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).

  • 3128271200 | +1 312-827-1200 Illinois U.S.A.
  • 3128271201 | +1 312-827-1201 Illinois U.S.A.
  • 3128271202 | +1 312-827-1202 Illinois U.S.A.
  • 3128271203 | +1 312-827-1203 Illinois U.S.A.
  • 3128271204 | +1 312-827-1204 Illinois U.S.A.
  • 3128271205 | +1 312-827-1205 Illinois U.S.A.
  • 3128271206 | +1 312-827-1206 Illinois U.S.A.
  • 3128271207 | +1 312-827-1207 Illinois U.S.A.
  • 3128271208 | +1 312-827-1208 Illinois U.S.A.
  • 3128271209 | +1 312-827-1209 Illinois U.S.A.
  • 3128271210 | +1 312-827-1210 Illinois U.S.A.
  • 3128271211 | +1 312-827-1211 Illinois U.S.A.
  • 3128271212 | +1 312-827-1212 Illinois U.S.A.
  • 3128271213 | +1 312-827-1213 Illinois U.S.A.
  • 3128271214 | +1 312-827-1214 Illinois U.S.A.
  • 3128271215 | +1 312-827-1215 Illinois U.S.A.
  • 3128271216 | +1 312-827-1216 Illinois U.S.A.
  • 3128271217 | +1 312-827-1217 Illinois U.S.A.
  • 3128271218 | +1 312-827-1218 Illinois U.S.A.
  • 3128271219 | +1 312-827-1219 Illinois U.S.A.
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  • 3128271221 | +1 312-827-1221 Illinois U.S.A.
  • 3128271222 | +1 312-827-1222 Illinois U.S.A.
  • 3128271223 | +1 312-827-1223 Illinois U.S.A.
  • 3128271224 | +1 312-827-1224 Illinois U.S.A.
  • 3128271225 | +1 312-827-1225 Illinois U.S.A.
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  • 3128271231 | +1 312-827-1231 Illinois U.S.A.
  • 3128271232 | +1 312-827-1232 Illinois U.S.A.
  • 3128271233 | +1 312-827-1233 Illinois U.S.A.
  • 3128271234 | +1 312-827-1234 Illinois U.S.A.
  • 3128271235 | +1 312-827-1235 Illinois U.S.A.
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  • 3128271245 | +1 312-827-1245 Illinois U.S.A.
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  • 3128271251 | +1 312-827-1251 Illinois U.S.A.
  • 3128271252 | +1 312-827-1252 Illinois U.S.A.
  • 3128271253 | +1 312-827-1253 Illinois U.S.A.
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  • 3128271255 | +1 312-827-1255 Illinois U.S.A.
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  • 3128271264 | +1 312-827-1264 Illinois U.S.A.
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  • 3128271266 | +1 312-827-1266 Illinois U.S.A.
  • 3128271267 | +1 312-827-1267 Illinois U.S.A.
  • 3128271268 | +1 312-827-1268 Illinois U.S.A.
  • 3128271269 | +1 312-827-1269 Illinois U.S.A.
  • 3128271270 | +1 312-827-1270 Illinois U.S.A.
  • 3128271271 | +1 312-827-1271 Illinois U.S.A.
  • 3128271272 | +1 312-827-1272 Illinois U.S.A.
  • 3128271273 | +1 312-827-1273 Illinois U.S.A.
  • 3128271274 | +1 312-827-1274 Illinois U.S.A.
  • 3128271275 | +1 312-827-1275 Illinois U.S.A.
  • 3128271276 | +1 312-827-1276 Illinois U.S.A.
  • 3128271277 | +1 312-827-1277 Illinois U.S.A.
  • 3128271278 | +1 312-827-1278 Illinois U.S.A.
  • 3128271279 | +1 312-827-1279 Illinois U.S.A.
  • 3128271280 | +1 312-827-1280 Illinois U.S.A.
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  • 3128271294 | +1 312-827-1294 Illinois U.S.A.
  • 3128271295 | +1 312-827-1295 Illinois U.S.A.
  • 3128271296 | +1 312-827-1296 Illinois U.S.A.
  • 3128271297 | +1 312-827-1297 Illinois U.S.A.
  • 3128271298 | +1 312-827-1298 Illinois U.S.A.
  • 3128271299 | +1 312-827-1299 Illinois U.S.A.