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).

  • 3123060300 | +1 312-306-0300 Illinois U.S.A.
  • 3123060301 | +1 312-306-0301 Illinois U.S.A.
  • 3123060302 | +1 312-306-0302 Illinois U.S.A.
  • 3123060303 | +1 312-306-0303 Illinois U.S.A.
  • 3123060304 | +1 312-306-0304 Illinois U.S.A.
  • 3123060305 | +1 312-306-0305 Illinois U.S.A.
  • 3123060306 | +1 312-306-0306 Illinois U.S.A.
  • 3123060307 | +1 312-306-0307 Illinois U.S.A.
  • 3123060308 | +1 312-306-0308 Illinois U.S.A.
  • 3123060309 | +1 312-306-0309 Illinois U.S.A.
  • 3123060310 | +1 312-306-0310 Illinois U.S.A.
  • 3123060311 | +1 312-306-0311 Illinois U.S.A.
  • 3123060312 | +1 312-306-0312 Illinois U.S.A.
  • 3123060313 | +1 312-306-0313 Illinois U.S.A.
  • 3123060314 | +1 312-306-0314 Illinois U.S.A.
  • 3123060315 | +1 312-306-0315 Illinois U.S.A.
  • 3123060316 | +1 312-306-0316 Illinois U.S.A.
  • 3123060317 | +1 312-306-0317 Illinois U.S.A.
  • 3123060318 | +1 312-306-0318 Illinois U.S.A.
  • 3123060319 | +1 312-306-0319 Illinois U.S.A.
  • 3123060320 | +1 312-306-0320 Illinois U.S.A.
  • 3123060321 | +1 312-306-0321 Illinois U.S.A.
  • 3123060322 | +1 312-306-0322 Illinois U.S.A.
  • 3123060323 | +1 312-306-0323 Illinois U.S.A.
  • 3123060324 | +1 312-306-0324 Illinois U.S.A.
  • 3123060325 | +1 312-306-0325 Illinois U.S.A.
  • 3123060326 | +1 312-306-0326 Illinois U.S.A.
  • 3123060327 | +1 312-306-0327 Illinois U.S.A.
  • 3123060328 | +1 312-306-0328 Illinois U.S.A.
  • 3123060329 | +1 312-306-0329 Illinois U.S.A.
  • 3123060330 | +1 312-306-0330 Illinois U.S.A.
  • 3123060331 | +1 312-306-0331 Illinois U.S.A.
  • 3123060332 | +1 312-306-0332 Illinois U.S.A.
  • 3123060333 | +1 312-306-0333 Illinois U.S.A.
  • 3123060334 | +1 312-306-0334 Illinois U.S.A.
  • 3123060335 | +1 312-306-0335 Illinois U.S.A.
  • 3123060336 | +1 312-306-0336 Illinois U.S.A.
  • 3123060337 | +1 312-306-0337 Illinois U.S.A.
  • 3123060338 | +1 312-306-0338 Illinois U.S.A.
  • 3123060339 | +1 312-306-0339 Illinois U.S.A.
  • 3123060340 | +1 312-306-0340 Illinois U.S.A.
  • 3123060341 | +1 312-306-0341 Illinois U.S.A.
  • 3123060342 | +1 312-306-0342 Illinois U.S.A.
  • 3123060343 | +1 312-306-0343 Illinois U.S.A.
  • 3123060344 | +1 312-306-0344 Illinois U.S.A.
  • 3123060345 | +1 312-306-0345 Illinois U.S.A.
  • 3123060346 | +1 312-306-0346 Illinois U.S.A.
  • 3123060347 | +1 312-306-0347 Illinois U.S.A.
  • 3123060348 | +1 312-306-0348 Illinois U.S.A.
  • 3123060349 | +1 312-306-0349 Illinois U.S.A.
  • 3123060350 | +1 312-306-0350 Illinois U.S.A.
  • 3123060351 | +1 312-306-0351 Illinois U.S.A.
  • 3123060352 | +1 312-306-0352 Illinois U.S.A.
  • 3123060353 | +1 312-306-0353 Illinois U.S.A.
  • 3123060354 | +1 312-306-0354 Illinois U.S.A.
  • 3123060355 | +1 312-306-0355 Illinois U.S.A.
  • 3123060356 | +1 312-306-0356 Illinois U.S.A.
  • 3123060357 | +1 312-306-0357 Illinois U.S.A.
  • 3123060358 | +1 312-306-0358 Illinois U.S.A.
  • 3123060359 | +1 312-306-0359 Illinois U.S.A.
  • 3123060360 | +1 312-306-0360 Illinois U.S.A.
  • 3123060361 | +1 312-306-0361 Illinois U.S.A.
  • 3123060362 | +1 312-306-0362 Illinois U.S.A.
  • 3123060363 | +1 312-306-0363 Illinois U.S.A.
  • 3123060364 | +1 312-306-0364 Illinois U.S.A.
  • 3123060365 | +1 312-306-0365 Illinois U.S.A.
  • 3123060366 | +1 312-306-0366 Illinois U.S.A.
  • 3123060367 | +1 312-306-0367 Illinois U.S.A.
  • 3123060368 | +1 312-306-0368 Illinois U.S.A.
  • 3123060369 | +1 312-306-0369 Illinois U.S.A.
  • 3123060370 | +1 312-306-0370 Illinois U.S.A.
  • 3123060371 | +1 312-306-0371 Illinois U.S.A.
  • 3123060372 | +1 312-306-0372 Illinois U.S.A.
  • 3123060373 | +1 312-306-0373 Illinois U.S.A.
  • 3123060374 | +1 312-306-0374 Illinois U.S.A.
  • 3123060375 | +1 312-306-0375 Illinois U.S.A.
  • 3123060376 | +1 312-306-0376 Illinois U.S.A.
  • 3123060377 | +1 312-306-0377 Illinois U.S.A.
  • 3123060378 | +1 312-306-0378 Illinois U.S.A.
  • 3123060379 | +1 312-306-0379 Illinois U.S.A.
  • 3123060380 | +1 312-306-0380 Illinois U.S.A.
  • 3123060381 | +1 312-306-0381 Illinois U.S.A.
  • 3123060382 | +1 312-306-0382 Illinois U.S.A.
  • 3123060383 | +1 312-306-0383 Illinois U.S.A.
  • 3123060384 | +1 312-306-0384 Illinois U.S.A.
  • 3123060385 | +1 312-306-0385 Illinois U.S.A.
  • 3123060386 | +1 312-306-0386 Illinois U.S.A.
  • 3123060387 | +1 312-306-0387 Illinois U.S.A.
  • 3123060388 | +1 312-306-0388 Illinois U.S.A.
  • 3123060389 | +1 312-306-0389 Illinois U.S.A.
  • 3123060390 | +1 312-306-0390 Illinois U.S.A.
  • 3123060391 | +1 312-306-0391 Illinois U.S.A.
  • 3123060392 | +1 312-306-0392 Illinois U.S.A.
  • 3123060393 | +1 312-306-0393 Illinois U.S.A.
  • 3123060394 | +1 312-306-0394 Illinois U.S.A.
  • 3123060395 | +1 312-306-0395 Illinois U.S.A.
  • 3123060396 | +1 312-306-0396 Illinois U.S.A.
  • 3123060397 | +1 312-306-0397 Illinois U.S.A.
  • 3123060398 | +1 312-306-0398 Illinois U.S.A.
  • 3123060399 | +1 312-306-0399 Illinois U.S.A.