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).

  • 3125034400 | +1 312-503-4400 Illinois U.S.A.
  • 3125034401 | +1 312-503-4401 Illinois U.S.A.
  • 3125034402 | +1 312-503-4402 Illinois U.S.A.
  • 3125034403 | +1 312-503-4403 Illinois U.S.A.
  • 3125034404 | +1 312-503-4404 Illinois U.S.A.
  • 3125034405 | +1 312-503-4405 Illinois U.S.A.
  • 3125034406 | +1 312-503-4406 Illinois U.S.A.
  • 3125034407 | +1 312-503-4407 Illinois U.S.A.
  • 3125034408 | +1 312-503-4408 Illinois U.S.A.
  • 3125034409 | +1 312-503-4409 Illinois U.S.A.
  • 3125034410 | +1 312-503-4410 Illinois U.S.A.
  • 3125034411 | +1 312-503-4411 Illinois U.S.A.
  • 3125034412 | +1 312-503-4412 Illinois U.S.A.
  • 3125034413 | +1 312-503-4413 Illinois U.S.A.
  • 3125034414 | +1 312-503-4414 Illinois U.S.A.
  • 3125034415 | +1 312-503-4415 Illinois U.S.A.
  • 3125034416 | +1 312-503-4416 Illinois U.S.A.
  • 3125034417 | +1 312-503-4417 Illinois U.S.A.
  • 3125034418 | +1 312-503-4418 Illinois U.S.A.
  • 3125034419 | +1 312-503-4419 Illinois U.S.A.
  • 3125034420 | +1 312-503-4420 Illinois U.S.A.
  • 3125034421 | +1 312-503-4421 Illinois U.S.A.
  • 3125034422 | +1 312-503-4422 Illinois U.S.A.
  • 3125034423 | +1 312-503-4423 Illinois U.S.A.
  • 3125034424 | +1 312-503-4424 Illinois U.S.A.
  • 3125034425 | +1 312-503-4425 Illinois U.S.A.
  • 3125034426 | +1 312-503-4426 Illinois U.S.A.
  • 3125034427 | +1 312-503-4427 Illinois U.S.A.
  • 3125034428 | +1 312-503-4428 Illinois U.S.A.
  • 3125034429 | +1 312-503-4429 Illinois U.S.A.
  • 3125034430 | +1 312-503-4430 Illinois U.S.A.
  • 3125034431 | +1 312-503-4431 Illinois U.S.A.
  • 3125034432 | +1 312-503-4432 Illinois U.S.A.
  • 3125034433 | +1 312-503-4433 Illinois U.S.A.
  • 3125034434 | +1 312-503-4434 Illinois U.S.A.
  • 3125034435 | +1 312-503-4435 Illinois U.S.A.
  • 3125034436 | +1 312-503-4436 Illinois U.S.A.
  • 3125034437 | +1 312-503-4437 Illinois U.S.A.
  • 3125034438 | +1 312-503-4438 Illinois U.S.A.
  • 3125034439 | +1 312-503-4439 Illinois U.S.A.
  • 3125034440 | +1 312-503-4440 Illinois U.S.A.
  • 3125034441 | +1 312-503-4441 Illinois U.S.A.
  • 3125034442 | +1 312-503-4442 Illinois U.S.A.
  • 3125034443 | +1 312-503-4443 Illinois U.S.A.
  • 3125034444 | +1 312-503-4444 Illinois U.S.A.
  • 3125034445 | +1 312-503-4445 Illinois U.S.A.
  • 3125034446 | +1 312-503-4446 Illinois U.S.A.
  • 3125034447 | +1 312-503-4447 Illinois U.S.A.
  • 3125034448 | +1 312-503-4448 Illinois U.S.A.
  • 3125034449 | +1 312-503-4449 Illinois U.S.A.
  • 3125034450 | +1 312-503-4450 Illinois U.S.A.
  • 3125034451 | +1 312-503-4451 Illinois U.S.A.
  • 3125034452 | +1 312-503-4452 Illinois U.S.A.
  • 3125034453 | +1 312-503-4453 Illinois U.S.A.
  • 3125034454 | +1 312-503-4454 Illinois U.S.A.
  • 3125034455 | +1 312-503-4455 Illinois U.S.A.
  • 3125034456 | +1 312-503-4456 Illinois U.S.A.
  • 3125034457 | +1 312-503-4457 Illinois U.S.A.
  • 3125034458 | +1 312-503-4458 Illinois U.S.A.
  • 3125034459 | +1 312-503-4459 Illinois U.S.A.
  • 3125034460 | +1 312-503-4460 Illinois U.S.A.
  • 3125034461 | +1 312-503-4461 Illinois U.S.A.
  • 3125034462 | +1 312-503-4462 Illinois U.S.A.
  • 3125034463 | +1 312-503-4463 Illinois U.S.A.
  • 3125034464 | +1 312-503-4464 Illinois U.S.A.
  • 3125034465 | +1 312-503-4465 Illinois U.S.A.
  • 3125034466 | +1 312-503-4466 Illinois U.S.A.
  • 3125034467 | +1 312-503-4467 Illinois U.S.A.
  • 3125034468 | +1 312-503-4468 Illinois U.S.A.
  • 3125034469 | +1 312-503-4469 Illinois U.S.A.
  • 3125034470 | +1 312-503-4470 Illinois U.S.A.
  • 3125034471 | +1 312-503-4471 Illinois U.S.A.
  • 3125034472 | +1 312-503-4472 Illinois U.S.A.
  • 3125034473 | +1 312-503-4473 Illinois U.S.A.
  • 3125034474 | +1 312-503-4474 Illinois U.S.A.
  • 3125034475 | +1 312-503-4475 Illinois U.S.A.
  • 3125034476 | +1 312-503-4476 Illinois U.S.A.
  • 3125034477 | +1 312-503-4477 Illinois U.S.A.
  • 3125034478 | +1 312-503-4478 Illinois U.S.A.
  • 3125034479 | +1 312-503-4479 Illinois U.S.A.
  • 3125034480 | +1 312-503-4480 Illinois U.S.A.
  • 3125034481 | +1 312-503-4481 Illinois U.S.A.
  • 3125034482 | +1 312-503-4482 Illinois U.S.A.
  • 3125034483 | +1 312-503-4483 Illinois U.S.A.
  • 3125034484 | +1 312-503-4484 Illinois U.S.A.
  • 3125034485 | +1 312-503-4485 Illinois U.S.A.
  • 3125034486 | +1 312-503-4486 Illinois U.S.A.
  • 3125034487 | +1 312-503-4487 Illinois U.S.A.
  • 3125034488 | +1 312-503-4488 Illinois U.S.A.
  • 3125034489 | +1 312-503-4489 Illinois U.S.A.
  • 3125034490 | +1 312-503-4490 Illinois U.S.A.
  • 3125034491 | +1 312-503-4491 Illinois U.S.A.
  • 3125034492 | +1 312-503-4492 Illinois U.S.A.
  • 3125034493 | +1 312-503-4493 Illinois U.S.A.
  • 3125034494 | +1 312-503-4494 Illinois U.S.A.
  • 3125034495 | +1 312-503-4495 Illinois U.S.A.
  • 3125034496 | +1 312-503-4496 Illinois U.S.A.
  • 3125034497 | +1 312-503-4497 Illinois U.S.A.
  • 3125034498 | +1 312-503-4498 Illinois U.S.A.
  • 3125034499 | +1 312-503-4499 Illinois U.S.A.