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).

  • 3123064400 | +1 312-306-4400 Illinois U.S.A.
  • 3123064401 | +1 312-306-4401 Illinois U.S.A.
  • 3123064402 | +1 312-306-4402 Illinois U.S.A.
  • 3123064403 | +1 312-306-4403 Illinois U.S.A.
  • 3123064404 | +1 312-306-4404 Illinois U.S.A.
  • 3123064405 | +1 312-306-4405 Illinois U.S.A.
  • 3123064406 | +1 312-306-4406 Illinois U.S.A.
  • 3123064407 | +1 312-306-4407 Illinois U.S.A.
  • 3123064408 | +1 312-306-4408 Illinois U.S.A.
  • 3123064409 | +1 312-306-4409 Illinois U.S.A.
  • 3123064410 | +1 312-306-4410 Illinois U.S.A.
  • 3123064411 | +1 312-306-4411 Illinois U.S.A.
  • 3123064412 | +1 312-306-4412 Illinois U.S.A.
  • 3123064413 | +1 312-306-4413 Illinois U.S.A.
  • 3123064414 | +1 312-306-4414 Illinois U.S.A.
  • 3123064415 | +1 312-306-4415 Illinois U.S.A.
  • 3123064416 | +1 312-306-4416 Illinois U.S.A.
  • 3123064417 | +1 312-306-4417 Illinois U.S.A.
  • 3123064418 | +1 312-306-4418 Illinois U.S.A.
  • 3123064419 | +1 312-306-4419 Illinois U.S.A.
  • 3123064420 | +1 312-306-4420 Illinois U.S.A.
  • 3123064421 | +1 312-306-4421 Illinois U.S.A.
  • 3123064422 | +1 312-306-4422 Illinois U.S.A.
  • 3123064423 | +1 312-306-4423 Illinois U.S.A.
  • 3123064424 | +1 312-306-4424 Illinois U.S.A.
  • 3123064425 | +1 312-306-4425 Illinois U.S.A.
  • 3123064426 | +1 312-306-4426 Illinois U.S.A.
  • 3123064427 | +1 312-306-4427 Illinois U.S.A.
  • 3123064428 | +1 312-306-4428 Illinois U.S.A.
  • 3123064429 | +1 312-306-4429 Illinois U.S.A.
  • 3123064430 | +1 312-306-4430 Illinois U.S.A.
  • 3123064431 | +1 312-306-4431 Illinois U.S.A.
  • 3123064432 | +1 312-306-4432 Illinois U.S.A.
  • 3123064433 | +1 312-306-4433 Illinois U.S.A.
  • 3123064434 | +1 312-306-4434 Illinois U.S.A.
  • 3123064435 | +1 312-306-4435 Illinois U.S.A.
  • 3123064436 | +1 312-306-4436 Illinois U.S.A.
  • 3123064437 | +1 312-306-4437 Illinois U.S.A.
  • 3123064438 | +1 312-306-4438 Illinois U.S.A.
  • 3123064439 | +1 312-306-4439 Illinois U.S.A.
  • 3123064440 | +1 312-306-4440 Illinois U.S.A.
  • 3123064441 | +1 312-306-4441 Illinois U.S.A.
  • 3123064442 | +1 312-306-4442 Illinois U.S.A.
  • 3123064443 | +1 312-306-4443 Illinois U.S.A.
  • 3123064444 | +1 312-306-4444 Illinois U.S.A.
  • 3123064445 | +1 312-306-4445 Illinois U.S.A.
  • 3123064446 | +1 312-306-4446 Illinois U.S.A.
  • 3123064447 | +1 312-306-4447 Illinois U.S.A.
  • 3123064448 | +1 312-306-4448 Illinois U.S.A.
  • 3123064449 | +1 312-306-4449 Illinois U.S.A.
  • 3123064450 | +1 312-306-4450 Illinois U.S.A.
  • 3123064451 | +1 312-306-4451 Illinois U.S.A.
  • 3123064452 | +1 312-306-4452 Illinois U.S.A.
  • 3123064453 | +1 312-306-4453 Illinois U.S.A.
  • 3123064454 | +1 312-306-4454 Illinois U.S.A.
  • 3123064455 | +1 312-306-4455 Illinois U.S.A.
  • 3123064456 | +1 312-306-4456 Illinois U.S.A.
  • 3123064457 | +1 312-306-4457 Illinois U.S.A.
  • 3123064458 | +1 312-306-4458 Illinois U.S.A.
  • 3123064459 | +1 312-306-4459 Illinois U.S.A.
  • 3123064460 | +1 312-306-4460 Illinois U.S.A.
  • 3123064461 | +1 312-306-4461 Illinois U.S.A.
  • 3123064462 | +1 312-306-4462 Illinois U.S.A.
  • 3123064463 | +1 312-306-4463 Illinois U.S.A.
  • 3123064464 | +1 312-306-4464 Illinois U.S.A.
  • 3123064465 | +1 312-306-4465 Illinois U.S.A.
  • 3123064466 | +1 312-306-4466 Illinois U.S.A.
  • 3123064467 | +1 312-306-4467 Illinois U.S.A.
  • 3123064468 | +1 312-306-4468 Illinois U.S.A.
  • 3123064469 | +1 312-306-4469 Illinois U.S.A.
  • 3123064470 | +1 312-306-4470 Illinois U.S.A.
  • 3123064471 | +1 312-306-4471 Illinois U.S.A.
  • 3123064472 | +1 312-306-4472 Illinois U.S.A.
  • 3123064473 | +1 312-306-4473 Illinois U.S.A.
  • 3123064474 | +1 312-306-4474 Illinois U.S.A.
  • 3123064475 | +1 312-306-4475 Illinois U.S.A.
  • 3123064476 | +1 312-306-4476 Illinois U.S.A.
  • 3123064477 | +1 312-306-4477 Illinois U.S.A.
  • 3123064478 | +1 312-306-4478 Illinois U.S.A.
  • 3123064479 | +1 312-306-4479 Illinois U.S.A.
  • 3123064480 | +1 312-306-4480 Illinois U.S.A.
  • 3123064481 | +1 312-306-4481 Illinois U.S.A.
  • 3123064482 | +1 312-306-4482 Illinois U.S.A.
  • 3123064483 | +1 312-306-4483 Illinois U.S.A.
  • 3123064484 | +1 312-306-4484 Illinois U.S.A.
  • 3123064485 | +1 312-306-4485 Illinois U.S.A.
  • 3123064486 | +1 312-306-4486 Illinois U.S.A.
  • 3123064487 | +1 312-306-4487 Illinois U.S.A.
  • 3123064488 | +1 312-306-4488 Illinois U.S.A.
  • 3123064489 | +1 312-306-4489 Illinois U.S.A.
  • 3123064490 | +1 312-306-4490 Illinois U.S.A.
  • 3123064491 | +1 312-306-4491 Illinois U.S.A.
  • 3123064492 | +1 312-306-4492 Illinois U.S.A.
  • 3123064493 | +1 312-306-4493 Illinois U.S.A.
  • 3123064494 | +1 312-306-4494 Illinois U.S.A.
  • 3123064495 | +1 312-306-4495 Illinois U.S.A.
  • 3123064496 | +1 312-306-4496 Illinois U.S.A.
  • 3123064497 | +1 312-306-4497 Illinois U.S.A.
  • 3123064498 | +1 312-306-4498 Illinois U.S.A.
  • 3123064499 | +1 312-306-4499 Illinois U.S.A.