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).

  • 3129215500 | +1 312-921-5500 Illinois U.S.A.
  • 3129215501 | +1 312-921-5501 Illinois U.S.A.
  • 3129215502 | +1 312-921-5502 Illinois U.S.A.
  • 3129215503 | +1 312-921-5503 Illinois U.S.A.
  • 3129215504 | +1 312-921-5504 Illinois U.S.A.
  • 3129215505 | +1 312-921-5505 Illinois U.S.A.
  • 3129215506 | +1 312-921-5506 Illinois U.S.A.
  • 3129215507 | +1 312-921-5507 Illinois U.S.A.
  • 3129215508 | +1 312-921-5508 Illinois U.S.A.
  • 3129215509 | +1 312-921-5509 Illinois U.S.A.
  • 3129215510 | +1 312-921-5510 Illinois U.S.A.
  • 3129215511 | +1 312-921-5511 Illinois U.S.A.
  • 3129215512 | +1 312-921-5512 Illinois U.S.A.
  • 3129215513 | +1 312-921-5513 Illinois U.S.A.
  • 3129215514 | +1 312-921-5514 Illinois U.S.A.
  • 3129215515 | +1 312-921-5515 Illinois U.S.A.
  • 3129215516 | +1 312-921-5516 Illinois U.S.A.
  • 3129215517 | +1 312-921-5517 Illinois U.S.A.
  • 3129215518 | +1 312-921-5518 Illinois U.S.A.
  • 3129215519 | +1 312-921-5519 Illinois U.S.A.
  • 3129215520 | +1 312-921-5520 Illinois U.S.A.
  • 3129215521 | +1 312-921-5521 Illinois U.S.A.
  • 3129215522 | +1 312-921-5522 Illinois U.S.A.
  • 3129215523 | +1 312-921-5523 Illinois U.S.A.
  • 3129215524 | +1 312-921-5524 Illinois U.S.A.
  • 3129215525 | +1 312-921-5525 Illinois U.S.A.
  • 3129215526 | +1 312-921-5526 Illinois U.S.A.
  • 3129215527 | +1 312-921-5527 Illinois U.S.A.
  • 3129215528 | +1 312-921-5528 Illinois U.S.A.
  • 3129215529 | +1 312-921-5529 Illinois U.S.A.
  • 3129215530 | +1 312-921-5530 Illinois U.S.A.
  • 3129215531 | +1 312-921-5531 Illinois U.S.A.
  • 3129215532 | +1 312-921-5532 Illinois U.S.A.
  • 3129215533 | +1 312-921-5533 Illinois U.S.A.
  • 3129215534 | +1 312-921-5534 Illinois U.S.A.
  • 3129215535 | +1 312-921-5535 Illinois U.S.A.
  • 3129215536 | +1 312-921-5536 Illinois U.S.A.
  • 3129215537 | +1 312-921-5537 Illinois U.S.A.
  • 3129215538 | +1 312-921-5538 Illinois U.S.A.
  • 3129215539 | +1 312-921-5539 Illinois U.S.A.
  • 3129215540 | +1 312-921-5540 Illinois U.S.A.
  • 3129215541 | +1 312-921-5541 Illinois U.S.A.
  • 3129215542 | +1 312-921-5542 Illinois U.S.A.
  • 3129215543 | +1 312-921-5543 Illinois U.S.A.
  • 3129215544 | +1 312-921-5544 Illinois U.S.A.
  • 3129215545 | +1 312-921-5545 Illinois U.S.A.
  • 3129215546 | +1 312-921-5546 Illinois U.S.A.
  • 3129215547 | +1 312-921-5547 Illinois U.S.A.
  • 3129215548 | +1 312-921-5548 Illinois U.S.A.
  • 3129215549 | +1 312-921-5549 Illinois U.S.A.
  • 3129215550 | +1 312-921-5550 Illinois U.S.A.
  • 3129215551 | +1 312-921-5551 Illinois U.S.A.
  • 3129215552 | +1 312-921-5552 Illinois U.S.A.
  • 3129215553 | +1 312-921-5553 Illinois U.S.A.
  • 3129215554 | +1 312-921-5554 Illinois U.S.A.
  • 3129215555 | +1 312-921-5555 Illinois U.S.A.
  • 3129215556 | +1 312-921-5556 Illinois U.S.A.
  • 3129215557 | +1 312-921-5557 Illinois U.S.A.
  • 3129215558 | +1 312-921-5558 Illinois U.S.A.
  • 3129215559 | +1 312-921-5559 Illinois U.S.A.
  • 3129215560 | +1 312-921-5560 Illinois U.S.A.
  • 3129215561 | +1 312-921-5561 Illinois U.S.A.
  • 3129215562 | +1 312-921-5562 Illinois U.S.A.
  • 3129215563 | +1 312-921-5563 Illinois U.S.A.
  • 3129215564 | +1 312-921-5564 Illinois U.S.A.
  • 3129215565 | +1 312-921-5565 Illinois U.S.A.
  • 3129215566 | +1 312-921-5566 Illinois U.S.A.
  • 3129215567 | +1 312-921-5567 Illinois U.S.A.
  • 3129215568 | +1 312-921-5568 Illinois U.S.A.
  • 3129215569 | +1 312-921-5569 Illinois U.S.A.
  • 3129215570 | +1 312-921-5570 Illinois U.S.A.
  • 3129215571 | +1 312-921-5571 Illinois U.S.A.
  • 3129215572 | +1 312-921-5572 Illinois U.S.A.
  • 3129215573 | +1 312-921-5573 Illinois U.S.A.
  • 3129215574 | +1 312-921-5574 Illinois U.S.A.
  • 3129215575 | +1 312-921-5575 Illinois U.S.A.
  • 3129215576 | +1 312-921-5576 Illinois U.S.A.
  • 3129215577 | +1 312-921-5577 Illinois U.S.A.
  • 3129215578 | +1 312-921-5578 Illinois U.S.A.
  • 3129215579 | +1 312-921-5579 Illinois U.S.A.
  • 3129215580 | +1 312-921-5580 Illinois U.S.A.
  • 3129215581 | +1 312-921-5581 Illinois U.S.A.
  • 3129215582 | +1 312-921-5582 Illinois U.S.A.
  • 3129215583 | +1 312-921-5583 Illinois U.S.A.
  • 3129215584 | +1 312-921-5584 Illinois U.S.A.
  • 3129215585 | +1 312-921-5585 Illinois U.S.A.
  • 3129215586 | +1 312-921-5586 Illinois U.S.A.
  • 3129215587 | +1 312-921-5587 Illinois U.S.A.
  • 3129215588 | +1 312-921-5588 Illinois U.S.A.
  • 3129215589 | +1 312-921-5589 Illinois U.S.A.
  • 3129215590 | +1 312-921-5590 Illinois U.S.A.
  • 3129215591 | +1 312-921-5591 Illinois U.S.A.
  • 3129215592 | +1 312-921-5592 Illinois U.S.A.
  • 3129215593 | +1 312-921-5593 Illinois U.S.A.
  • 3129215594 | +1 312-921-5594 Illinois U.S.A.
  • 3129215595 | +1 312-921-5595 Illinois U.S.A.
  • 3129215596 | +1 312-921-5596 Illinois U.S.A.
  • 3129215597 | +1 312-921-5597 Illinois U.S.A.
  • 3129215598 | +1 312-921-5598 Illinois U.S.A.
  • 3129215599 | +1 312-921-5599 Illinois U.S.A.