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).

  • 3129923500 | +1 312-992-3500 Illinois U.S.A.
  • 3129923501 | +1 312-992-3501 Illinois U.S.A.
  • 3129923502 | +1 312-992-3502 Illinois U.S.A.
  • 3129923503 | +1 312-992-3503 Illinois U.S.A.
  • 3129923504 | +1 312-992-3504 Illinois U.S.A.
  • 3129923505 | +1 312-992-3505 Illinois U.S.A.
  • 3129923506 | +1 312-992-3506 Illinois U.S.A.
  • 3129923507 | +1 312-992-3507 Illinois U.S.A.
  • 3129923508 | +1 312-992-3508 Illinois U.S.A.
  • 3129923509 | +1 312-992-3509 Illinois U.S.A.
  • 3129923510 | +1 312-992-3510 Illinois U.S.A.
  • 3129923511 | +1 312-992-3511 Illinois U.S.A.
  • 3129923512 | +1 312-992-3512 Illinois U.S.A.
  • 3129923513 | +1 312-992-3513 Illinois U.S.A.
  • 3129923514 | +1 312-992-3514 Illinois U.S.A.
  • 3129923515 | +1 312-992-3515 Illinois U.S.A.
  • 3129923516 | +1 312-992-3516 Illinois U.S.A.
  • 3129923517 | +1 312-992-3517 Illinois U.S.A.
  • 3129923518 | +1 312-992-3518 Illinois U.S.A.
  • 3129923519 | +1 312-992-3519 Illinois U.S.A.
  • 3129923520 | +1 312-992-3520 Illinois U.S.A.
  • 3129923521 | +1 312-992-3521 Illinois U.S.A.
  • 3129923522 | +1 312-992-3522 Illinois U.S.A.
  • 3129923523 | +1 312-992-3523 Illinois U.S.A.
  • 3129923524 | +1 312-992-3524 Illinois U.S.A.
  • 3129923525 | +1 312-992-3525 Illinois U.S.A.
  • 3129923526 | +1 312-992-3526 Illinois U.S.A.
  • 3129923527 | +1 312-992-3527 Illinois U.S.A.
  • 3129923528 | +1 312-992-3528 Illinois U.S.A.
  • 3129923529 | +1 312-992-3529 Illinois U.S.A.
  • 3129923530 | +1 312-992-3530 Illinois U.S.A.
  • 3129923531 | +1 312-992-3531 Illinois U.S.A.
  • 3129923532 | +1 312-992-3532 Illinois U.S.A.
  • 3129923533 | +1 312-992-3533 Illinois U.S.A.
  • 3129923534 | +1 312-992-3534 Illinois U.S.A.
  • 3129923535 | +1 312-992-3535 Illinois U.S.A.
  • 3129923536 | +1 312-992-3536 Illinois U.S.A.
  • 3129923537 | +1 312-992-3537 Illinois U.S.A.
  • 3129923538 | +1 312-992-3538 Illinois U.S.A.
  • 3129923539 | +1 312-992-3539 Illinois U.S.A.
  • 3129923540 | +1 312-992-3540 Illinois U.S.A.
  • 3129923541 | +1 312-992-3541 Illinois U.S.A.
  • 3129923542 | +1 312-992-3542 Illinois U.S.A.
  • 3129923543 | +1 312-992-3543 Illinois U.S.A.
  • 3129923544 | +1 312-992-3544 Illinois U.S.A.
  • 3129923545 | +1 312-992-3545 Illinois U.S.A.
  • 3129923546 | +1 312-992-3546 Illinois U.S.A.
  • 3129923547 | +1 312-992-3547 Illinois U.S.A.
  • 3129923548 | +1 312-992-3548 Illinois U.S.A.
  • 3129923549 | +1 312-992-3549 Illinois U.S.A.
  • 3129923550 | +1 312-992-3550 Illinois U.S.A.
  • 3129923551 | +1 312-992-3551 Illinois U.S.A.
  • 3129923552 | +1 312-992-3552 Illinois U.S.A.
  • 3129923553 | +1 312-992-3553 Illinois U.S.A.
  • 3129923554 | +1 312-992-3554 Illinois U.S.A.
  • 3129923555 | +1 312-992-3555 Illinois U.S.A.
  • 3129923556 | +1 312-992-3556 Illinois U.S.A.
  • 3129923557 | +1 312-992-3557 Illinois U.S.A.
  • 3129923558 | +1 312-992-3558 Illinois U.S.A.
  • 3129923559 | +1 312-992-3559 Illinois U.S.A.
  • 3129923560 | +1 312-992-3560 Illinois U.S.A.
  • 3129923561 | +1 312-992-3561 Illinois U.S.A.
  • 3129923562 | +1 312-992-3562 Illinois U.S.A.
  • 3129923563 | +1 312-992-3563 Illinois U.S.A.
  • 3129923564 | +1 312-992-3564 Illinois U.S.A.
  • 3129923565 | +1 312-992-3565 Illinois U.S.A.
  • 3129923566 | +1 312-992-3566 Illinois U.S.A.
  • 3129923567 | +1 312-992-3567 Illinois U.S.A.
  • 3129923568 | +1 312-992-3568 Illinois U.S.A.
  • 3129923569 | +1 312-992-3569 Illinois U.S.A.
  • 3129923570 | +1 312-992-3570 Illinois U.S.A.
  • 3129923571 | +1 312-992-3571 Illinois U.S.A.
  • 3129923572 | +1 312-992-3572 Illinois U.S.A.
  • 3129923573 | +1 312-992-3573 Illinois U.S.A.
  • 3129923574 | +1 312-992-3574 Illinois U.S.A.
  • 3129923575 | +1 312-992-3575 Illinois U.S.A.
  • 3129923576 | +1 312-992-3576 Illinois U.S.A.
  • 3129923577 | +1 312-992-3577 Illinois U.S.A.
  • 3129923578 | +1 312-992-3578 Illinois U.S.A.
  • 3129923579 | +1 312-992-3579 Illinois U.S.A.
  • 3129923580 | +1 312-992-3580 Illinois U.S.A.
  • 3129923581 | +1 312-992-3581 Illinois U.S.A.
  • 3129923582 | +1 312-992-3582 Illinois U.S.A.
  • 3129923583 | +1 312-992-3583 Illinois U.S.A.
  • 3129923584 | +1 312-992-3584 Illinois U.S.A.
  • 3129923585 | +1 312-992-3585 Illinois U.S.A.
  • 3129923586 | +1 312-992-3586 Illinois U.S.A.
  • 3129923587 | +1 312-992-3587 Illinois U.S.A.
  • 3129923588 | +1 312-992-3588 Illinois U.S.A.
  • 3129923589 | +1 312-992-3589 Illinois U.S.A.
  • 3129923590 | +1 312-992-3590 Illinois U.S.A.
  • 3129923591 | +1 312-992-3591 Illinois U.S.A.
  • 3129923592 | +1 312-992-3592 Illinois U.S.A.
  • 3129923593 | +1 312-992-3593 Illinois U.S.A.
  • 3129923594 | +1 312-992-3594 Illinois U.S.A.
  • 3129923595 | +1 312-992-3595 Illinois U.S.A.
  • 3129923596 | +1 312-992-3596 Illinois U.S.A.
  • 3129923597 | +1 312-992-3597 Illinois U.S.A.
  • 3129923598 | +1 312-992-3598 Illinois U.S.A.
  • 3129923599 | +1 312-992-3599 Illinois U.S.A.