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).

  • 3122303500 | +1 312-230-3500 Illinois U.S.A.
  • 3122303501 | +1 312-230-3501 Illinois U.S.A.
  • 3122303502 | +1 312-230-3502 Illinois U.S.A.
  • 3122303503 | +1 312-230-3503 Illinois U.S.A.
  • 3122303504 | +1 312-230-3504 Illinois U.S.A.
  • 3122303505 | +1 312-230-3505 Illinois U.S.A.
  • 3122303506 | +1 312-230-3506 Illinois U.S.A.
  • 3122303507 | +1 312-230-3507 Illinois U.S.A.
  • 3122303508 | +1 312-230-3508 Illinois U.S.A.
  • 3122303509 | +1 312-230-3509 Illinois U.S.A.
  • 3122303510 | +1 312-230-3510 Illinois U.S.A.
  • 3122303511 | +1 312-230-3511 Illinois U.S.A.
  • 3122303512 | +1 312-230-3512 Illinois U.S.A.
  • 3122303513 | +1 312-230-3513 Illinois U.S.A.
  • 3122303514 | +1 312-230-3514 Illinois U.S.A.
  • 3122303515 | +1 312-230-3515 Illinois U.S.A.
  • 3122303516 | +1 312-230-3516 Illinois U.S.A.
  • 3122303517 | +1 312-230-3517 Illinois U.S.A.
  • 3122303518 | +1 312-230-3518 Illinois U.S.A.
  • 3122303519 | +1 312-230-3519 Illinois U.S.A.
  • 3122303520 | +1 312-230-3520 Illinois U.S.A.
  • 3122303521 | +1 312-230-3521 Illinois U.S.A.
  • 3122303522 | +1 312-230-3522 Illinois U.S.A.
  • 3122303523 | +1 312-230-3523 Illinois U.S.A.
  • 3122303524 | +1 312-230-3524 Illinois U.S.A.
  • 3122303525 | +1 312-230-3525 Illinois U.S.A.
  • 3122303526 | +1 312-230-3526 Illinois U.S.A.
  • 3122303527 | +1 312-230-3527 Illinois U.S.A.
  • 3122303528 | +1 312-230-3528 Illinois U.S.A.
  • 3122303529 | +1 312-230-3529 Illinois U.S.A.
  • 3122303530 | +1 312-230-3530 Illinois U.S.A.
  • 3122303531 | +1 312-230-3531 Illinois U.S.A.
  • 3122303532 | +1 312-230-3532 Illinois U.S.A.
  • 3122303533 | +1 312-230-3533 Illinois U.S.A.
  • 3122303534 | +1 312-230-3534 Illinois U.S.A.
  • 3122303535 | +1 312-230-3535 Illinois U.S.A.
  • 3122303536 | +1 312-230-3536 Illinois U.S.A.
  • 3122303537 | +1 312-230-3537 Illinois U.S.A.
  • 3122303538 | +1 312-230-3538 Illinois U.S.A.
  • 3122303539 | +1 312-230-3539 Illinois U.S.A.
  • 3122303540 | +1 312-230-3540 Illinois U.S.A.
  • 3122303541 | +1 312-230-3541 Illinois U.S.A.
  • 3122303542 | +1 312-230-3542 Illinois U.S.A.
  • 3122303543 | +1 312-230-3543 Illinois U.S.A.
  • 3122303544 | +1 312-230-3544 Illinois U.S.A.
  • 3122303545 | +1 312-230-3545 Illinois U.S.A.
  • 3122303546 | +1 312-230-3546 Illinois U.S.A.
  • 3122303547 | +1 312-230-3547 Illinois U.S.A.
  • 3122303548 | +1 312-230-3548 Illinois U.S.A.
  • 3122303549 | +1 312-230-3549 Illinois U.S.A.
  • 3122303550 | +1 312-230-3550 Illinois U.S.A.
  • 3122303551 | +1 312-230-3551 Illinois U.S.A.
  • 3122303552 | +1 312-230-3552 Illinois U.S.A.
  • 3122303553 | +1 312-230-3553 Illinois U.S.A.
  • 3122303554 | +1 312-230-3554 Illinois U.S.A.
  • 3122303555 | +1 312-230-3555 Illinois U.S.A.
  • 3122303556 | +1 312-230-3556 Illinois U.S.A.
  • 3122303557 | +1 312-230-3557 Illinois U.S.A.
  • 3122303558 | +1 312-230-3558 Illinois U.S.A.
  • 3122303559 | +1 312-230-3559 Illinois U.S.A.
  • 3122303560 | +1 312-230-3560 Illinois U.S.A.
  • 3122303561 | +1 312-230-3561 Illinois U.S.A.
  • 3122303562 | +1 312-230-3562 Illinois U.S.A.
  • 3122303563 | +1 312-230-3563 Illinois U.S.A.
  • 3122303564 | +1 312-230-3564 Illinois U.S.A.
  • 3122303565 | +1 312-230-3565 Illinois U.S.A.
  • 3122303566 | +1 312-230-3566 Illinois U.S.A.
  • 3122303567 | +1 312-230-3567 Illinois U.S.A.
  • 3122303568 | +1 312-230-3568 Illinois U.S.A.
  • 3122303569 | +1 312-230-3569 Illinois U.S.A.
  • 3122303570 | +1 312-230-3570 Illinois U.S.A.
  • 3122303571 | +1 312-230-3571 Illinois U.S.A.
  • 3122303572 | +1 312-230-3572 Illinois U.S.A.
  • 3122303573 | +1 312-230-3573 Illinois U.S.A.
  • 3122303574 | +1 312-230-3574 Illinois U.S.A.
  • 3122303575 | +1 312-230-3575 Illinois U.S.A.
  • 3122303576 | +1 312-230-3576 Illinois U.S.A.
  • 3122303577 | +1 312-230-3577 Illinois U.S.A.
  • 3122303578 | +1 312-230-3578 Illinois U.S.A.
  • 3122303579 | +1 312-230-3579 Illinois U.S.A.
  • 3122303580 | +1 312-230-3580 Illinois U.S.A.
  • 3122303581 | +1 312-230-3581 Illinois U.S.A.
  • 3122303582 | +1 312-230-3582 Illinois U.S.A.
  • 3122303583 | +1 312-230-3583 Illinois U.S.A.
  • 3122303584 | +1 312-230-3584 Illinois U.S.A.
  • 3122303585 | +1 312-230-3585 Illinois U.S.A.
  • 3122303586 | +1 312-230-3586 Illinois U.S.A.
  • 3122303587 | +1 312-230-3587 Illinois U.S.A.
  • 3122303588 | +1 312-230-3588 Illinois U.S.A.
  • 3122303589 | +1 312-230-3589 Illinois U.S.A.
  • 3122303590 | +1 312-230-3590 Illinois U.S.A.
  • 3122303591 | +1 312-230-3591 Illinois U.S.A.
  • 3122303592 | +1 312-230-3592 Illinois U.S.A.
  • 3122303593 | +1 312-230-3593 Illinois U.S.A.
  • 3122303594 | +1 312-230-3594 Illinois U.S.A.
  • 3122303595 | +1 312-230-3595 Illinois U.S.A.
  • 3122303596 | +1 312-230-3596 Illinois U.S.A.
  • 3122303597 | +1 312-230-3597 Illinois U.S.A.
  • 3122303598 | +1 312-230-3598 Illinois U.S.A.
  • 3122303599 | +1 312-230-3599 Illinois U.S.A.