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).

  • 3127990100 | +1 312-799-0100 Illinois U.S.A.
  • 3127990101 | +1 312-799-0101 Illinois U.S.A.
  • 3127990102 | +1 312-799-0102 Illinois U.S.A.
  • 3127990103 | +1 312-799-0103 Illinois U.S.A.
  • 3127990104 | +1 312-799-0104 Illinois U.S.A.
  • 3127990105 | +1 312-799-0105 Illinois U.S.A.
  • 3127990106 | +1 312-799-0106 Illinois U.S.A.
  • 3127990107 | +1 312-799-0107 Illinois U.S.A.
  • 3127990108 | +1 312-799-0108 Illinois U.S.A.
  • 3127990109 | +1 312-799-0109 Illinois U.S.A.
  • 3127990110 | +1 312-799-0110 Illinois U.S.A.
  • 3127990111 | +1 312-799-0111 Illinois U.S.A.
  • 3127990112 | +1 312-799-0112 Illinois U.S.A.
  • 3127990113 | +1 312-799-0113 Illinois U.S.A.
  • 3127990114 | +1 312-799-0114 Illinois U.S.A.
  • 3127990115 | +1 312-799-0115 Illinois U.S.A.
  • 3127990116 | +1 312-799-0116 Illinois U.S.A.
  • 3127990117 | +1 312-799-0117 Illinois U.S.A.
  • 3127990118 | +1 312-799-0118 Illinois U.S.A.
  • 3127990119 | +1 312-799-0119 Illinois U.S.A.
  • 3127990120 | +1 312-799-0120 Illinois U.S.A.
  • 3127990121 | +1 312-799-0121 Illinois U.S.A.
  • 3127990122 | +1 312-799-0122 Illinois U.S.A.
  • 3127990123 | +1 312-799-0123 Illinois U.S.A.
  • 3127990124 | +1 312-799-0124 Illinois U.S.A.
  • 3127990125 | +1 312-799-0125 Illinois U.S.A.
  • 3127990126 | +1 312-799-0126 Illinois U.S.A.
  • 3127990127 | +1 312-799-0127 Illinois U.S.A.
  • 3127990128 | +1 312-799-0128 Illinois U.S.A.
  • 3127990129 | +1 312-799-0129 Illinois U.S.A.
  • 3127990130 | +1 312-799-0130 Illinois U.S.A.
  • 3127990131 | +1 312-799-0131 Illinois U.S.A.
  • 3127990132 | +1 312-799-0132 Illinois U.S.A.
  • 3127990133 | +1 312-799-0133 Illinois U.S.A.
  • 3127990134 | +1 312-799-0134 Illinois U.S.A.
  • 3127990135 | +1 312-799-0135 Illinois U.S.A.
  • 3127990136 | +1 312-799-0136 Illinois U.S.A.
  • 3127990137 | +1 312-799-0137 Illinois U.S.A.
  • 3127990138 | +1 312-799-0138 Illinois U.S.A.
  • 3127990139 | +1 312-799-0139 Illinois U.S.A.
  • 3127990140 | +1 312-799-0140 Illinois U.S.A.
  • 3127990141 | +1 312-799-0141 Illinois U.S.A.
  • 3127990142 | +1 312-799-0142 Illinois U.S.A.
  • 3127990143 | +1 312-799-0143 Illinois U.S.A.
  • 3127990144 | +1 312-799-0144 Illinois U.S.A.
  • 3127990145 | +1 312-799-0145 Illinois U.S.A.
  • 3127990146 | +1 312-799-0146 Illinois U.S.A.
  • 3127990147 | +1 312-799-0147 Illinois U.S.A.
  • 3127990148 | +1 312-799-0148 Illinois U.S.A.
  • 3127990149 | +1 312-799-0149 Illinois U.S.A.
  • 3127990150 | +1 312-799-0150 Illinois U.S.A.
  • 3127990151 | +1 312-799-0151 Illinois U.S.A.
  • 3127990152 | +1 312-799-0152 Illinois U.S.A.
  • 3127990153 | +1 312-799-0153 Illinois U.S.A.
  • 3127990154 | +1 312-799-0154 Illinois U.S.A.
  • 3127990155 | +1 312-799-0155 Illinois U.S.A.
  • 3127990156 | +1 312-799-0156 Illinois U.S.A.
  • 3127990157 | +1 312-799-0157 Illinois U.S.A.
  • 3127990158 | +1 312-799-0158 Illinois U.S.A.
  • 3127990159 | +1 312-799-0159 Illinois U.S.A.
  • 3127990160 | +1 312-799-0160 Illinois U.S.A.
  • 3127990161 | +1 312-799-0161 Illinois U.S.A.
  • 3127990162 | +1 312-799-0162 Illinois U.S.A.
  • 3127990163 | +1 312-799-0163 Illinois U.S.A.
  • 3127990164 | +1 312-799-0164 Illinois U.S.A.
  • 3127990165 | +1 312-799-0165 Illinois U.S.A.
  • 3127990166 | +1 312-799-0166 Illinois U.S.A.
  • 3127990167 | +1 312-799-0167 Illinois U.S.A.
  • 3127990168 | +1 312-799-0168 Illinois U.S.A.
  • 3127990169 | +1 312-799-0169 Illinois U.S.A.
  • 3127990170 | +1 312-799-0170 Illinois U.S.A.
  • 3127990171 | +1 312-799-0171 Illinois U.S.A.
  • 3127990172 | +1 312-799-0172 Illinois U.S.A.
  • 3127990173 | +1 312-799-0173 Illinois U.S.A.
  • 3127990174 | +1 312-799-0174 Illinois U.S.A.
  • 3127990175 | +1 312-799-0175 Illinois U.S.A.
  • 3127990176 | +1 312-799-0176 Illinois U.S.A.
  • 3127990177 | +1 312-799-0177 Illinois U.S.A.
  • 3127990178 | +1 312-799-0178 Illinois U.S.A.
  • 3127990179 | +1 312-799-0179 Illinois U.S.A.
  • 3127990180 | +1 312-799-0180 Illinois U.S.A.
  • 3127990181 | +1 312-799-0181 Illinois U.S.A.
  • 3127990182 | +1 312-799-0182 Illinois U.S.A.
  • 3127990183 | +1 312-799-0183 Illinois U.S.A.
  • 3127990184 | +1 312-799-0184 Illinois U.S.A.
  • 3127990185 | +1 312-799-0185 Illinois U.S.A.
  • 3127990186 | +1 312-799-0186 Illinois U.S.A.
  • 3127990187 | +1 312-799-0187 Illinois U.S.A.
  • 3127990188 | +1 312-799-0188 Illinois U.S.A.
  • 3127990189 | +1 312-799-0189 Illinois U.S.A.
  • 3127990190 | +1 312-799-0190 Illinois U.S.A.
  • 3127990191 | +1 312-799-0191 Illinois U.S.A.
  • 3127990192 | +1 312-799-0192 Illinois U.S.A.
  • 3127990193 | +1 312-799-0193 Illinois U.S.A.
  • 3127990194 | +1 312-799-0194 Illinois U.S.A.
  • 3127990195 | +1 312-799-0195 Illinois U.S.A.
  • 3127990196 | +1 312-799-0196 Illinois U.S.A.
  • 3127990197 | +1 312-799-0197 Illinois U.S.A.
  • 3127990198 | +1 312-799-0198 Illinois U.S.A.
  • 3127990199 | +1 312-799-0199 Illinois U.S.A.