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).

  • 3122444400 | +1 312-244-4400 Illinois U.S.A.
  • 3122444401 | +1 312-244-4401 Illinois U.S.A.
  • 3122444402 | +1 312-244-4402 Illinois U.S.A.
  • 3122444403 | +1 312-244-4403 Illinois U.S.A.
  • 3122444404 | +1 312-244-4404 Illinois U.S.A.
  • 3122444405 | +1 312-244-4405 Illinois U.S.A.
  • 3122444406 | +1 312-244-4406 Illinois U.S.A.
  • 3122444407 | +1 312-244-4407 Illinois U.S.A.
  • 3122444408 | +1 312-244-4408 Illinois U.S.A.
  • 3122444409 | +1 312-244-4409 Illinois U.S.A.
  • 3122444410 | +1 312-244-4410 Illinois U.S.A.
  • 3122444411 | +1 312-244-4411 Illinois U.S.A.
  • 3122444412 | +1 312-244-4412 Illinois U.S.A.
  • 3122444413 | +1 312-244-4413 Illinois U.S.A.
  • 3122444414 | +1 312-244-4414 Illinois U.S.A.
  • 3122444415 | +1 312-244-4415 Illinois U.S.A.
  • 3122444416 | +1 312-244-4416 Illinois U.S.A.
  • 3122444417 | +1 312-244-4417 Illinois U.S.A.
  • 3122444418 | +1 312-244-4418 Illinois U.S.A.
  • 3122444419 | +1 312-244-4419 Illinois U.S.A.
  • 3122444420 | +1 312-244-4420 Illinois U.S.A.
  • 3122444421 | +1 312-244-4421 Illinois U.S.A.
  • 3122444422 | +1 312-244-4422 Illinois U.S.A.
  • 3122444423 | +1 312-244-4423 Illinois U.S.A.
  • 3122444424 | +1 312-244-4424 Illinois U.S.A.
  • 3122444425 | +1 312-244-4425 Illinois U.S.A.
  • 3122444426 | +1 312-244-4426 Illinois U.S.A.
  • 3122444427 | +1 312-244-4427 Illinois U.S.A.
  • 3122444428 | +1 312-244-4428 Illinois U.S.A.
  • 3122444429 | +1 312-244-4429 Illinois U.S.A.
  • 3122444430 | +1 312-244-4430 Illinois U.S.A.
  • 3122444431 | +1 312-244-4431 Illinois U.S.A.
  • 3122444432 | +1 312-244-4432 Illinois U.S.A.
  • 3122444433 | +1 312-244-4433 Illinois U.S.A.
  • 3122444434 | +1 312-244-4434 Illinois U.S.A.
  • 3122444435 | +1 312-244-4435 Illinois U.S.A.
  • 3122444436 | +1 312-244-4436 Illinois U.S.A.
  • 3122444437 | +1 312-244-4437 Illinois U.S.A.
  • 3122444438 | +1 312-244-4438 Illinois U.S.A.
  • 3122444439 | +1 312-244-4439 Illinois U.S.A.
  • 3122444440 | +1 312-244-4440 Illinois U.S.A.
  • 3122444441 | +1 312-244-4441 Illinois U.S.A.
  • 3122444442 | +1 312-244-4442 Illinois U.S.A.
  • 3122444443 | +1 312-244-4443 Illinois U.S.A.
  • 3122444444 | +1 312-244-4444 Illinois U.S.A.
  • 3122444445 | +1 312-244-4445 Illinois U.S.A.
  • 3122444446 | +1 312-244-4446 Illinois U.S.A.
  • 3122444447 | +1 312-244-4447 Illinois U.S.A.
  • 3122444448 | +1 312-244-4448 Illinois U.S.A.
  • 3122444449 | +1 312-244-4449 Illinois U.S.A.
  • 3122444450 | +1 312-244-4450 Illinois U.S.A.
  • 3122444451 | +1 312-244-4451 Illinois U.S.A.
  • 3122444452 | +1 312-244-4452 Illinois U.S.A.
  • 3122444453 | +1 312-244-4453 Illinois U.S.A.
  • 3122444454 | +1 312-244-4454 Illinois U.S.A.
  • 3122444455 | +1 312-244-4455 Illinois U.S.A.
  • 3122444456 | +1 312-244-4456 Illinois U.S.A.
  • 3122444457 | +1 312-244-4457 Illinois U.S.A.
  • 3122444458 | +1 312-244-4458 Illinois U.S.A.
  • 3122444459 | +1 312-244-4459 Illinois U.S.A.
  • 3122444460 | +1 312-244-4460 Illinois U.S.A.
  • 3122444461 | +1 312-244-4461 Illinois U.S.A.
  • 3122444462 | +1 312-244-4462 Illinois U.S.A.
  • 3122444463 | +1 312-244-4463 Illinois U.S.A.
  • 3122444464 | +1 312-244-4464 Illinois U.S.A.
  • 3122444465 | +1 312-244-4465 Illinois U.S.A.
  • 3122444466 | +1 312-244-4466 Illinois U.S.A.
  • 3122444467 | +1 312-244-4467 Illinois U.S.A.
  • 3122444468 | +1 312-244-4468 Illinois U.S.A.
  • 3122444469 | +1 312-244-4469 Illinois U.S.A.
  • 3122444470 | +1 312-244-4470 Illinois U.S.A.
  • 3122444471 | +1 312-244-4471 Illinois U.S.A.
  • 3122444472 | +1 312-244-4472 Illinois U.S.A.
  • 3122444473 | +1 312-244-4473 Illinois U.S.A.
  • 3122444474 | +1 312-244-4474 Illinois U.S.A.
  • 3122444475 | +1 312-244-4475 Illinois U.S.A.
  • 3122444476 | +1 312-244-4476 Illinois U.S.A.
  • 3122444477 | +1 312-244-4477 Illinois U.S.A.
  • 3122444478 | +1 312-244-4478 Illinois U.S.A.
  • 3122444479 | +1 312-244-4479 Illinois U.S.A.
  • 3122444480 | +1 312-244-4480 Illinois U.S.A.
  • 3122444481 | +1 312-244-4481 Illinois U.S.A.
  • 3122444482 | +1 312-244-4482 Illinois U.S.A.
  • 3122444483 | +1 312-244-4483 Illinois U.S.A.
  • 3122444484 | +1 312-244-4484 Illinois U.S.A.
  • 3122444485 | +1 312-244-4485 Illinois U.S.A.
  • 3122444486 | +1 312-244-4486 Illinois U.S.A.
  • 3122444487 | +1 312-244-4487 Illinois U.S.A.
  • 3122444488 | +1 312-244-4488 Illinois U.S.A.
  • 3122444489 | +1 312-244-4489 Illinois U.S.A.
  • 3122444490 | +1 312-244-4490 Illinois U.S.A.
  • 3122444491 | +1 312-244-4491 Illinois U.S.A.
  • 3122444492 | +1 312-244-4492 Illinois U.S.A.
  • 3122444493 | +1 312-244-4493 Illinois U.S.A.
  • 3122444494 | +1 312-244-4494 Illinois U.S.A.
  • 3122444495 | +1 312-244-4495 Illinois U.S.A.
  • 3122444496 | +1 312-244-4496 Illinois U.S.A.
  • 3122444497 | +1 312-244-4497 Illinois U.S.A.
  • 3122444498 | +1 312-244-4498 Illinois U.S.A.
  • 3122444499 | +1 312-244-4499 Illinois U.S.A.