U.S.A.
  • 3128500161 | +1 312-850-0161 Illinois U.S.A.
  • 3128500162 | +1 312-850-0162 Illinois U.S.A.
  • 3128500163 | +1 312-850-0163 Illinois U.S.A.
  • 3128500164 | +1 312-850-0164 Illinois U.S.A.
  • 3128500165 | +1 312-850-0165 Illinois U.S.A.
  • 3128500166 | +1 312-850-0166 Illinois U.S.A.
  • 3128500167 | +1 312-850-0167 Illinois U.S.A.
  • 3128500168 | +1 312-850-0168 Illinois U.S.A.
  • 3128500169 | +1 312-850-0169 Illinois U.S.A.
  • 3128500170 | +1 312-850-0170 Illinois U.S.A.
  • 3128500171 | +1 312-850-0171 Illinois U.S.A.
  • 3128500172 | +1 312-850-0172 Illinois U.S.A.
  • 3128500173 | +1 312-850-0173 Illinois U.S.A.
  • 3128500174 | +1 312-850-0174 Illinois U.S.A.
  • 3128500175 | +1 312-850-0175 Illinois U.S.A.
  • 3128500176 | +1 312-850-0176 Illinois U.S.A.
  • 3128500177 | +1 312-850-0177 Illinois U.S.A.
  • 3128500178 | +1 312-850-0178 Illinois U.S.A.
  • 3128500179 | +1 312-850-0179 Illinois U.S.A.
  • 3128500180 | +1 312-850-0180 Illinois U.S.A.
  • 3128500181 | +1 312-850-0181 Illinois U.S.A.
  • 3128500182 | +1 312-850-0182 Illinois U.S.A.
  • 3128500183 | +1 312-850-0183 Illinois U.S.A.
  • 3128500184 | +1 312-850-0184 Illinois U.S.A.
  • 3128500185 | +1 312-850-0185 Illinois U.S.A.
  • 3128500186 | +1 312-850-0186 Illinois U.S.A.
  • 3128500187 | +1 312-850-0187 Illinois U.S.A.
  • 3128500188 | +1 312-850-0188 Illinois U.S.A.
  • 3128500189 | +1 312-850-0189 Illinois U.S.A.
  • 3128500190 | +1 312-850-0190 Illinois U.S.A.
  • 3128500191 | +1 312-850-0191 Illinois U.S.A.
  • 3128500192 | +1 312-850-0192 Illinois U.S.A.
  • 3128500193 | +1 312-850-0193 Illinois U.S.A.
  • 3128500194 | +1 312-850-0194 Illinois U.S.A.
  • 3128500195 | +1 312-850-0195 Illinois U.S.A.
  • 3128500196 | +1 312-850-0196 Illinois U.S.A.
  • 3128500197 | +1 312-850-0197 Illinois U.S.A.
  • 3128500198 | +1 312-850-0198 Illinois U.S.A.
  • 3128500199 | +1 312-850-0199 Illinois U.S.A.