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).

  • 3129214400 | +1 312-921-4400 Illinois U.S.A.
  • 3129214401 | +1 312-921-4401 Illinois U.S.A.
  • 3129214402 | +1 312-921-4402 Illinois U.S.A.
  • 3129214403 | +1 312-921-4403 Illinois U.S.A.
  • 3129214404 | +1 312-921-4404 Illinois U.S.A.
  • 3129214405 | +1 312-921-4405 Illinois U.S.A.
  • 3129214406 | +1 312-921-4406 Illinois U.S.A.
  • 3129214407 | +1 312-921-4407 Illinois U.S.A.
  • 3129214408 | +1 312-921-4408 Illinois U.S.A.
  • 3129214409 | +1 312-921-4409 Illinois U.S.A.
  • 3129214410 | +1 312-921-4410 Illinois U.S.A.
  • 3129214411 | +1 312-921-4411 Illinois U.S.A.
  • 3129214412 | +1 312-921-4412 Illinois U.S.A.
  • 3129214413 | +1 312-921-4413 Illinois U.S.A.
  • 3129214414 | +1 312-921-4414 Illinois U.S.A.
  • 3129214415 | +1 312-921-4415 Illinois U.S.A.
  • 3129214416 | +1 312-921-4416 Illinois U.S.A.
  • 3129214417 | +1 312-921-4417 Illinois U.S.A.
  • 3129214418 | +1 312-921-4418 Illinois U.S.A.
  • 3129214419 | +1 312-921-4419 Illinois U.S.A.
  • 3129214420 | +1 312-921-4420 Illinois U.S.A.
  • 3129214421 | +1 312-921-4421 Illinois U.S.A.
  • 3129214422 | +1 312-921-4422 Illinois U.S.A.
  • 3129214423 | +1 312-921-4423 Illinois U.S.A.
  • 3129214424 | +1 312-921-4424 Illinois U.S.A.
  • 3129214425 | +1 312-921-4425 Illinois U.S.A.
  • 3129214426 | +1 312-921-4426 Illinois U.S.A.
  • 3129214427 | +1 312-921-4427 Illinois U.S.A.
  • 3129214428 | +1 312-921-4428 Illinois U.S.A.
  • 3129214429 | +1 312-921-4429 Illinois U.S.A.
  • 3129214430 | +1 312-921-4430 Illinois U.S.A.
  • 3129214431 | +1 312-921-4431 Illinois U.S.A.
  • 3129214432 | +1 312-921-4432 Illinois U.S.A.
  • 3129214433 | +1 312-921-4433 Illinois U.S.A.
  • 3129214434 | +1 312-921-4434 Illinois U.S.A.
  • 3129214435 | +1 312-921-4435 Illinois U.S.A.
  • 3129214436 | +1 312-921-4436 Illinois U.S.A.
  • 3129214437 | +1 312-921-4437 Illinois U.S.A.
  • 3129214438 | +1 312-921-4438 Illinois U.S.A.
  • 3129214439 | +1 312-921-4439 Illinois U.S.A.
  • 3129214440 | +1 312-921-4440 Illinois U.S.A.
  • 3129214441 | +1 312-921-4441 Illinois U.S.A.
  • 3129214442 | +1 312-921-4442 Illinois U.S.A.
  • 3129214443 | +1 312-921-4443 Illinois U.S.A.
  • 3129214444 | +1 312-921-4444 Illinois U.S.A.
  • 3129214445 | +1 312-921-4445 Illinois U.S.A.
  • 3129214446 | +1 312-921-4446 Illinois U.S.A.
  • 3129214447 | +1 312-921-4447 Illinois U.S.A.
  • 3129214448 | +1 312-921-4448 Illinois U.S.A.
  • 3129214449 | +1 312-921-4449 Illinois U.S.A.
  • 3129214450 | +1 312-921-4450 Illinois U.S.A.
  • 3129214451 | +1 312-921-4451 Illinois U.S.A.
  • 3129214452 | +1 312-921-4452 Illinois U.S.A.
  • 3129214453 | +1 312-921-4453 Illinois U.S.A.
  • 3129214454 | +1 312-921-4454 Illinois U.S.A.
  • 3129214455 | +1 312-921-4455 Illinois U.S.A.
  • 3129214456 | +1 312-921-4456 Illinois U.S.A.
  • 3129214457 | +1 312-921-4457 Illinois U.S.A.
  • 3129214458 | +1 312-921-4458 Illinois U.S.A.
  • 3129214459 | +1 312-921-4459 Illinois U.S.A.
  • 3129214460 | +1 312-921-4460 Illinois U.S.A.
  • 3129214461 | +1 312-921-4461 Illinois U.S.A.
  • 3129214462 | +1 312-921-4462 Illinois U.S.A.
  • 3129214463 | +1 312-921-4463 Illinois U.S.A.
  • 3129214464 | +1 312-921-4464 Illinois U.S.A.
  • 3129214465 | +1 312-921-4465 Illinois U.S.A.
  • 3129214466 | +1 312-921-4466 Illinois U.S.A.
  • 3129214467 | +1 312-921-4467 Illinois U.S.A.
  • 3129214468 | +1 312-921-4468 Illinois U.S.A.
  • 3129214469 | +1 312-921-4469 Illinois U.S.A.
  • 3129214470 | +1 312-921-4470 Illinois U.S.A.
  • 3129214471 | +1 312-921-4471 Illinois U.S.A.
  • 3129214472 | +1 312-921-4472 Illinois U.S.A.
  • 3129214473 | +1 312-921-4473 Illinois U.S.A.
  • 3129214474 | +1 312-921-4474 Illinois U.S.A.
  • 3129214475 | +1 312-921-4475 Illinois U.S.A.
  • 3129214476 | +1 312-921-4476 Illinois U.S.A.
  • 3129214477 | +1 312-921-4477 Illinois U.S.A.
  • 3129214478 | +1 312-921-4478 Illinois U.S.A.
  • 3129214479 | +1 312-921-4479 Illinois U.S.A.
  • 3129214480 | +1 312-921-4480 Illinois U.S.A.
  • 3129214481 | +1 312-921-4481 Illinois U.S.A.
  • 3129214482 | +1 312-921-4482 Illinois U.S.A.
  • 3129214483 | +1 312-921-4483 Illinois U.S.A.
  • 3129214484 | +1 312-921-4484 Illinois U.S.A.
  • 3129214485 | +1 312-921-4485 Illinois U.S.A.
  • 3129214486 | +1 312-921-4486 Illinois U.S.A.
  • 3129214487 | +1 312-921-4487 Illinois U.S.A.
  • 3129214488 | +1 312-921-4488 Illinois U.S.A.
  • 3129214489 | +1 312-921-4489 Illinois U.S.A.
  • 3129214490 | +1 312-921-4490 Illinois U.S.A.
  • 3129214491 | +1 312-921-4491 Illinois U.S.A.
  • 3129214492 | +1 312-921-4492 Illinois U.S.A.
  • 3129214493 | +1 312-921-4493 Illinois U.S.A.
  • 3129214494 | +1 312-921-4494 Illinois U.S.A.
  • 3129214495 | +1 312-921-4495 Illinois U.S.A.
  • 3129214496 | +1 312-921-4496 Illinois U.S.A.
  • 3129214497 | +1 312-921-4497 Illinois U.S.A.
  • 3129214498 | +1 312-921-4498 Illinois U.S.A.
  • 3129214499 | +1 312-921-4499 Illinois U.S.A.