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).

  • 3122280100 | +1 312-228-0100 Illinois U.S.A.
  • 3122280101 | +1 312-228-0101 Illinois U.S.A.
  • 3122280102 | +1 312-228-0102 Illinois U.S.A.
  • 3122280103 | +1 312-228-0103 Illinois U.S.A.
  • 3122280104 | +1 312-228-0104 Illinois U.S.A.
  • 3122280105 | +1 312-228-0105 Illinois U.S.A.
  • 3122280106 | +1 312-228-0106 Illinois U.S.A.
  • 3122280107 | +1 312-228-0107 Illinois U.S.A.
  • 3122280108 | +1 312-228-0108 Illinois U.S.A.
  • 3122280109 | +1 312-228-0109 Illinois U.S.A.
  • 3122280110 | +1 312-228-0110 Illinois U.S.A.
  • 3122280111 | +1 312-228-0111 Illinois U.S.A.
  • 3122280112 | +1 312-228-0112 Illinois U.S.A.
  • 3122280113 | +1 312-228-0113 Illinois U.S.A.
  • 3122280114 | +1 312-228-0114 Illinois U.S.A.
  • 3122280115 | +1 312-228-0115 Illinois U.S.A.
  • 3122280116 | +1 312-228-0116 Illinois U.S.A.
  • 3122280117 | +1 312-228-0117 Illinois U.S.A.
  • 3122280118 | +1 312-228-0118 Illinois U.S.A.
  • 3122280119 | +1 312-228-0119 Illinois U.S.A.
  • 3122280120 | +1 312-228-0120 Illinois U.S.A.
  • 3122280121 | +1 312-228-0121 Illinois U.S.A.
  • 3122280122 | +1 312-228-0122 Illinois U.S.A.
  • 3122280123 | +1 312-228-0123 Illinois U.S.A.
  • 3122280124 | +1 312-228-0124 Illinois U.S.A.
  • 3122280125 | +1 312-228-0125 Illinois U.S.A.
  • 3122280126 | +1 312-228-0126 Illinois U.S.A.
  • 3122280127 | +1 312-228-0127 Illinois U.S.A.
  • 3122280128 | +1 312-228-0128 Illinois U.S.A.
  • 3122280129 | +1 312-228-0129 Illinois U.S.A.
  • 3122280130 | +1 312-228-0130 Illinois U.S.A.
  • 3122280131 | +1 312-228-0131 Illinois U.S.A.
  • 3122280132 | +1 312-228-0132 Illinois U.S.A.
  • 3122280133 | +1 312-228-0133 Illinois U.S.A.
  • 3122280134 | +1 312-228-0134 Illinois U.S.A.
  • 3122280135 | +1 312-228-0135 Illinois U.S.A.
  • 3122280136 | +1 312-228-0136 Illinois U.S.A.
  • 3122280137 | +1 312-228-0137 Illinois U.S.A.
  • 3122280138 | +1 312-228-0138 Illinois U.S.A.
  • 3122280139 | +1 312-228-0139 Illinois U.S.A.
  • 3122280140 | +1 312-228-0140 Illinois U.S.A.
  • 3122280141 | +1 312-228-0141 Illinois U.S.A.
  • 3122280142 | +1 312-228-0142 Illinois U.S.A.
  • 3122280143 | +1 312-228-0143 Illinois U.S.A.
  • 3122280144 | +1 312-228-0144 Illinois U.S.A.
  • 3122280145 | +1 312-228-0145 Illinois U.S.A.
  • 3122280146 | +1 312-228-0146 Illinois U.S.A.
  • 3122280147 | +1 312-228-0147 Illinois U.S.A.
  • 3122280148 | +1 312-228-0148 Illinois U.S.A.
  • 3122280149 | +1 312-228-0149 Illinois U.S.A.
  • 3122280150 | +1 312-228-0150 Illinois U.S.A.
  • 3122280151 | +1 312-228-0151 Illinois U.S.A.
  • 3122280152 | +1 312-228-0152 Illinois U.S.A.
  • 3122280153 | +1 312-228-0153 Illinois U.S.A.
  • 3122280154 | +1 312-228-0154 Illinois U.S.A.
  • 3122280155 | +1 312-228-0155 Illinois U.S.A.
  • 3122280156 | +1 312-228-0156 Illinois U.S.A.
  • 3122280157 | +1 312-228-0157 Illinois U.S.A.
  • 3122280158 | +1 312-228-0158 Illinois U.S.A.
  • 3122280159 | +1 312-228-0159 Illinois U.S.A.
  • 3122280160 | +1 312-228-0160 Illinois U.S.A.
  • 3122280161 | +1 312-228-0161 Illinois U.S.A.
  • 3122280162 | +1 312-228-0162 Illinois U.S.A.
  • 3122280163 | +1 312-228-0163 Illinois U.S.A.
  • 3122280164 | +1 312-228-0164 Illinois U.S.A.
  • 3122280165 | +1 312-228-0165 Illinois U.S.A.
  • 3122280166 | +1 312-228-0166 Illinois U.S.A.
  • 3122280167 | +1 312-228-0167 Illinois U.S.A.
  • 3122280168 | +1 312-228-0168 Illinois U.S.A.
  • 3122280169 | +1 312-228-0169 Illinois U.S.A.
  • 3122280170 | +1 312-228-0170 Illinois U.S.A.
  • 3122280171 | +1 312-228-0171 Illinois U.S.A.
  • 3122280172 | +1 312-228-0172 Illinois U.S.A.
  • 3122280173 | +1 312-228-0173 Illinois U.S.A.
  • 3122280174 | +1 312-228-0174 Illinois U.S.A.
  • 3122280175 | +1 312-228-0175 Illinois U.S.A.
  • 3122280176 | +1 312-228-0176 Illinois U.S.A.
  • 3122280177 | +1 312-228-0177 Illinois U.S.A.
  • 3122280178 | +1 312-228-0178 Illinois U.S.A.
  • 3122280179 | +1 312-228-0179 Illinois U.S.A.
  • 3122280180 | +1 312-228-0180 Illinois U.S.A.
  • 3122280181 | +1 312-228-0181 Illinois U.S.A.
  • 3122280182 | +1 312-228-0182 Illinois U.S.A.
  • 3122280183 | +1 312-228-0183 Illinois U.S.A.
  • 3122280184 | +1 312-228-0184 Illinois U.S.A.
  • 3122280185 | +1 312-228-0185 Illinois U.S.A.
  • 3122280186 | +1 312-228-0186 Illinois U.S.A.
  • 3122280187 | +1 312-228-0187 Illinois U.S.A.
  • 3122280188 | +1 312-228-0188 Illinois U.S.A.
  • 3122280189 | +1 312-228-0189 Illinois U.S.A.
  • 3122280190 | +1 312-228-0190 Illinois U.S.A.
  • 3122280191 | +1 312-228-0191 Illinois U.S.A.
  • 3122280192 | +1 312-228-0192 Illinois U.S.A.
  • 3122280193 | +1 312-228-0193 Illinois U.S.A.
  • 3122280194 | +1 312-228-0194 Illinois U.S.A.
  • 3122280195 | +1 312-228-0195 Illinois U.S.A.
  • 3122280196 | +1 312-228-0196 Illinois U.S.A.
  • 3122280197 | +1 312-228-0197 Illinois U.S.A.
  • 3122280198 | +1 312-228-0198 Illinois U.S.A.
  • 3122280199 | +1 312-228-0199 Illinois U.S.A.