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).

  • 3129929300 | +1 312-992-9300 Illinois U.S.A.
  • 3129929301 | +1 312-992-9301 Illinois U.S.A.
  • 3129929302 | +1 312-992-9302 Illinois U.S.A.
  • 3129929303 | +1 312-992-9303 Illinois U.S.A.
  • 3129929304 | +1 312-992-9304 Illinois U.S.A.
  • 3129929305 | +1 312-992-9305 Illinois U.S.A.
  • 3129929306 | +1 312-992-9306 Illinois U.S.A.
  • 3129929307 | +1 312-992-9307 Illinois U.S.A.
  • 3129929308 | +1 312-992-9308 Illinois U.S.A.
  • 3129929309 | +1 312-992-9309 Illinois U.S.A.
  • 3129929310 | +1 312-992-9310 Illinois U.S.A.
  • 3129929311 | +1 312-992-9311 Illinois U.S.A.
  • 3129929312 | +1 312-992-9312 Illinois U.S.A.
  • 3129929313 | +1 312-992-9313 Illinois U.S.A.
  • 3129929314 | +1 312-992-9314 Illinois U.S.A.
  • 3129929315 | +1 312-992-9315 Illinois U.S.A.
  • 3129929316 | +1 312-992-9316 Illinois U.S.A.
  • 3129929317 | +1 312-992-9317 Illinois U.S.A.
  • 3129929318 | +1 312-992-9318 Illinois U.S.A.
  • 3129929319 | +1 312-992-9319 Illinois U.S.A.
  • 3129929320 | +1 312-992-9320 Illinois U.S.A.
  • 3129929321 | +1 312-992-9321 Illinois U.S.A.
  • 3129929322 | +1 312-992-9322 Illinois U.S.A.
  • 3129929323 | +1 312-992-9323 Illinois U.S.A.
  • 3129929324 | +1 312-992-9324 Illinois U.S.A.
  • 3129929325 | +1 312-992-9325 Illinois U.S.A.
  • 3129929326 | +1 312-992-9326 Illinois U.S.A.
  • 3129929327 | +1 312-992-9327 Illinois U.S.A.
  • 3129929328 | +1 312-992-9328 Illinois U.S.A.
  • 3129929329 | +1 312-992-9329 Illinois U.S.A.
  • 3129929330 | +1 312-992-9330 Illinois U.S.A.
  • 3129929331 | +1 312-992-9331 Illinois U.S.A.
  • 3129929332 | +1 312-992-9332 Illinois U.S.A.
  • 3129929333 | +1 312-992-9333 Illinois U.S.A.
  • 3129929334 | +1 312-992-9334 Illinois U.S.A.
  • 3129929335 | +1 312-992-9335 Illinois U.S.A.
  • 3129929336 | +1 312-992-9336 Illinois U.S.A.
  • 3129929337 | +1 312-992-9337 Illinois U.S.A.
  • 3129929338 | +1 312-992-9338 Illinois U.S.A.
  • 3129929339 | +1 312-992-9339 Illinois U.S.A.
  • 3129929340 | +1 312-992-9340 Illinois U.S.A.
  • 3129929341 | +1 312-992-9341 Illinois U.S.A.
  • 3129929342 | +1 312-992-9342 Illinois U.S.A.
  • 3129929343 | +1 312-992-9343 Illinois U.S.A.
  • 3129929344 | +1 312-992-9344 Illinois U.S.A.
  • 3129929345 | +1 312-992-9345 Illinois U.S.A.
  • 3129929346 | +1 312-992-9346 Illinois U.S.A.
  • 3129929347 | +1 312-992-9347 Illinois U.S.A.
  • 3129929348 | +1 312-992-9348 Illinois U.S.A.
  • 3129929349 | +1 312-992-9349 Illinois U.S.A.
  • 3129929350 | +1 312-992-9350 Illinois U.S.A.
  • 3129929351 | +1 312-992-9351 Illinois U.S.A.
  • 3129929352 | +1 312-992-9352 Illinois U.S.A.
  • 3129929353 | +1 312-992-9353 Illinois U.S.A.
  • 3129929354 | +1 312-992-9354 Illinois U.S.A.
  • 3129929355 | +1 312-992-9355 Illinois U.S.A.
  • 3129929356 | +1 312-992-9356 Illinois U.S.A.
  • 3129929357 | +1 312-992-9357 Illinois U.S.A.
  • 3129929358 | +1 312-992-9358 Illinois U.S.A.
  • 3129929359 | +1 312-992-9359 Illinois U.S.A.
  • 3129929360 | +1 312-992-9360 Illinois U.S.A.
  • 3129929361 | +1 312-992-9361 Illinois U.S.A.
  • 3129929362 | +1 312-992-9362 Illinois U.S.A.
  • 3129929363 | +1 312-992-9363 Illinois U.S.A.
  • 3129929364 | +1 312-992-9364 Illinois U.S.A.
  • 3129929365 | +1 312-992-9365 Illinois U.S.A.
  • 3129929366 | +1 312-992-9366 Illinois U.S.A.
  • 3129929367 | +1 312-992-9367 Illinois U.S.A.
  • 3129929368 | +1 312-992-9368 Illinois U.S.A.
  • 3129929369 | +1 312-992-9369 Illinois U.S.A.
  • 3129929370 | +1 312-992-9370 Illinois U.S.A.
  • 3129929371 | +1 312-992-9371 Illinois U.S.A.
  • 3129929372 | +1 312-992-9372 Illinois U.S.A.
  • 3129929373 | +1 312-992-9373 Illinois U.S.A.
  • 3129929374 | +1 312-992-9374 Illinois U.S.A.
  • 3129929375 | +1 312-992-9375 Illinois U.S.A.
  • 3129929376 | +1 312-992-9376 Illinois U.S.A.
  • 3129929377 | +1 312-992-9377 Illinois U.S.A.
  • 3129929378 | +1 312-992-9378 Illinois U.S.A.
  • 3129929379 | +1 312-992-9379 Illinois U.S.A.
  • 3129929380 | +1 312-992-9380 Illinois U.S.A.
  • 3129929381 | +1 312-992-9381 Illinois U.S.A.
  • 3129929382 | +1 312-992-9382 Illinois U.S.A.
  • 3129929383 | +1 312-992-9383 Illinois U.S.A.
  • 3129929384 | +1 312-992-9384 Illinois U.S.A.
  • 3129929385 | +1 312-992-9385 Illinois U.S.A.
  • 3129929386 | +1 312-992-9386 Illinois U.S.A.
  • 3129929387 | +1 312-992-9387 Illinois U.S.A.
  • 3129929388 | +1 312-992-9388 Illinois U.S.A.
  • 3129929389 | +1 312-992-9389 Illinois U.S.A.
  • 3129929390 | +1 312-992-9390 Illinois U.S.A.
  • 3129929391 | +1 312-992-9391 Illinois U.S.A.
  • 3129929392 | +1 312-992-9392 Illinois U.S.A.
  • 3129929393 | +1 312-992-9393 Illinois U.S.A.
  • 3129929394 | +1 312-992-9394 Illinois U.S.A.
  • 3129929395 | +1 312-992-9395 Illinois U.S.A.
  • 3129929396 | +1 312-992-9396 Illinois U.S.A.
  • 3129929397 | +1 312-992-9397 Illinois U.S.A.
  • 3129929398 | +1 312-992-9398 Illinois U.S.A.
  • 3129929399 | +1 312-992-9399 Illinois U.S.A.