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).

  • 3123067100 | +1 312-306-7100 Illinois U.S.A.
  • 3123067101 | +1 312-306-7101 Illinois U.S.A.
  • 3123067102 | +1 312-306-7102 Illinois U.S.A.
  • 3123067103 | +1 312-306-7103 Illinois U.S.A.
  • 3123067104 | +1 312-306-7104 Illinois U.S.A.
  • 3123067105 | +1 312-306-7105 Illinois U.S.A.
  • 3123067106 | +1 312-306-7106 Illinois U.S.A.
  • 3123067107 | +1 312-306-7107 Illinois U.S.A.
  • 3123067108 | +1 312-306-7108 Illinois U.S.A.
  • 3123067109 | +1 312-306-7109 Illinois U.S.A.
  • 3123067110 | +1 312-306-7110 Illinois U.S.A.
  • 3123067111 | +1 312-306-7111 Illinois U.S.A.
  • 3123067112 | +1 312-306-7112 Illinois U.S.A.
  • 3123067113 | +1 312-306-7113 Illinois U.S.A.
  • 3123067114 | +1 312-306-7114 Illinois U.S.A.
  • 3123067115 | +1 312-306-7115 Illinois U.S.A.
  • 3123067116 | +1 312-306-7116 Illinois U.S.A.
  • 3123067117 | +1 312-306-7117 Illinois U.S.A.
  • 3123067118 | +1 312-306-7118 Illinois U.S.A.
  • 3123067119 | +1 312-306-7119 Illinois U.S.A.
  • 3123067120 | +1 312-306-7120 Illinois U.S.A.
  • 3123067121 | +1 312-306-7121 Illinois U.S.A.
  • 3123067122 | +1 312-306-7122 Illinois U.S.A.
  • 3123067123 | +1 312-306-7123 Illinois U.S.A.
  • 3123067124 | +1 312-306-7124 Illinois U.S.A.
  • 3123067125 | +1 312-306-7125 Illinois U.S.A.
  • 3123067126 | +1 312-306-7126 Illinois U.S.A.
  • 3123067127 | +1 312-306-7127 Illinois U.S.A.
  • 3123067128 | +1 312-306-7128 Illinois U.S.A.
  • 3123067129 | +1 312-306-7129 Illinois U.S.A.
  • 3123067130 | +1 312-306-7130 Illinois U.S.A.
  • 3123067131 | +1 312-306-7131 Illinois U.S.A.
  • 3123067132 | +1 312-306-7132 Illinois U.S.A.
  • 3123067133 | +1 312-306-7133 Illinois U.S.A.
  • 3123067134 | +1 312-306-7134 Illinois U.S.A.
  • 3123067135 | +1 312-306-7135 Illinois U.S.A.
  • 3123067136 | +1 312-306-7136 Illinois U.S.A.
  • 3123067137 | +1 312-306-7137 Illinois U.S.A.
  • 3123067138 | +1 312-306-7138 Illinois U.S.A.
  • 3123067139 | +1 312-306-7139 Illinois U.S.A.
  • 3123067140 | +1 312-306-7140 Illinois U.S.A.
  • 3123067141 | +1 312-306-7141 Illinois U.S.A.
  • 3123067142 | +1 312-306-7142 Illinois U.S.A.
  • 3123067143 | +1 312-306-7143 Illinois U.S.A.
  • 3123067144 | +1 312-306-7144 Illinois U.S.A.
  • 3123067145 | +1 312-306-7145 Illinois U.S.A.
  • 3123067146 | +1 312-306-7146 Illinois U.S.A.
  • 3123067147 | +1 312-306-7147 Illinois U.S.A.
  • 3123067148 | +1 312-306-7148 Illinois U.S.A.
  • 3123067149 | +1 312-306-7149 Illinois U.S.A.
  • 3123067150 | +1 312-306-7150 Illinois U.S.A.
  • 3123067151 | +1 312-306-7151 Illinois U.S.A.
  • 3123067152 | +1 312-306-7152 Illinois U.S.A.
  • 3123067153 | +1 312-306-7153 Illinois U.S.A.
  • 3123067154 | +1 312-306-7154 Illinois U.S.A.
  • 3123067155 | +1 312-306-7155 Illinois U.S.A.
  • 3123067156 | +1 312-306-7156 Illinois U.S.A.
  • 3123067157 | +1 312-306-7157 Illinois U.S.A.
  • 3123067158 | +1 312-306-7158 Illinois U.S.A.
  • 3123067159 | +1 312-306-7159 Illinois U.S.A.
  • 3123067160 | +1 312-306-7160 Illinois U.S.A.
  • 3123067161 | +1 312-306-7161 Illinois U.S.A.
  • 3123067162 | +1 312-306-7162 Illinois U.S.A.
  • 3123067163 | +1 312-306-7163 Illinois U.S.A.
  • 3123067164 | +1 312-306-7164 Illinois U.S.A.
  • 3123067165 | +1 312-306-7165 Illinois U.S.A.
  • 3123067166 | +1 312-306-7166 Illinois U.S.A.
  • 3123067167 | +1 312-306-7167 Illinois U.S.A.
  • 3123067168 | +1 312-306-7168 Illinois U.S.A.
  • 3123067169 | +1 312-306-7169 Illinois U.S.A.
  • 3123067170 | +1 312-306-7170 Illinois U.S.A.
  • 3123067171 | +1 312-306-7171 Illinois U.S.A.
  • 3123067172 | +1 312-306-7172 Illinois U.S.A.
  • 3123067173 | +1 312-306-7173 Illinois U.S.A.
  • 3123067174 | +1 312-306-7174 Illinois U.S.A.
  • 3123067175 | +1 312-306-7175 Illinois U.S.A.
  • 3123067176 | +1 312-306-7176 Illinois U.S.A.
  • 3123067177 | +1 312-306-7177 Illinois U.S.A.
  • 3123067178 | +1 312-306-7178 Illinois U.S.A.
  • 3123067179 | +1 312-306-7179 Illinois U.S.A.
  • 3123067180 | +1 312-306-7180 Illinois U.S.A.
  • 3123067181 | +1 312-306-7181 Illinois U.S.A.
  • 3123067182 | +1 312-306-7182 Illinois U.S.A.
  • 3123067183 | +1 312-306-7183 Illinois U.S.A.
  • 3123067184 | +1 312-306-7184 Illinois U.S.A.
  • 3123067185 | +1 312-306-7185 Illinois U.S.A.
  • 3123067186 | +1 312-306-7186 Illinois U.S.A.
  • 3123067187 | +1 312-306-7187 Illinois U.S.A.
  • 3123067188 | +1 312-306-7188 Illinois U.S.A.
  • 3123067189 | +1 312-306-7189 Illinois U.S.A.
  • 3123067190 | +1 312-306-7190 Illinois U.S.A.
  • 3123067191 | +1 312-306-7191 Illinois U.S.A.
  • 3123067192 | +1 312-306-7192 Illinois U.S.A.
  • 3123067193 | +1 312-306-7193 Illinois U.S.A.
  • 3123067194 | +1 312-306-7194 Illinois U.S.A.
  • 3123067195 | +1 312-306-7195 Illinois U.S.A.
  • 3123067196 | +1 312-306-7196 Illinois U.S.A.
  • 3123067197 | +1 312-306-7197 Illinois U.S.A.
  • 3123067198 | +1 312-306-7198 Illinois U.S.A.
  • 3123067199 | +1 312-306-7199 Illinois U.S.A.