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).

  • 3127912100 | +1 312-791-2100 Illinois U.S.A.
  • 3127912101 | +1 312-791-2101 Illinois U.S.A.
  • 3127912102 | +1 312-791-2102 Illinois U.S.A.
  • 3127912103 | +1 312-791-2103 Illinois U.S.A.
  • 3127912104 | +1 312-791-2104 Illinois U.S.A.
  • 3127912105 | +1 312-791-2105 Illinois U.S.A.
  • 3127912106 | +1 312-791-2106 Illinois U.S.A.
  • 3127912107 | +1 312-791-2107 Illinois U.S.A.
  • 3127912108 | +1 312-791-2108 Illinois U.S.A.
  • 3127912109 | +1 312-791-2109 Illinois U.S.A.
  • 3127912110 | +1 312-791-2110 Illinois U.S.A.
  • 3127912111 | +1 312-791-2111 Illinois U.S.A.
  • 3127912112 | +1 312-791-2112 Illinois U.S.A.
  • 3127912113 | +1 312-791-2113 Illinois U.S.A.
  • 3127912114 | +1 312-791-2114 Illinois U.S.A.
  • 3127912115 | +1 312-791-2115 Illinois U.S.A.
  • 3127912116 | +1 312-791-2116 Illinois U.S.A.
  • 3127912117 | +1 312-791-2117 Illinois U.S.A.
  • 3127912118 | +1 312-791-2118 Illinois U.S.A.
  • 3127912119 | +1 312-791-2119 Illinois U.S.A.
  • 3127912120 | +1 312-791-2120 Illinois U.S.A.
  • 3127912121 | +1 312-791-2121 Illinois U.S.A.
  • 3127912122 | +1 312-791-2122 Illinois U.S.A.
  • 3127912123 | +1 312-791-2123 Illinois U.S.A.
  • 3127912124 | +1 312-791-2124 Illinois U.S.A.
  • 3127912125 | +1 312-791-2125 Illinois U.S.A.
  • 3127912126 | +1 312-791-2126 Illinois U.S.A.
  • 3127912127 | +1 312-791-2127 Illinois U.S.A.
  • 3127912128 | +1 312-791-2128 Illinois U.S.A.
  • 3127912129 | +1 312-791-2129 Illinois U.S.A.
  • 3127912130 | +1 312-791-2130 Illinois U.S.A.
  • 3127912131 | +1 312-791-2131 Illinois U.S.A.
  • 3127912132 | +1 312-791-2132 Illinois U.S.A.
  • 3127912133 | +1 312-791-2133 Illinois U.S.A.
  • 3127912134 | +1 312-791-2134 Illinois U.S.A.
  • 3127912135 | +1 312-791-2135 Illinois U.S.A.
  • 3127912136 | +1 312-791-2136 Illinois U.S.A.
  • 3127912137 | +1 312-791-2137 Illinois U.S.A.
  • 3127912138 | +1 312-791-2138 Illinois U.S.A.
  • 3127912139 | +1 312-791-2139 Illinois U.S.A.
  • 3127912140 | +1 312-791-2140 Illinois U.S.A.
  • 3127912141 | +1 312-791-2141 Illinois U.S.A.
  • 3127912142 | +1 312-791-2142 Illinois U.S.A.
  • 3127912143 | +1 312-791-2143 Illinois U.S.A.
  • 3127912144 | +1 312-791-2144 Illinois U.S.A.
  • 3127912145 | +1 312-791-2145 Illinois U.S.A.
  • 3127912146 | +1 312-791-2146 Illinois U.S.A.
  • 3127912147 | +1 312-791-2147 Illinois U.S.A.
  • 3127912148 | +1 312-791-2148 Illinois U.S.A.
  • 3127912149 | +1 312-791-2149 Illinois U.S.A.
  • 3127912150 | +1 312-791-2150 Illinois U.S.A.
  • 3127912151 | +1 312-791-2151 Illinois U.S.A.
  • 3127912152 | +1 312-791-2152 Illinois U.S.A.
  • 3127912153 | +1 312-791-2153 Illinois U.S.A.
  • 3127912154 | +1 312-791-2154 Illinois U.S.A.
  • 3127912155 | +1 312-791-2155 Illinois U.S.A.
  • 3127912156 | +1 312-791-2156 Illinois U.S.A.
  • 3127912157 | +1 312-791-2157 Illinois U.S.A.
  • 3127912158 | +1 312-791-2158 Illinois U.S.A.
  • 3127912159 | +1 312-791-2159 Illinois U.S.A.
  • 3127912160 | +1 312-791-2160 Illinois U.S.A.
  • 3127912161 | +1 312-791-2161 Illinois U.S.A.
  • 3127912162 | +1 312-791-2162 Illinois U.S.A.
  • 3127912163 | +1 312-791-2163 Illinois U.S.A.
  • 3127912164 | +1 312-791-2164 Illinois U.S.A.
  • 3127912165 | +1 312-791-2165 Illinois U.S.A.
  • 3127912166 | +1 312-791-2166 Illinois U.S.A.
  • 3127912167 | +1 312-791-2167 Illinois U.S.A.
  • 3127912168 | +1 312-791-2168 Illinois U.S.A.
  • 3127912169 | +1 312-791-2169 Illinois U.S.A.
  • 3127912170 | +1 312-791-2170 Illinois U.S.A.
  • 3127912171 | +1 312-791-2171 Illinois U.S.A.
  • 3127912172 | +1 312-791-2172 Illinois U.S.A.
  • 3127912173 | +1 312-791-2173 Illinois U.S.A.
  • 3127912174 | +1 312-791-2174 Illinois U.S.A.
  • 3127912175 | +1 312-791-2175 Illinois U.S.A.
  • 3127912176 | +1 312-791-2176 Illinois U.S.A.
  • 3127912177 | +1 312-791-2177 Illinois U.S.A.
  • 3127912178 | +1 312-791-2178 Illinois U.S.A.
  • 3127912179 | +1 312-791-2179 Illinois U.S.A.
  • 3127912180 | +1 312-791-2180 Illinois U.S.A.
  • 3127912181 | +1 312-791-2181 Illinois U.S.A.
  • 3127912182 | +1 312-791-2182 Illinois U.S.A.
  • 3127912183 | +1 312-791-2183 Illinois U.S.A.
  • 3127912184 | +1 312-791-2184 Illinois U.S.A.
  • 3127912185 | +1 312-791-2185 Illinois U.S.A.
  • 3127912186 | +1 312-791-2186 Illinois U.S.A.
  • 3127912187 | +1 312-791-2187 Illinois U.S.A.
  • 3127912188 | +1 312-791-2188 Illinois U.S.A.
  • 3127912189 | +1 312-791-2189 Illinois U.S.A.
  • 3127912190 | +1 312-791-2190 Illinois U.S.A.
  • 3127912191 | +1 312-791-2191 Illinois U.S.A.
  • 3127912192 | +1 312-791-2192 Illinois U.S.A.
  • 3127912193 | +1 312-791-2193 Illinois U.S.A.
  • 3127912194 | +1 312-791-2194 Illinois U.S.A.
  • 3127912195 | +1 312-791-2195 Illinois U.S.A.
  • 3127912196 | +1 312-791-2196 Illinois U.S.A.
  • 3127912197 | +1 312-791-2197 Illinois U.S.A.
  • 3127912198 | +1 312-791-2198 Illinois U.S.A.
  • 3127912199 | +1 312-791-2199 Illinois U.S.A.