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).

  • 3129774400 | +1 312-977-4400 Illinois U.S.A.
  • 3129774401 | +1 312-977-4401 Illinois U.S.A.
  • 3129774402 | +1 312-977-4402 Illinois U.S.A.
  • 3129774403 | +1 312-977-4403 Illinois U.S.A.
  • 3129774404 | +1 312-977-4404 Illinois U.S.A.
  • 3129774405 | +1 312-977-4405 Illinois U.S.A.
  • 3129774406 | +1 312-977-4406 Illinois U.S.A.
  • 3129774407 | +1 312-977-4407 Illinois U.S.A.
  • 3129774408 | +1 312-977-4408 Illinois U.S.A.
  • 3129774409 | +1 312-977-4409 Illinois U.S.A.
  • 3129774410 | +1 312-977-4410 Illinois U.S.A.
  • 3129774411 | +1 312-977-4411 Illinois U.S.A.
  • 3129774412 | +1 312-977-4412 Illinois U.S.A.
  • 3129774413 | +1 312-977-4413 Illinois U.S.A.
  • 3129774414 | +1 312-977-4414 Illinois U.S.A.
  • 3129774415 | +1 312-977-4415 Illinois U.S.A.
  • 3129774416 | +1 312-977-4416 Illinois U.S.A.
  • 3129774417 | +1 312-977-4417 Illinois U.S.A.
  • 3129774418 | +1 312-977-4418 Illinois U.S.A.
  • 3129774419 | +1 312-977-4419 Illinois U.S.A.
  • 3129774420 | +1 312-977-4420 Illinois U.S.A.
  • 3129774421 | +1 312-977-4421 Illinois U.S.A.
  • 3129774422 | +1 312-977-4422 Illinois U.S.A.
  • 3129774423 | +1 312-977-4423 Illinois U.S.A.
  • 3129774424 | +1 312-977-4424 Illinois U.S.A.
  • 3129774425 | +1 312-977-4425 Illinois U.S.A.
  • 3129774426 | +1 312-977-4426 Illinois U.S.A.
  • 3129774427 | +1 312-977-4427 Illinois U.S.A.
  • 3129774428 | +1 312-977-4428 Illinois U.S.A.
  • 3129774429 | +1 312-977-4429 Illinois U.S.A.
  • 3129774430 | +1 312-977-4430 Illinois U.S.A.
  • 3129774431 | +1 312-977-4431 Illinois U.S.A.
  • 3129774432 | +1 312-977-4432 Illinois U.S.A.
  • 3129774433 | +1 312-977-4433 Illinois U.S.A.
  • 3129774434 | +1 312-977-4434 Illinois U.S.A.
  • 3129774435 | +1 312-977-4435 Illinois U.S.A.
  • 3129774436 | +1 312-977-4436 Illinois U.S.A.
  • 3129774437 | +1 312-977-4437 Illinois U.S.A.
  • 3129774438 | +1 312-977-4438 Illinois U.S.A.
  • 3129774439 | +1 312-977-4439 Illinois U.S.A.
  • 3129774440 | +1 312-977-4440 Illinois U.S.A.
  • 3129774441 | +1 312-977-4441 Illinois U.S.A.
  • 3129774442 | +1 312-977-4442 Illinois U.S.A.
  • 3129774443 | +1 312-977-4443 Illinois U.S.A.
  • 3129774444 | +1 312-977-4444 Illinois U.S.A.
  • 3129774445 | +1 312-977-4445 Illinois U.S.A.
  • 3129774446 | +1 312-977-4446 Illinois U.S.A.
  • 3129774447 | +1 312-977-4447 Illinois U.S.A.
  • 3129774448 | +1 312-977-4448 Illinois U.S.A.
  • 3129774449 | +1 312-977-4449 Illinois U.S.A.
  • 3129774450 | +1 312-977-4450 Illinois U.S.A.
  • 3129774451 | +1 312-977-4451 Illinois U.S.A.
  • 3129774452 | +1 312-977-4452 Illinois U.S.A.
  • 3129774453 | +1 312-977-4453 Illinois U.S.A.
  • 3129774454 | +1 312-977-4454 Illinois U.S.A.
  • 3129774455 | +1 312-977-4455 Illinois U.S.A.
  • 3129774456 | +1 312-977-4456 Illinois U.S.A.
  • 3129774457 | +1 312-977-4457 Illinois U.S.A.
  • 3129774458 | +1 312-977-4458 Illinois U.S.A.
  • 3129774459 | +1 312-977-4459 Illinois U.S.A.
  • 3129774460 | +1 312-977-4460 Illinois U.S.A.
  • 3129774461 | +1 312-977-4461 Illinois U.S.A.
  • 3129774462 | +1 312-977-4462 Illinois U.S.A.
  • 3129774463 | +1 312-977-4463 Illinois U.S.A.
  • 3129774464 | +1 312-977-4464 Illinois U.S.A.
  • 3129774465 | +1 312-977-4465 Illinois U.S.A.
  • 3129774466 | +1 312-977-4466 Illinois U.S.A.
  • 3129774467 | +1 312-977-4467 Illinois U.S.A.
  • 3129774468 | +1 312-977-4468 Illinois U.S.A.
  • 3129774469 | +1 312-977-4469 Illinois U.S.A.
  • 3129774470 | +1 312-977-4470 Illinois U.S.A.
  • 3129774471 | +1 312-977-4471 Illinois U.S.A.
  • 3129774472 | +1 312-977-4472 Illinois U.S.A.
  • 3129774473 | +1 312-977-4473 Illinois U.S.A.
  • 3129774474 | +1 312-977-4474 Illinois U.S.A.
  • 3129774475 | +1 312-977-4475 Illinois U.S.A.
  • 3129774476 | +1 312-977-4476 Illinois U.S.A.
  • 3129774477 | +1 312-977-4477 Illinois U.S.A.
  • 3129774478 | +1 312-977-4478 Illinois U.S.A.
  • 3129774479 | +1 312-977-4479 Illinois U.S.A.
  • 3129774480 | +1 312-977-4480 Illinois U.S.A.
  • 3129774481 | +1 312-977-4481 Illinois U.S.A.
  • 3129774482 | +1 312-977-4482 Illinois U.S.A.
  • 3129774483 | +1 312-977-4483 Illinois U.S.A.
  • 3129774484 | +1 312-977-4484 Illinois U.S.A.
  • 3129774485 | +1 312-977-4485 Illinois U.S.A.
  • 3129774486 | +1 312-977-4486 Illinois U.S.A.
  • 3129774487 | +1 312-977-4487 Illinois U.S.A.
  • 3129774488 | +1 312-977-4488 Illinois U.S.A.
  • 3129774489 | +1 312-977-4489 Illinois U.S.A.
  • 3129774490 | +1 312-977-4490 Illinois U.S.A.
  • 3129774491 | +1 312-977-4491 Illinois U.S.A.
  • 3129774492 | +1 312-977-4492 Illinois U.S.A.
  • 3129774493 | +1 312-977-4493 Illinois U.S.A.
  • 3129774494 | +1 312-977-4494 Illinois U.S.A.
  • 3129774495 | +1 312-977-4495 Illinois U.S.A.
  • 3129774496 | +1 312-977-4496 Illinois U.S.A.
  • 3129774497 | +1 312-977-4497 Illinois U.S.A.
  • 3129774498 | +1 312-977-4498 Illinois U.S.A.
  • 3129774499 | +1 312-977-4499 Illinois U.S.A.