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).

  • 3129219300 | +1 312-921-9300 Illinois U.S.A.
  • 3129219301 | +1 312-921-9301 Illinois U.S.A.
  • 3129219302 | +1 312-921-9302 Illinois U.S.A.
  • 3129219303 | +1 312-921-9303 Illinois U.S.A.
  • 3129219304 | +1 312-921-9304 Illinois U.S.A.
  • 3129219305 | +1 312-921-9305 Illinois U.S.A.
  • 3129219306 | +1 312-921-9306 Illinois U.S.A.
  • 3129219307 | +1 312-921-9307 Illinois U.S.A.
  • 3129219308 | +1 312-921-9308 Illinois U.S.A.
  • 3129219309 | +1 312-921-9309 Illinois U.S.A.
  • 3129219310 | +1 312-921-9310 Illinois U.S.A.
  • 3129219311 | +1 312-921-9311 Illinois U.S.A.
  • 3129219312 | +1 312-921-9312 Illinois U.S.A.
  • 3129219313 | +1 312-921-9313 Illinois U.S.A.
  • 3129219314 | +1 312-921-9314 Illinois U.S.A.
  • 3129219315 | +1 312-921-9315 Illinois U.S.A.
  • 3129219316 | +1 312-921-9316 Illinois U.S.A.
  • 3129219317 | +1 312-921-9317 Illinois U.S.A.
  • 3129219318 | +1 312-921-9318 Illinois U.S.A.
  • 3129219319 | +1 312-921-9319 Illinois U.S.A.
  • 3129219320 | +1 312-921-9320 Illinois U.S.A.
  • 3129219321 | +1 312-921-9321 Illinois U.S.A.
  • 3129219322 | +1 312-921-9322 Illinois U.S.A.
  • 3129219323 | +1 312-921-9323 Illinois U.S.A.
  • 3129219324 | +1 312-921-9324 Illinois U.S.A.
  • 3129219325 | +1 312-921-9325 Illinois U.S.A.
  • 3129219326 | +1 312-921-9326 Illinois U.S.A.
  • 3129219327 | +1 312-921-9327 Illinois U.S.A.
  • 3129219328 | +1 312-921-9328 Illinois U.S.A.
  • 3129219329 | +1 312-921-9329 Illinois U.S.A.
  • 3129219330 | +1 312-921-9330 Illinois U.S.A.
  • 3129219331 | +1 312-921-9331 Illinois U.S.A.
  • 3129219332 | +1 312-921-9332 Illinois U.S.A.
  • 3129219333 | +1 312-921-9333 Illinois U.S.A.
  • 3129219334 | +1 312-921-9334 Illinois U.S.A.
  • 3129219335 | +1 312-921-9335 Illinois U.S.A.
  • 3129219336 | +1 312-921-9336 Illinois U.S.A.
  • 3129219337 | +1 312-921-9337 Illinois U.S.A.
  • 3129219338 | +1 312-921-9338 Illinois U.S.A.
  • 3129219339 | +1 312-921-9339 Illinois U.S.A.
  • 3129219340 | +1 312-921-9340 Illinois U.S.A.
  • 3129219341 | +1 312-921-9341 Illinois U.S.A.
  • 3129219342 | +1 312-921-9342 Illinois U.S.A.
  • 3129219343 | +1 312-921-9343 Illinois U.S.A.
  • 3129219344 | +1 312-921-9344 Illinois U.S.A.
  • 3129219345 | +1 312-921-9345 Illinois U.S.A.
  • 3129219346 | +1 312-921-9346 Illinois U.S.A.
  • 3129219347 | +1 312-921-9347 Illinois U.S.A.
  • 3129219348 | +1 312-921-9348 Illinois U.S.A.
  • 3129219349 | +1 312-921-9349 Illinois U.S.A.
  • 3129219350 | +1 312-921-9350 Illinois U.S.A.
  • 3129219351 | +1 312-921-9351 Illinois U.S.A.
  • 3129219352 | +1 312-921-9352 Illinois U.S.A.
  • 3129219353 | +1 312-921-9353 Illinois U.S.A.
  • 3129219354 | +1 312-921-9354 Illinois U.S.A.
  • 3129219355 | +1 312-921-9355 Illinois U.S.A.
  • 3129219356 | +1 312-921-9356 Illinois U.S.A.
  • 3129219357 | +1 312-921-9357 Illinois U.S.A.
  • 3129219358 | +1 312-921-9358 Illinois U.S.A.
  • 3129219359 | +1 312-921-9359 Illinois U.S.A.
  • 3129219360 | +1 312-921-9360 Illinois U.S.A.
  • 3129219361 | +1 312-921-9361 Illinois U.S.A.
  • 3129219362 | +1 312-921-9362 Illinois U.S.A.
  • 3129219363 | +1 312-921-9363 Illinois U.S.A.
  • 3129219364 | +1 312-921-9364 Illinois U.S.A.
  • 3129219365 | +1 312-921-9365 Illinois U.S.A.
  • 3129219366 | +1 312-921-9366 Illinois U.S.A.
  • 3129219367 | +1 312-921-9367 Illinois U.S.A.
  • 3129219368 | +1 312-921-9368 Illinois U.S.A.
  • 3129219369 | +1 312-921-9369 Illinois U.S.A.
  • 3129219370 | +1 312-921-9370 Illinois U.S.A.
  • 3129219371 | +1 312-921-9371 Illinois U.S.A.
  • 3129219372 | +1 312-921-9372 Illinois U.S.A.
  • 3129219373 | +1 312-921-9373 Illinois U.S.A.
  • 3129219374 | +1 312-921-9374 Illinois U.S.A.
  • 3129219375 | +1 312-921-9375 Illinois U.S.A.
  • 3129219376 | +1 312-921-9376 Illinois U.S.A.
  • 3129219377 | +1 312-921-9377 Illinois U.S.A.
  • 3129219378 | +1 312-921-9378 Illinois U.S.A.
  • 3129219379 | +1 312-921-9379 Illinois U.S.A.
  • 3129219380 | +1 312-921-9380 Illinois U.S.A.
  • 3129219381 | +1 312-921-9381 Illinois U.S.A.
  • 3129219382 | +1 312-921-9382 Illinois U.S.A.
  • 3129219383 | +1 312-921-9383 Illinois U.S.A.
  • 3129219384 | +1 312-921-9384 Illinois U.S.A.
  • 3129219385 | +1 312-921-9385 Illinois U.S.A.
  • 3129219386 | +1 312-921-9386 Illinois U.S.A.
  • 3129219387 | +1 312-921-9387 Illinois U.S.A.
  • 3129219388 | +1 312-921-9388 Illinois U.S.A.
  • 3129219389 | +1 312-921-9389 Illinois U.S.A.
  • 3129219390 | +1 312-921-9390 Illinois U.S.A.
  • 3129219391 | +1 312-921-9391 Illinois U.S.A.
  • 3129219392 | +1 312-921-9392 Illinois U.S.A.
  • 3129219393 | +1 312-921-9393 Illinois U.S.A.
  • 3129219394 | +1 312-921-9394 Illinois U.S.A.
  • 3129219395 | +1 312-921-9395 Illinois U.S.A.
  • 3129219396 | +1 312-921-9396 Illinois U.S.A.
  • 3129219397 | +1 312-921-9397 Illinois U.S.A.
  • 3129219398 | +1 312-921-9398 Illinois U.S.A.
  • 3129219399 | +1 312-921-9399 Illinois U.S.A.