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).

  • 3128504400 | +1 312-850-4400 Illinois U.S.A.
  • 3128504401 | +1 312-850-4401 Illinois U.S.A.
  • 3128504402 | +1 312-850-4402 Illinois U.S.A.
  • 3128504403 | +1 312-850-4403 Illinois U.S.A.
  • 3128504404 | +1 312-850-4404 Illinois U.S.A.
  • 3128504405 | +1 312-850-4405 Illinois U.S.A.
  • 3128504406 | +1 312-850-4406 Illinois U.S.A.
  • 3128504407 | +1 312-850-4407 Illinois U.S.A.
  • 3128504408 | +1 312-850-4408 Illinois U.S.A.
  • 3128504409 | +1 312-850-4409 Illinois U.S.A.
  • 3128504410 | +1 312-850-4410 Illinois U.S.A.
  • 3128504411 | +1 312-850-4411 Illinois U.S.A.
  • 3128504412 | +1 312-850-4412 Illinois U.S.A.
  • 3128504413 | +1 312-850-4413 Illinois U.S.A.
  • 3128504414 | +1 312-850-4414 Illinois U.S.A.
  • 3128504415 | +1 312-850-4415 Illinois U.S.A.
  • 3128504416 | +1 312-850-4416 Illinois U.S.A.
  • 3128504417 | +1 312-850-4417 Illinois U.S.A.
  • 3128504418 | +1 312-850-4418 Illinois U.S.A.
  • 3128504419 | +1 312-850-4419 Illinois U.S.A.
  • 3128504420 | +1 312-850-4420 Illinois U.S.A.
  • 3128504421 | +1 312-850-4421 Illinois U.S.A.
  • 3128504422 | +1 312-850-4422 Illinois U.S.A.
  • 3128504423 | +1 312-850-4423 Illinois U.S.A.
  • 3128504424 | +1 312-850-4424 Illinois U.S.A.
  • 3128504425 | +1 312-850-4425 Illinois U.S.A.
  • 3128504426 | +1 312-850-4426 Illinois U.S.A.
  • 3128504427 | +1 312-850-4427 Illinois U.S.A.
  • 3128504428 | +1 312-850-4428 Illinois U.S.A.
  • 3128504429 | +1 312-850-4429 Illinois U.S.A.
  • 3128504430 | +1 312-850-4430 Illinois U.S.A.
  • 3128504431 | +1 312-850-4431 Illinois U.S.A.
  • 3128504432 | +1 312-850-4432 Illinois U.S.A.
  • 3128504433 | +1 312-850-4433 Illinois U.S.A.
  • 3128504434 | +1 312-850-4434 Illinois U.S.A.
  • 3128504435 | +1 312-850-4435 Illinois U.S.A.
  • 3128504436 | +1 312-850-4436 Illinois U.S.A.
  • 3128504437 | +1 312-850-4437 Illinois U.S.A.
  • 3128504438 | +1 312-850-4438 Illinois U.S.A.
  • 3128504439 | +1 312-850-4439 Illinois U.S.A.
  • 3128504440 | +1 312-850-4440 Illinois U.S.A.
  • 3128504441 | +1 312-850-4441 Illinois U.S.A.
  • 3128504442 | +1 312-850-4442 Illinois U.S.A.
  • 3128504443 | +1 312-850-4443 Illinois U.S.A.
  • 3128504444 | +1 312-850-4444 Illinois U.S.A.
  • 3128504445 | +1 312-850-4445 Illinois U.S.A.
  • 3128504446 | +1 312-850-4446 Illinois U.S.A.
  • 3128504447 | +1 312-850-4447 Illinois U.S.A.
  • 3128504448 | +1 312-850-4448 Illinois U.S.A.
  • 3128504449 | +1 312-850-4449 Illinois U.S.A.
  • 3128504450 | +1 312-850-4450 Illinois U.S.A.
  • 3128504451 | +1 312-850-4451 Illinois U.S.A.
  • 3128504452 | +1 312-850-4452 Illinois U.S.A.
  • 3128504453 | +1 312-850-4453 Illinois U.S.A.
  • 3128504454 | +1 312-850-4454 Illinois U.S.A.
  • 3128504455 | +1 312-850-4455 Illinois U.S.A.
  • 3128504456 | +1 312-850-4456 Illinois U.S.A.
  • 3128504457 | +1 312-850-4457 Illinois U.S.A.
  • 3128504458 | +1 312-850-4458 Illinois U.S.A.
  • 3128504459 | +1 312-850-4459 Illinois U.S.A.
  • 3128504460 | +1 312-850-4460 Illinois U.S.A.
  • 3128504461 | +1 312-850-4461 Illinois U.S.A.
  • 3128504462 | +1 312-850-4462 Illinois U.S.A.
  • 3128504463 | +1 312-850-4463 Illinois U.S.A.
  • 3128504464 | +1 312-850-4464 Illinois U.S.A.
  • 3128504465 | +1 312-850-4465 Illinois U.S.A.
  • 3128504466 | +1 312-850-4466 Illinois U.S.A.
  • 3128504467 | +1 312-850-4467 Illinois U.S.A.
  • 3128504468 | +1 312-850-4468 Illinois U.S.A.
  • 3128504469 | +1 312-850-4469 Illinois U.S.A.
  • 3128504470 | +1 312-850-4470 Illinois U.S.A.
  • 3128504471 | +1 312-850-4471 Illinois U.S.A.
  • 3128504472 | +1 312-850-4472 Illinois U.S.A.
  • 3128504473 | +1 312-850-4473 Illinois U.S.A.
  • 3128504474 | +1 312-850-4474 Illinois U.S.A.
  • 3128504475 | +1 312-850-4475 Illinois U.S.A.
  • 3128504476 | +1 312-850-4476 Illinois U.S.A.
  • 3128504477 | +1 312-850-4477 Illinois U.S.A.
  • 3128504478 | +1 312-850-4478 Illinois U.S.A.
  • 3128504479 | +1 312-850-4479 Illinois U.S.A.
  • 3128504480 | +1 312-850-4480 Illinois U.S.A.
  • 3128504481 | +1 312-850-4481 Illinois U.S.A.
  • 3128504482 | +1 312-850-4482 Illinois U.S.A.
  • 3128504483 | +1 312-850-4483 Illinois U.S.A.
  • 3128504484 | +1 312-850-4484 Illinois U.S.A.
  • 3128504485 | +1 312-850-4485 Illinois U.S.A.
  • 3128504486 | +1 312-850-4486 Illinois U.S.A.
  • 3128504487 | +1 312-850-4487 Illinois U.S.A.
  • 3128504488 | +1 312-850-4488 Illinois U.S.A.
  • 3128504489 | +1 312-850-4489 Illinois U.S.A.
  • 3128504490 | +1 312-850-4490 Illinois U.S.A.
  • 3128504491 | +1 312-850-4491 Illinois U.S.A.
  • 3128504492 | +1 312-850-4492 Illinois U.S.A.
  • 3128504493 | +1 312-850-4493 Illinois U.S.A.
  • 3128504494 | +1 312-850-4494 Illinois U.S.A.
  • 3128504495 | +1 312-850-4495 Illinois U.S.A.
  • 3128504496 | +1 312-850-4496 Illinois U.S.A.
  • 3128504497 | +1 312-850-4497 Illinois U.S.A.
  • 3128504498 | +1 312-850-4498 Illinois U.S.A.
  • 3128504499 | +1 312-850-4499 Illinois U.S.A.