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).

  • 3124794400 | +1 312-479-4400 Illinois U.S.A.
  • 3124794401 | +1 312-479-4401 Illinois U.S.A.
  • 3124794402 | +1 312-479-4402 Illinois U.S.A.
  • 3124794403 | +1 312-479-4403 Illinois U.S.A.
  • 3124794404 | +1 312-479-4404 Illinois U.S.A.
  • 3124794405 | +1 312-479-4405 Illinois U.S.A.
  • 3124794406 | +1 312-479-4406 Illinois U.S.A.
  • 3124794407 | +1 312-479-4407 Illinois U.S.A.
  • 3124794408 | +1 312-479-4408 Illinois U.S.A.
  • 3124794409 | +1 312-479-4409 Illinois U.S.A.
  • 3124794410 | +1 312-479-4410 Illinois U.S.A.
  • 3124794411 | +1 312-479-4411 Illinois U.S.A.
  • 3124794412 | +1 312-479-4412 Illinois U.S.A.
  • 3124794413 | +1 312-479-4413 Illinois U.S.A.
  • 3124794414 | +1 312-479-4414 Illinois U.S.A.
  • 3124794415 | +1 312-479-4415 Illinois U.S.A.
  • 3124794416 | +1 312-479-4416 Illinois U.S.A.
  • 3124794417 | +1 312-479-4417 Illinois U.S.A.
  • 3124794418 | +1 312-479-4418 Illinois U.S.A.
  • 3124794419 | +1 312-479-4419 Illinois U.S.A.
  • 3124794420 | +1 312-479-4420 Illinois U.S.A.
  • 3124794421 | +1 312-479-4421 Illinois U.S.A.
  • 3124794422 | +1 312-479-4422 Illinois U.S.A.
  • 3124794423 | +1 312-479-4423 Illinois U.S.A.
  • 3124794424 | +1 312-479-4424 Illinois U.S.A.
  • 3124794425 | +1 312-479-4425 Illinois U.S.A.
  • 3124794426 | +1 312-479-4426 Illinois U.S.A.
  • 3124794427 | +1 312-479-4427 Illinois U.S.A.
  • 3124794428 | +1 312-479-4428 Illinois U.S.A.
  • 3124794429 | +1 312-479-4429 Illinois U.S.A.
  • 3124794430 | +1 312-479-4430 Illinois U.S.A.
  • 3124794431 | +1 312-479-4431 Illinois U.S.A.
  • 3124794432 | +1 312-479-4432 Illinois U.S.A.
  • 3124794433 | +1 312-479-4433 Illinois U.S.A.
  • 3124794434 | +1 312-479-4434 Illinois U.S.A.
  • 3124794435 | +1 312-479-4435 Illinois U.S.A.
  • 3124794436 | +1 312-479-4436 Illinois U.S.A.
  • 3124794437 | +1 312-479-4437 Illinois U.S.A.
  • 3124794438 | +1 312-479-4438 Illinois U.S.A.
  • 3124794439 | +1 312-479-4439 Illinois U.S.A.
  • 3124794440 | +1 312-479-4440 Illinois U.S.A.
  • 3124794441 | +1 312-479-4441 Illinois U.S.A.
  • 3124794442 | +1 312-479-4442 Illinois U.S.A.
  • 3124794443 | +1 312-479-4443 Illinois U.S.A.
  • 3124794444 | +1 312-479-4444 Illinois U.S.A.
  • 3124794445 | +1 312-479-4445 Illinois U.S.A.
  • 3124794446 | +1 312-479-4446 Illinois U.S.A.
  • 3124794447 | +1 312-479-4447 Illinois U.S.A.
  • 3124794448 | +1 312-479-4448 Illinois U.S.A.
  • 3124794449 | +1 312-479-4449 Illinois U.S.A.
  • 3124794450 | +1 312-479-4450 Illinois U.S.A.
  • 3124794451 | +1 312-479-4451 Illinois U.S.A.
  • 3124794452 | +1 312-479-4452 Illinois U.S.A.
  • 3124794453 | +1 312-479-4453 Illinois U.S.A.
  • 3124794454 | +1 312-479-4454 Illinois U.S.A.
  • 3124794455 | +1 312-479-4455 Illinois U.S.A.
  • 3124794456 | +1 312-479-4456 Illinois U.S.A.
  • 3124794457 | +1 312-479-4457 Illinois U.S.A.
  • 3124794458 | +1 312-479-4458 Illinois U.S.A.
  • 3124794459 | +1 312-479-4459 Illinois U.S.A.
  • 3124794460 | +1 312-479-4460 Illinois U.S.A.
  • 3124794461 | +1 312-479-4461 Illinois U.S.A.
  • 3124794462 | +1 312-479-4462 Illinois U.S.A.
  • 3124794463 | +1 312-479-4463 Illinois U.S.A.
  • 3124794464 | +1 312-479-4464 Illinois U.S.A.
  • 3124794465 | +1 312-479-4465 Illinois U.S.A.
  • 3124794466 | +1 312-479-4466 Illinois U.S.A.
  • 3124794467 | +1 312-479-4467 Illinois U.S.A.
  • 3124794468 | +1 312-479-4468 Illinois U.S.A.
  • 3124794469 | +1 312-479-4469 Illinois U.S.A.
  • 3124794470 | +1 312-479-4470 Illinois U.S.A.
  • 3124794471 | +1 312-479-4471 Illinois U.S.A.
  • 3124794472 | +1 312-479-4472 Illinois U.S.A.
  • 3124794473 | +1 312-479-4473 Illinois U.S.A.
  • 3124794474 | +1 312-479-4474 Illinois U.S.A.
  • 3124794475 | +1 312-479-4475 Illinois U.S.A.
  • 3124794476 | +1 312-479-4476 Illinois U.S.A.
  • 3124794477 | +1 312-479-4477 Illinois U.S.A.
  • 3124794478 | +1 312-479-4478 Illinois U.S.A.
  • 3124794479 | +1 312-479-4479 Illinois U.S.A.
  • 3124794480 | +1 312-479-4480 Illinois U.S.A.
  • 3124794481 | +1 312-479-4481 Illinois U.S.A.
  • 3124794482 | +1 312-479-4482 Illinois U.S.A.
  • 3124794483 | +1 312-479-4483 Illinois U.S.A.
  • 3124794484 | +1 312-479-4484 Illinois U.S.A.
  • 3124794485 | +1 312-479-4485 Illinois U.S.A.
  • 3124794486 | +1 312-479-4486 Illinois U.S.A.
  • 3124794487 | +1 312-479-4487 Illinois U.S.A.
  • 3124794488 | +1 312-479-4488 Illinois U.S.A.
  • 3124794489 | +1 312-479-4489 Illinois U.S.A.
  • 3124794490 | +1 312-479-4490 Illinois U.S.A.
  • 3124794491 | +1 312-479-4491 Illinois U.S.A.
  • 3124794492 | +1 312-479-4492 Illinois U.S.A.
  • 3124794493 | +1 312-479-4493 Illinois U.S.A.
  • 3124794494 | +1 312-479-4494 Illinois U.S.A.
  • 3124794495 | +1 312-479-4495 Illinois U.S.A.
  • 3124794496 | +1 312-479-4496 Illinois U.S.A.
  • 3124794497 | +1 312-479-4497 Illinois U.S.A.
  • 3124794498 | +1 312-479-4498 Illinois U.S.A.
  • 3124794499 | +1 312-479-4499 Illinois U.S.A.