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).

  • 3122399300 | +1 312-239-9300 Illinois U.S.A.
  • 3122399301 | +1 312-239-9301 Illinois U.S.A.
  • 3122399302 | +1 312-239-9302 Illinois U.S.A.
  • 3122399303 | +1 312-239-9303 Illinois U.S.A.
  • 3122399304 | +1 312-239-9304 Illinois U.S.A.
  • 3122399305 | +1 312-239-9305 Illinois U.S.A.
  • 3122399306 | +1 312-239-9306 Illinois U.S.A.
  • 3122399307 | +1 312-239-9307 Illinois U.S.A.
  • 3122399308 | +1 312-239-9308 Illinois U.S.A.
  • 3122399309 | +1 312-239-9309 Illinois U.S.A.
  • 3122399310 | +1 312-239-9310 Illinois U.S.A.
  • 3122399311 | +1 312-239-9311 Illinois U.S.A.
  • 3122399312 | +1 312-239-9312 Illinois U.S.A.
  • 3122399313 | +1 312-239-9313 Illinois U.S.A.
  • 3122399314 | +1 312-239-9314 Illinois U.S.A.
  • 3122399315 | +1 312-239-9315 Illinois U.S.A.
  • 3122399316 | +1 312-239-9316 Illinois U.S.A.
  • 3122399317 | +1 312-239-9317 Illinois U.S.A.
  • 3122399318 | +1 312-239-9318 Illinois U.S.A.
  • 3122399319 | +1 312-239-9319 Illinois U.S.A.
  • 3122399320 | +1 312-239-9320 Illinois U.S.A.
  • 3122399321 | +1 312-239-9321 Illinois U.S.A.
  • 3122399322 | +1 312-239-9322 Illinois U.S.A.
  • 3122399323 | +1 312-239-9323 Illinois U.S.A.
  • 3122399324 | +1 312-239-9324 Illinois U.S.A.
  • 3122399325 | +1 312-239-9325 Illinois U.S.A.
  • 3122399326 | +1 312-239-9326 Illinois U.S.A.
  • 3122399327 | +1 312-239-9327 Illinois U.S.A.
  • 3122399328 | +1 312-239-9328 Illinois U.S.A.
  • 3122399329 | +1 312-239-9329 Illinois U.S.A.
  • 3122399330 | +1 312-239-9330 Illinois U.S.A.
  • 3122399331 | +1 312-239-9331 Illinois U.S.A.
  • 3122399332 | +1 312-239-9332 Illinois U.S.A.
  • 3122399333 | +1 312-239-9333 Illinois U.S.A.
  • 3122399334 | +1 312-239-9334 Illinois U.S.A.
  • 3122399335 | +1 312-239-9335 Illinois U.S.A.
  • 3122399336 | +1 312-239-9336 Illinois U.S.A.
  • 3122399337 | +1 312-239-9337 Illinois U.S.A.
  • 3122399338 | +1 312-239-9338 Illinois U.S.A.
  • 3122399339 | +1 312-239-9339 Illinois U.S.A.
  • 3122399340 | +1 312-239-9340 Illinois U.S.A.
  • 3122399341 | +1 312-239-9341 Illinois U.S.A.
  • 3122399342 | +1 312-239-9342 Illinois U.S.A.
  • 3122399343 | +1 312-239-9343 Illinois U.S.A.
  • 3122399344 | +1 312-239-9344 Illinois U.S.A.
  • 3122399345 | +1 312-239-9345 Illinois U.S.A.
  • 3122399346 | +1 312-239-9346 Illinois U.S.A.
  • 3122399347 | +1 312-239-9347 Illinois U.S.A.
  • 3122399348 | +1 312-239-9348 Illinois U.S.A.
  • 3122399349 | +1 312-239-9349 Illinois U.S.A.
  • 3122399350 | +1 312-239-9350 Illinois U.S.A.
  • 3122399351 | +1 312-239-9351 Illinois U.S.A.
  • 3122399352 | +1 312-239-9352 Illinois U.S.A.
  • 3122399353 | +1 312-239-9353 Illinois U.S.A.
  • 3122399354 | +1 312-239-9354 Illinois U.S.A.
  • 3122399355 | +1 312-239-9355 Illinois U.S.A.
  • 3122399356 | +1 312-239-9356 Illinois U.S.A.
  • 3122399357 | +1 312-239-9357 Illinois U.S.A.
  • 3122399358 | +1 312-239-9358 Illinois U.S.A.
  • 3122399359 | +1 312-239-9359 Illinois U.S.A.
  • 3122399360 | +1 312-239-9360 Illinois U.S.A.
  • 3122399361 | +1 312-239-9361 Illinois U.S.A.
  • 3122399362 | +1 312-239-9362 Illinois U.S.A.
  • 3122399363 | +1 312-239-9363 Illinois U.S.A.
  • 3122399364 | +1 312-239-9364 Illinois U.S.A.
  • 3122399365 | +1 312-239-9365 Illinois U.S.A.
  • 3122399366 | +1 312-239-9366 Illinois U.S.A.
  • 3122399367 | +1 312-239-9367 Illinois U.S.A.
  • 3122399368 | +1 312-239-9368 Illinois U.S.A.
  • 3122399369 | +1 312-239-9369 Illinois U.S.A.
  • 3122399370 | +1 312-239-9370 Illinois U.S.A.
  • 3122399371 | +1 312-239-9371 Illinois U.S.A.
  • 3122399372 | +1 312-239-9372 Illinois U.S.A.
  • 3122399373 | +1 312-239-9373 Illinois U.S.A.
  • 3122399374 | +1 312-239-9374 Illinois U.S.A.
  • 3122399375 | +1 312-239-9375 Illinois U.S.A.
  • 3122399376 | +1 312-239-9376 Illinois U.S.A.
  • 3122399377 | +1 312-239-9377 Illinois U.S.A.
  • 3122399378 | +1 312-239-9378 Illinois U.S.A.
  • 3122399379 | +1 312-239-9379 Illinois U.S.A.
  • 3122399380 | +1 312-239-9380 Illinois U.S.A.
  • 3122399381 | +1 312-239-9381 Illinois U.S.A.
  • 3122399382 | +1 312-239-9382 Illinois U.S.A.
  • 3122399383 | +1 312-239-9383 Illinois U.S.A.
  • 3122399384 | +1 312-239-9384 Illinois U.S.A.
  • 3122399385 | +1 312-239-9385 Illinois U.S.A.
  • 3122399386 | +1 312-239-9386 Illinois U.S.A.
  • 3122399387 | +1 312-239-9387 Illinois U.S.A.
  • 3122399388 | +1 312-239-9388 Illinois U.S.A.
  • 3122399389 | +1 312-239-9389 Illinois U.S.A.
  • 3122399390 | +1 312-239-9390 Illinois U.S.A.
  • 3122399391 | +1 312-239-9391 Illinois U.S.A.
  • 3122399392 | +1 312-239-9392 Illinois U.S.A.
  • 3122399393 | +1 312-239-9393 Illinois U.S.A.
  • 3122399394 | +1 312-239-9394 Illinois U.S.A.
  • 3122399395 | +1 312-239-9395 Illinois U.S.A.
  • 3122399396 | +1 312-239-9396 Illinois U.S.A.
  • 3122399397 | +1 312-239-9397 Illinois U.S.A.
  • 3122399398 | +1 312-239-9398 Illinois U.S.A.
  • 3122399399 | +1 312-239-9399 Illinois U.S.A.