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).

  • 3129925400 | +1 312-992-5400 Illinois U.S.A.
  • 3129925401 | +1 312-992-5401 Illinois U.S.A.
  • 3129925402 | +1 312-992-5402 Illinois U.S.A.
  • 3129925403 | +1 312-992-5403 Illinois U.S.A.
  • 3129925404 | +1 312-992-5404 Illinois U.S.A.
  • 3129925405 | +1 312-992-5405 Illinois U.S.A.
  • 3129925406 | +1 312-992-5406 Illinois U.S.A.
  • 3129925407 | +1 312-992-5407 Illinois U.S.A.
  • 3129925408 | +1 312-992-5408 Illinois U.S.A.
  • 3129925409 | +1 312-992-5409 Illinois U.S.A.
  • 3129925410 | +1 312-992-5410 Illinois U.S.A.
  • 3129925411 | +1 312-992-5411 Illinois U.S.A.
  • 3129925412 | +1 312-992-5412 Illinois U.S.A.
  • 3129925413 | +1 312-992-5413 Illinois U.S.A.
  • 3129925414 | +1 312-992-5414 Illinois U.S.A.
  • 3129925415 | +1 312-992-5415 Illinois U.S.A.
  • 3129925416 | +1 312-992-5416 Illinois U.S.A.
  • 3129925417 | +1 312-992-5417 Illinois U.S.A.
  • 3129925418 | +1 312-992-5418 Illinois U.S.A.
  • 3129925419 | +1 312-992-5419 Illinois U.S.A.
  • 3129925420 | +1 312-992-5420 Illinois U.S.A.
  • 3129925421 | +1 312-992-5421 Illinois U.S.A.
  • 3129925422 | +1 312-992-5422 Illinois U.S.A.
  • 3129925423 | +1 312-992-5423 Illinois U.S.A.
  • 3129925424 | +1 312-992-5424 Illinois U.S.A.
  • 3129925425 | +1 312-992-5425 Illinois U.S.A.
  • 3129925426 | +1 312-992-5426 Illinois U.S.A.
  • 3129925427 | +1 312-992-5427 Illinois U.S.A.
  • 3129925428 | +1 312-992-5428 Illinois U.S.A.
  • 3129925429 | +1 312-992-5429 Illinois U.S.A.
  • 3129925430 | +1 312-992-5430 Illinois U.S.A.
  • 3129925431 | +1 312-992-5431 Illinois U.S.A.
  • 3129925432 | +1 312-992-5432 Illinois U.S.A.
  • 3129925433 | +1 312-992-5433 Illinois U.S.A.
  • 3129925434 | +1 312-992-5434 Illinois U.S.A.
  • 3129925435 | +1 312-992-5435 Illinois U.S.A.
  • 3129925436 | +1 312-992-5436 Illinois U.S.A.
  • 3129925437 | +1 312-992-5437 Illinois U.S.A.
  • 3129925438 | +1 312-992-5438 Illinois U.S.A.
  • 3129925439 | +1 312-992-5439 Illinois U.S.A.
  • 3129925440 | +1 312-992-5440 Illinois U.S.A.
  • 3129925441 | +1 312-992-5441 Illinois U.S.A.
  • 3129925442 | +1 312-992-5442 Illinois U.S.A.
  • 3129925443 | +1 312-992-5443 Illinois U.S.A.
  • 3129925444 | +1 312-992-5444 Illinois U.S.A.
  • 3129925445 | +1 312-992-5445 Illinois U.S.A.
  • 3129925446 | +1 312-992-5446 Illinois U.S.A.
  • 3129925447 | +1 312-992-5447 Illinois U.S.A.
  • 3129925448 | +1 312-992-5448 Illinois U.S.A.
  • 3129925449 | +1 312-992-5449 Illinois U.S.A.
  • 3129925450 | +1 312-992-5450 Illinois U.S.A.
  • 3129925451 | +1 312-992-5451 Illinois U.S.A.
  • 3129925452 | +1 312-992-5452 Illinois U.S.A.
  • 3129925453 | +1 312-992-5453 Illinois U.S.A.
  • 3129925454 | +1 312-992-5454 Illinois U.S.A.
  • 3129925455 | +1 312-992-5455 Illinois U.S.A.
  • 3129925456 | +1 312-992-5456 Illinois U.S.A.
  • 3129925457 | +1 312-992-5457 Illinois U.S.A.
  • 3129925458 | +1 312-992-5458 Illinois U.S.A.
  • 3129925459 | +1 312-992-5459 Illinois U.S.A.
  • 3129925460 | +1 312-992-5460 Illinois U.S.A.
  • 3129925461 | +1 312-992-5461 Illinois U.S.A.
  • 3129925462 | +1 312-992-5462 Illinois U.S.A.
  • 3129925463 | +1 312-992-5463 Illinois U.S.A.
  • 3129925464 | +1 312-992-5464 Illinois U.S.A.
  • 3129925465 | +1 312-992-5465 Illinois U.S.A.
  • 3129925466 | +1 312-992-5466 Illinois U.S.A.
  • 3129925467 | +1 312-992-5467 Illinois U.S.A.
  • 3129925468 | +1 312-992-5468 Illinois U.S.A.
  • 3129925469 | +1 312-992-5469 Illinois U.S.A.
  • 3129925470 | +1 312-992-5470 Illinois U.S.A.
  • 3129925471 | +1 312-992-5471 Illinois U.S.A.
  • 3129925472 | +1 312-992-5472 Illinois U.S.A.
  • 3129925473 | +1 312-992-5473 Illinois U.S.A.
  • 3129925474 | +1 312-992-5474 Illinois U.S.A.
  • 3129925475 | +1 312-992-5475 Illinois U.S.A.
  • 3129925476 | +1 312-992-5476 Illinois U.S.A.
  • 3129925477 | +1 312-992-5477 Illinois U.S.A.
  • 3129925478 | +1 312-992-5478 Illinois U.S.A.
  • 3129925479 | +1 312-992-5479 Illinois U.S.A.
  • 3129925480 | +1 312-992-5480 Illinois U.S.A.
  • 3129925481 | +1 312-992-5481 Illinois U.S.A.
  • 3129925482 | +1 312-992-5482 Illinois U.S.A.
  • 3129925483 | +1 312-992-5483 Illinois U.S.A.
  • 3129925484 | +1 312-992-5484 Illinois U.S.A.
  • 3129925485 | +1 312-992-5485 Illinois U.S.A.
  • 3129925486 | +1 312-992-5486 Illinois U.S.A.
  • 3129925487 | +1 312-992-5487 Illinois U.S.A.
  • 3129925488 | +1 312-992-5488 Illinois U.S.A.
  • 3129925489 | +1 312-992-5489 Illinois U.S.A.
  • 3129925490 | +1 312-992-5490 Illinois U.S.A.
  • 3129925491 | +1 312-992-5491 Illinois U.S.A.
  • 3129925492 | +1 312-992-5492 Illinois U.S.A.
  • 3129925493 | +1 312-992-5493 Illinois U.S.A.
  • 3129925494 | +1 312-992-5494 Illinois U.S.A.
  • 3129925495 | +1 312-992-5495 Illinois U.S.A.
  • 3129925496 | +1 312-992-5496 Illinois U.S.A.
  • 3129925497 | +1 312-992-5497 Illinois U.S.A.
  • 3129925498 | +1 312-992-5498 Illinois U.S.A.
  • 3129925499 | +1 312-992-5499 Illinois U.S.A.