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).

  • 3128503500 | +1 312-850-3500 Illinois U.S.A.
  • 3128503501 | +1 312-850-3501 Illinois U.S.A.
  • 3128503502 | +1 312-850-3502 Illinois U.S.A.
  • 3128503503 | +1 312-850-3503 Illinois U.S.A.
  • 3128503504 | +1 312-850-3504 Illinois U.S.A.
  • 3128503505 | +1 312-850-3505 Illinois U.S.A.
  • 3128503506 | +1 312-850-3506 Illinois U.S.A.
  • 3128503507 | +1 312-850-3507 Illinois U.S.A.
  • 3128503508 | +1 312-850-3508 Illinois U.S.A.
  • 3128503509 | +1 312-850-3509 Illinois U.S.A.
  • 3128503510 | +1 312-850-3510 Illinois U.S.A.
  • 3128503511 | +1 312-850-3511 Illinois U.S.A.
  • 3128503512 | +1 312-850-3512 Illinois U.S.A.
  • 3128503513 | +1 312-850-3513 Illinois U.S.A.
  • 3128503514 | +1 312-850-3514 Illinois U.S.A.
  • 3128503515 | +1 312-850-3515 Illinois U.S.A.
  • 3128503516 | +1 312-850-3516 Illinois U.S.A.
  • 3128503517 | +1 312-850-3517 Illinois U.S.A.
  • 3128503518 | +1 312-850-3518 Illinois U.S.A.
  • 3128503519 | +1 312-850-3519 Illinois U.S.A.
  • 3128503520 | +1 312-850-3520 Illinois U.S.A.
  • 3128503521 | +1 312-850-3521 Illinois U.S.A.
  • 3128503522 | +1 312-850-3522 Illinois U.S.A.
  • 3128503523 | +1 312-850-3523 Illinois U.S.A.
  • 3128503524 | +1 312-850-3524 Illinois U.S.A.
  • 3128503525 | +1 312-850-3525 Illinois U.S.A.
  • 3128503526 | +1 312-850-3526 Illinois U.S.A.
  • 3128503527 | +1 312-850-3527 Illinois U.S.A.
  • 3128503528 | +1 312-850-3528 Illinois U.S.A.
  • 3128503529 | +1 312-850-3529 Illinois U.S.A.
  • 3128503530 | +1 312-850-3530 Illinois U.S.A.
  • 3128503531 | +1 312-850-3531 Illinois U.S.A.
  • 3128503532 | +1 312-850-3532 Illinois U.S.A.
  • 3128503533 | +1 312-850-3533 Illinois U.S.A.
  • 3128503534 | +1 312-850-3534 Illinois U.S.A.
  • 3128503535 | +1 312-850-3535 Illinois U.S.A.
  • 3128503536 | +1 312-850-3536 Illinois U.S.A.
  • 3128503537 | +1 312-850-3537 Illinois U.S.A.
  • 3128503538 | +1 312-850-3538 Illinois U.S.A.
  • 3128503539 | +1 312-850-3539 Illinois U.S.A.
  • 3128503540 | +1 312-850-3540 Illinois U.S.A.
  • 3128503541 | +1 312-850-3541 Illinois U.S.A.
  • 3128503542 | +1 312-850-3542 Illinois U.S.A.
  • 3128503543 | +1 312-850-3543 Illinois U.S.A.
  • 3128503544 | +1 312-850-3544 Illinois U.S.A.
  • 3128503545 | +1 312-850-3545 Illinois U.S.A.
  • 3128503546 | +1 312-850-3546 Illinois U.S.A.
  • 3128503547 | +1 312-850-3547 Illinois U.S.A.
  • 3128503548 | +1 312-850-3548 Illinois U.S.A.
  • 3128503549 | +1 312-850-3549 Illinois U.S.A.
  • 3128503550 | +1 312-850-3550 Illinois U.S.A.
  • 3128503551 | +1 312-850-3551 Illinois U.S.A.
  • 3128503552 | +1 312-850-3552 Illinois U.S.A.
  • 3128503553 | +1 312-850-3553 Illinois U.S.A.
  • 3128503554 | +1 312-850-3554 Illinois U.S.A.
  • 3128503555 | +1 312-850-3555 Illinois U.S.A.
  • 3128503556 | +1 312-850-3556 Illinois U.S.A.
  • 3128503557 | +1 312-850-3557 Illinois U.S.A.
  • 3128503558 | +1 312-850-3558 Illinois U.S.A.
  • 3128503559 | +1 312-850-3559 Illinois U.S.A.
  • 3128503560 | +1 312-850-3560 Illinois U.S.A.
  • 3128503561 | +1 312-850-3561 Illinois U.S.A.
  • 3128503562 | +1 312-850-3562 Illinois U.S.A.
  • 3128503563 | +1 312-850-3563 Illinois U.S.A.
  • 3128503564 | +1 312-850-3564 Illinois U.S.A.
  • 3128503565 | +1 312-850-3565 Illinois U.S.A.
  • 3128503566 | +1 312-850-3566 Illinois U.S.A.
  • 3128503567 | +1 312-850-3567 Illinois U.S.A.
  • 3128503568 | +1 312-850-3568 Illinois U.S.A.
  • 3128503569 | +1 312-850-3569 Illinois U.S.A.
  • 3128503570 | +1 312-850-3570 Illinois U.S.A.
  • 3128503571 | +1 312-850-3571 Illinois U.S.A.
  • 3128503572 | +1 312-850-3572 Illinois U.S.A.
  • 3128503573 | +1 312-850-3573 Illinois U.S.A.
  • 3128503574 | +1 312-850-3574 Illinois U.S.A.
  • 3128503575 | +1 312-850-3575 Illinois U.S.A.
  • 3128503576 | +1 312-850-3576 Illinois U.S.A.
  • 3128503577 | +1 312-850-3577 Illinois U.S.A.
  • 3128503578 | +1 312-850-3578 Illinois U.S.A.
  • 3128503579 | +1 312-850-3579 Illinois U.S.A.
  • 3128503580 | +1 312-850-3580 Illinois U.S.A.
  • 3128503581 | +1 312-850-3581 Illinois U.S.A.
  • 3128503582 | +1 312-850-3582 Illinois U.S.A.
  • 3128503583 | +1 312-850-3583 Illinois U.S.A.
  • 3128503584 | +1 312-850-3584 Illinois U.S.A.
  • 3128503585 | +1 312-850-3585 Illinois U.S.A.
  • 3128503586 | +1 312-850-3586 Illinois U.S.A.
  • 3128503587 | +1 312-850-3587 Illinois U.S.A.
  • 3128503588 | +1 312-850-3588 Illinois U.S.A.
  • 3128503589 | +1 312-850-3589 Illinois U.S.A.
  • 3128503590 | +1 312-850-3590 Illinois U.S.A.
  • 3128503591 | +1 312-850-3591 Illinois U.S.A.
  • 3128503592 | +1 312-850-3592 Illinois U.S.A.
  • 3128503593 | +1 312-850-3593 Illinois U.S.A.
  • 3128503594 | +1 312-850-3594 Illinois U.S.A.
  • 3128503595 | +1 312-850-3595 Illinois U.S.A.
  • 3128503596 | +1 312-850-3596 Illinois U.S.A.
  • 3128503597 | +1 312-850-3597 Illinois U.S.A.
  • 3128503598 | +1 312-850-3598 Illinois U.S.A.
  • 3128503599 | +1 312-850-3599 Illinois U.S.A.