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).

  • 3124305400 | +1 312-430-5400 Illinois U.S.A.
  • 3124305401 | +1 312-430-5401 Illinois U.S.A.
  • 3124305402 | +1 312-430-5402 Illinois U.S.A.
  • 3124305403 | +1 312-430-5403 Illinois U.S.A.
  • 3124305404 | +1 312-430-5404 Illinois U.S.A.
  • 3124305405 | +1 312-430-5405 Illinois U.S.A.
  • 3124305406 | +1 312-430-5406 Illinois U.S.A.
  • 3124305407 | +1 312-430-5407 Illinois U.S.A.
  • 3124305408 | +1 312-430-5408 Illinois U.S.A.
  • 3124305409 | +1 312-430-5409 Illinois U.S.A.
  • 3124305410 | +1 312-430-5410 Illinois U.S.A.
  • 3124305411 | +1 312-430-5411 Illinois U.S.A.
  • 3124305412 | +1 312-430-5412 Illinois U.S.A.
  • 3124305413 | +1 312-430-5413 Illinois U.S.A.
  • 3124305414 | +1 312-430-5414 Illinois U.S.A.
  • 3124305415 | +1 312-430-5415 Illinois U.S.A.
  • 3124305416 | +1 312-430-5416 Illinois U.S.A.
  • 3124305417 | +1 312-430-5417 Illinois U.S.A.
  • 3124305418 | +1 312-430-5418 Illinois U.S.A.
  • 3124305419 | +1 312-430-5419 Illinois U.S.A.
  • 3124305420 | +1 312-430-5420 Illinois U.S.A.
  • 3124305421 | +1 312-430-5421 Illinois U.S.A.
  • 3124305422 | +1 312-430-5422 Illinois U.S.A.
  • 3124305423 | +1 312-430-5423 Illinois U.S.A.
  • 3124305424 | +1 312-430-5424 Illinois U.S.A.
  • 3124305425 | +1 312-430-5425 Illinois U.S.A.
  • 3124305426 | +1 312-430-5426 Illinois U.S.A.
  • 3124305427 | +1 312-430-5427 Illinois U.S.A.
  • 3124305428 | +1 312-430-5428 Illinois U.S.A.
  • 3124305429 | +1 312-430-5429 Illinois U.S.A.
  • 3124305430 | +1 312-430-5430 Illinois U.S.A.
  • 3124305431 | +1 312-430-5431 Illinois U.S.A.
  • 3124305432 | +1 312-430-5432 Illinois U.S.A.
  • 3124305433 | +1 312-430-5433 Illinois U.S.A.
  • 3124305434 | +1 312-430-5434 Illinois U.S.A.
  • 3124305435 | +1 312-430-5435 Illinois U.S.A.
  • 3124305436 | +1 312-430-5436 Illinois U.S.A.
  • 3124305437 | +1 312-430-5437 Illinois U.S.A.
  • 3124305438 | +1 312-430-5438 Illinois U.S.A.
  • 3124305439 | +1 312-430-5439 Illinois U.S.A.
  • 3124305440 | +1 312-430-5440 Illinois U.S.A.
  • 3124305441 | +1 312-430-5441 Illinois U.S.A.
  • 3124305442 | +1 312-430-5442 Illinois U.S.A.
  • 3124305443 | +1 312-430-5443 Illinois U.S.A.
  • 3124305444 | +1 312-430-5444 Illinois U.S.A.
  • 3124305445 | +1 312-430-5445 Illinois U.S.A.
  • 3124305446 | +1 312-430-5446 Illinois U.S.A.
  • 3124305447 | +1 312-430-5447 Illinois U.S.A.
  • 3124305448 | +1 312-430-5448 Illinois U.S.A.
  • 3124305449 | +1 312-430-5449 Illinois U.S.A.
  • 3124305450 | +1 312-430-5450 Illinois U.S.A.
  • 3124305451 | +1 312-430-5451 Illinois U.S.A.
  • 3124305452 | +1 312-430-5452 Illinois U.S.A.
  • 3124305453 | +1 312-430-5453 Illinois U.S.A.
  • 3124305454 | +1 312-430-5454 Illinois U.S.A.
  • 3124305455 | +1 312-430-5455 Illinois U.S.A.
  • 3124305456 | +1 312-430-5456 Illinois U.S.A.
  • 3124305457 | +1 312-430-5457 Illinois U.S.A.
  • 3124305458 | +1 312-430-5458 Illinois U.S.A.
  • 3124305459 | +1 312-430-5459 Illinois U.S.A.
  • 3124305460 | +1 312-430-5460 Illinois U.S.A.
  • 3124305461 | +1 312-430-5461 Illinois U.S.A.
  • 3124305462 | +1 312-430-5462 Illinois U.S.A.
  • 3124305463 | +1 312-430-5463 Illinois U.S.A.
  • 3124305464 | +1 312-430-5464 Illinois U.S.A.
  • 3124305465 | +1 312-430-5465 Illinois U.S.A.
  • 3124305466 | +1 312-430-5466 Illinois U.S.A.
  • 3124305467 | +1 312-430-5467 Illinois U.S.A.
  • 3124305468 | +1 312-430-5468 Illinois U.S.A.
  • 3124305469 | +1 312-430-5469 Illinois U.S.A.
  • 3124305470 | +1 312-430-5470 Illinois U.S.A.
  • 3124305471 | +1 312-430-5471 Illinois U.S.A.
  • 3124305472 | +1 312-430-5472 Illinois U.S.A.
  • 3124305473 | +1 312-430-5473 Illinois U.S.A.
  • 3124305474 | +1 312-430-5474 Illinois U.S.A.
  • 3124305475 | +1 312-430-5475 Illinois U.S.A.
  • 3124305476 | +1 312-430-5476 Illinois U.S.A.
  • 3124305477 | +1 312-430-5477 Illinois U.S.A.
  • 3124305478 | +1 312-430-5478 Illinois U.S.A.
  • 3124305479 | +1 312-430-5479 Illinois U.S.A.
  • 3124305480 | +1 312-430-5480 Illinois U.S.A.
  • 3124305481 | +1 312-430-5481 Illinois U.S.A.
  • 3124305482 | +1 312-430-5482 Illinois U.S.A.
  • 3124305483 | +1 312-430-5483 Illinois U.S.A.
  • 3124305484 | +1 312-430-5484 Illinois U.S.A.
  • 3124305485 | +1 312-430-5485 Illinois U.S.A.
  • 3124305486 | +1 312-430-5486 Illinois U.S.A.
  • 3124305487 | +1 312-430-5487 Illinois U.S.A.
  • 3124305488 | +1 312-430-5488 Illinois U.S.A.
  • 3124305489 | +1 312-430-5489 Illinois U.S.A.
  • 3124305490 | +1 312-430-5490 Illinois U.S.A.
  • 3124305491 | +1 312-430-5491 Illinois U.S.A.
  • 3124305492 | +1 312-430-5492 Illinois U.S.A.
  • 3124305493 | +1 312-430-5493 Illinois U.S.A.
  • 3124305494 | +1 312-430-5494 Illinois U.S.A.
  • 3124305495 | +1 312-430-5495 Illinois U.S.A.
  • 3124305496 | +1 312-430-5496 Illinois U.S.A.
  • 3124305497 | +1 312-430-5497 Illinois U.S.A.
  • 3124305498 | +1 312-430-5498 Illinois U.S.A.
  • 3124305499 | +1 312-430-5499 Illinois U.S.A.