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).

  • 3128398200 | +1 312-839-8200 Illinois U.S.A.
  • 3128398201 | +1 312-839-8201 Illinois U.S.A.
  • 3128398202 | +1 312-839-8202 Illinois U.S.A.
  • 3128398203 | +1 312-839-8203 Illinois U.S.A.
  • 3128398204 | +1 312-839-8204 Illinois U.S.A.
  • 3128398205 | +1 312-839-8205 Illinois U.S.A.
  • 3128398206 | +1 312-839-8206 Illinois U.S.A.
  • 3128398207 | +1 312-839-8207 Illinois U.S.A.
  • 3128398208 | +1 312-839-8208 Illinois U.S.A.
  • 3128398209 | +1 312-839-8209 Illinois U.S.A.
  • 3128398210 | +1 312-839-8210 Illinois U.S.A.
  • 3128398211 | +1 312-839-8211 Illinois U.S.A.
  • 3128398212 | +1 312-839-8212 Illinois U.S.A.
  • 3128398213 | +1 312-839-8213 Illinois U.S.A.
  • 3128398214 | +1 312-839-8214 Illinois U.S.A.
  • 3128398215 | +1 312-839-8215 Illinois U.S.A.
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  • 3128398217 | +1 312-839-8217 Illinois U.S.A.
  • 3128398218 | +1 312-839-8218 Illinois U.S.A.
  • 3128398219 | +1 312-839-8219 Illinois U.S.A.
  • 3128398220 | +1 312-839-8220 Illinois U.S.A.
  • 3128398221 | +1 312-839-8221 Illinois U.S.A.
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  • 3128398224 | +1 312-839-8224 Illinois U.S.A.
  • 3128398225 | +1 312-839-8225 Illinois U.S.A.
  • 3128398226 | +1 312-839-8226 Illinois U.S.A.
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  • 3128398230 | +1 312-839-8230 Illinois U.S.A.
  • 3128398231 | +1 312-839-8231 Illinois U.S.A.
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  • 3128398233 | +1 312-839-8233 Illinois U.S.A.
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  • 3128398244 | +1 312-839-8244 Illinois U.S.A.
  • 3128398245 | +1 312-839-8245 Illinois U.S.A.
  • 3128398246 | +1 312-839-8246 Illinois U.S.A.
  • 3128398247 | +1 312-839-8247 Illinois U.S.A.
  • 3128398248 | +1 312-839-8248 Illinois U.S.A.
  • 3128398249 | +1 312-839-8249 Illinois U.S.A.
  • 3128398250 | +1 312-839-8250 Illinois U.S.A.
  • 3128398251 | +1 312-839-8251 Illinois U.S.A.
  • 3128398252 | +1 312-839-8252 Illinois U.S.A.
  • 3128398253 | +1 312-839-8253 Illinois U.S.A.
  • 3128398254 | +1 312-839-8254 Illinois U.S.A.
  • 3128398255 | +1 312-839-8255 Illinois U.S.A.
  • 3128398256 | +1 312-839-8256 Illinois U.S.A.
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  • 3128398260 | +1 312-839-8260 Illinois U.S.A.
  • 3128398261 | +1 312-839-8261 Illinois U.S.A.
  • 3128398262 | +1 312-839-8262 Illinois U.S.A.
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  • 3128398264 | +1 312-839-8264 Illinois U.S.A.
  • 3128398265 | +1 312-839-8265 Illinois U.S.A.
  • 3128398266 | +1 312-839-8266 Illinois U.S.A.
  • 3128398267 | +1 312-839-8267 Illinois U.S.A.
  • 3128398268 | +1 312-839-8268 Illinois U.S.A.
  • 3128398269 | +1 312-839-8269 Illinois U.S.A.
  • 3128398270 | +1 312-839-8270 Illinois U.S.A.
  • 3128398271 | +1 312-839-8271 Illinois U.S.A.
  • 3128398272 | +1 312-839-8272 Illinois U.S.A.
  • 3128398273 | +1 312-839-8273 Illinois U.S.A.
  • 3128398274 | +1 312-839-8274 Illinois U.S.A.
  • 3128398275 | +1 312-839-8275 Illinois U.S.A.
  • 3128398276 | +1 312-839-8276 Illinois U.S.A.
  • 3128398277 | +1 312-839-8277 Illinois U.S.A.
  • 3128398278 | +1 312-839-8278 Illinois U.S.A.
  • 3128398279 | +1 312-839-8279 Illinois U.S.A.
  • 3128398280 | +1 312-839-8280 Illinois U.S.A.
  • 3128398281 | +1 312-839-8281 Illinois U.S.A.
  • 3128398282 | +1 312-839-8282 Illinois U.S.A.
  • 3128398283 | +1 312-839-8283 Illinois U.S.A.
  • 3128398284 | +1 312-839-8284 Illinois U.S.A.
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  • 3128398295 | +1 312-839-8295 Illinois U.S.A.
  • 3128398296 | +1 312-839-8296 Illinois U.S.A.
  • 3128398297 | +1 312-839-8297 Illinois U.S.A.
  • 3128398298 | +1 312-839-8298 Illinois U.S.A.
  • 3128398299 | +1 312-839-8299 Illinois U.S.A.