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).

  • 3128993500 | +1 312-899-3500 Illinois U.S.A.
  • 3128993501 | +1 312-899-3501 Illinois U.S.A.
  • 3128993502 | +1 312-899-3502 Illinois U.S.A.
  • 3128993503 | +1 312-899-3503 Illinois U.S.A.
  • 3128993504 | +1 312-899-3504 Illinois U.S.A.
  • 3128993505 | +1 312-899-3505 Illinois U.S.A.
  • 3128993506 | +1 312-899-3506 Illinois U.S.A.
  • 3128993507 | +1 312-899-3507 Illinois U.S.A.
  • 3128993508 | +1 312-899-3508 Illinois U.S.A.
  • 3128993509 | +1 312-899-3509 Illinois U.S.A.
  • 3128993510 | +1 312-899-3510 Illinois U.S.A.
  • 3128993511 | +1 312-899-3511 Illinois U.S.A.
  • 3128993512 | +1 312-899-3512 Illinois U.S.A.
  • 3128993513 | +1 312-899-3513 Illinois U.S.A.
  • 3128993514 | +1 312-899-3514 Illinois U.S.A.
  • 3128993515 | +1 312-899-3515 Illinois U.S.A.
  • 3128993516 | +1 312-899-3516 Illinois U.S.A.
  • 3128993517 | +1 312-899-3517 Illinois U.S.A.
  • 3128993518 | +1 312-899-3518 Illinois U.S.A.
  • 3128993519 | +1 312-899-3519 Illinois U.S.A.
  • 3128993520 | +1 312-899-3520 Illinois U.S.A.
  • 3128993521 | +1 312-899-3521 Illinois U.S.A.
  • 3128993522 | +1 312-899-3522 Illinois U.S.A.
  • 3128993523 | +1 312-899-3523 Illinois U.S.A.
  • 3128993524 | +1 312-899-3524 Illinois U.S.A.
  • 3128993525 | +1 312-899-3525 Illinois U.S.A.
  • 3128993526 | +1 312-899-3526 Illinois U.S.A.
  • 3128993527 | +1 312-899-3527 Illinois U.S.A.
  • 3128993528 | +1 312-899-3528 Illinois U.S.A.
  • 3128993529 | +1 312-899-3529 Illinois U.S.A.
  • 3128993530 | +1 312-899-3530 Illinois U.S.A.
  • 3128993531 | +1 312-899-3531 Illinois U.S.A.
  • 3128993532 | +1 312-899-3532 Illinois U.S.A.
  • 3128993533 | +1 312-899-3533 Illinois U.S.A.
  • 3128993534 | +1 312-899-3534 Illinois U.S.A.
  • 3128993535 | +1 312-899-3535 Illinois U.S.A.
  • 3128993536 | +1 312-899-3536 Illinois U.S.A.
  • 3128993537 | +1 312-899-3537 Illinois U.S.A.
  • 3128993538 | +1 312-899-3538 Illinois U.S.A.
  • 3128993539 | +1 312-899-3539 Illinois U.S.A.
  • 3128993540 | +1 312-899-3540 Illinois U.S.A.
  • 3128993541 | +1 312-899-3541 Illinois U.S.A.
  • 3128993542 | +1 312-899-3542 Illinois U.S.A.
  • 3128993543 | +1 312-899-3543 Illinois U.S.A.
  • 3128993544 | +1 312-899-3544 Illinois U.S.A.
  • 3128993545 | +1 312-899-3545 Illinois U.S.A.
  • 3128993546 | +1 312-899-3546 Illinois U.S.A.
  • 3128993547 | +1 312-899-3547 Illinois U.S.A.
  • 3128993548 | +1 312-899-3548 Illinois U.S.A.
  • 3128993549 | +1 312-899-3549 Illinois U.S.A.
  • 3128993550 | +1 312-899-3550 Illinois U.S.A.
  • 3128993551 | +1 312-899-3551 Illinois U.S.A.
  • 3128993552 | +1 312-899-3552 Illinois U.S.A.
  • 3128993553 | +1 312-899-3553 Illinois U.S.A.
  • 3128993554 | +1 312-899-3554 Illinois U.S.A.
  • 3128993555 | +1 312-899-3555 Illinois U.S.A.
  • 3128993556 | +1 312-899-3556 Illinois U.S.A.
  • 3128993557 | +1 312-899-3557 Illinois U.S.A.
  • 3128993558 | +1 312-899-3558 Illinois U.S.A.
  • 3128993559 | +1 312-899-3559 Illinois U.S.A.
  • 3128993560 | +1 312-899-3560 Illinois U.S.A.
  • 3128993561 | +1 312-899-3561 Illinois U.S.A.
  • 3128993562 | +1 312-899-3562 Illinois U.S.A.
  • 3128993563 | +1 312-899-3563 Illinois U.S.A.
  • 3128993564 | +1 312-899-3564 Illinois U.S.A.
  • 3128993565 | +1 312-899-3565 Illinois U.S.A.
  • 3128993566 | +1 312-899-3566 Illinois U.S.A.
  • 3128993567 | +1 312-899-3567 Illinois U.S.A.
  • 3128993568 | +1 312-899-3568 Illinois U.S.A.
  • 3128993569 | +1 312-899-3569 Illinois U.S.A.
  • 3128993570 | +1 312-899-3570 Illinois U.S.A.
  • 3128993571 | +1 312-899-3571 Illinois U.S.A.
  • 3128993572 | +1 312-899-3572 Illinois U.S.A.
  • 3128993573 | +1 312-899-3573 Illinois U.S.A.
  • 3128993574 | +1 312-899-3574 Illinois U.S.A.
  • 3128993575 | +1 312-899-3575 Illinois U.S.A.
  • 3128993576 | +1 312-899-3576 Illinois U.S.A.
  • 3128993577 | +1 312-899-3577 Illinois U.S.A.
  • 3128993578 | +1 312-899-3578 Illinois U.S.A.
  • 3128993579 | +1 312-899-3579 Illinois U.S.A.
  • 3128993580 | +1 312-899-3580 Illinois U.S.A.
  • 3128993581 | +1 312-899-3581 Illinois U.S.A.
  • 3128993582 | +1 312-899-3582 Illinois U.S.A.
  • 3128993583 | +1 312-899-3583 Illinois U.S.A.
  • 3128993584 | +1 312-899-3584 Illinois U.S.A.
  • 3128993585 | +1 312-899-3585 Illinois U.S.A.
  • 3128993586 | +1 312-899-3586 Illinois U.S.A.
  • 3128993587 | +1 312-899-3587 Illinois U.S.A.
  • 3128993588 | +1 312-899-3588 Illinois U.S.A.
  • 3128993589 | +1 312-899-3589 Illinois U.S.A.
  • 3128993590 | +1 312-899-3590 Illinois U.S.A.
  • 3128993591 | +1 312-899-3591 Illinois U.S.A.
  • 3128993592 | +1 312-899-3592 Illinois U.S.A.
  • 3128993593 | +1 312-899-3593 Illinois U.S.A.
  • 3128993594 | +1 312-899-3594 Illinois U.S.A.
  • 3128993595 | +1 312-899-3595 Illinois U.S.A.
  • 3128993596 | +1 312-899-3596 Illinois U.S.A.
  • 3128993597 | +1 312-899-3597 Illinois U.S.A.
  • 3128993598 | +1 312-899-3598 Illinois U.S.A.
  • 3128993599 | +1 312-899-3599 Illinois U.S.A.