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).

  • 3129920500 | +1 312-992-0500 Illinois U.S.A.
  • 3129920501 | +1 312-992-0501 Illinois U.S.A.
  • 3129920502 | +1 312-992-0502 Illinois U.S.A.
  • 3129920503 | +1 312-992-0503 Illinois U.S.A.
  • 3129920504 | +1 312-992-0504 Illinois U.S.A.
  • 3129920505 | +1 312-992-0505 Illinois U.S.A.
  • 3129920506 | +1 312-992-0506 Illinois U.S.A.
  • 3129920507 | +1 312-992-0507 Illinois U.S.A.
  • 3129920508 | +1 312-992-0508 Illinois U.S.A.
  • 3129920509 | +1 312-992-0509 Illinois U.S.A.
  • 3129920510 | +1 312-992-0510 Illinois U.S.A.
  • 3129920511 | +1 312-992-0511 Illinois U.S.A.
  • 3129920512 | +1 312-992-0512 Illinois U.S.A.
  • 3129920513 | +1 312-992-0513 Illinois U.S.A.
  • 3129920514 | +1 312-992-0514 Illinois U.S.A.
  • 3129920515 | +1 312-992-0515 Illinois U.S.A.
  • 3129920516 | +1 312-992-0516 Illinois U.S.A.
  • 3129920517 | +1 312-992-0517 Illinois U.S.A.
  • 3129920518 | +1 312-992-0518 Illinois U.S.A.
  • 3129920519 | +1 312-992-0519 Illinois U.S.A.
  • 3129920520 | +1 312-992-0520 Illinois U.S.A.
  • 3129920521 | +1 312-992-0521 Illinois U.S.A.
  • 3129920522 | +1 312-992-0522 Illinois U.S.A.
  • 3129920523 | +1 312-992-0523 Illinois U.S.A.
  • 3129920524 | +1 312-992-0524 Illinois U.S.A.
  • 3129920525 | +1 312-992-0525 Illinois U.S.A.
  • 3129920526 | +1 312-992-0526 Illinois U.S.A.
  • 3129920527 | +1 312-992-0527 Illinois U.S.A.
  • 3129920528 | +1 312-992-0528 Illinois U.S.A.
  • 3129920529 | +1 312-992-0529 Illinois U.S.A.
  • 3129920530 | +1 312-992-0530 Illinois U.S.A.
  • 3129920531 | +1 312-992-0531 Illinois U.S.A.
  • 3129920532 | +1 312-992-0532 Illinois U.S.A.
  • 3129920533 | +1 312-992-0533 Illinois U.S.A.
  • 3129920534 | +1 312-992-0534 Illinois U.S.A.
  • 3129920535 | +1 312-992-0535 Illinois U.S.A.
  • 3129920536 | +1 312-992-0536 Illinois U.S.A.
  • 3129920537 | +1 312-992-0537 Illinois U.S.A.
  • 3129920538 | +1 312-992-0538 Illinois U.S.A.
  • 3129920539 | +1 312-992-0539 Illinois U.S.A.
  • 3129920540 | +1 312-992-0540 Illinois U.S.A.
  • 3129920541 | +1 312-992-0541 Illinois U.S.A.
  • 3129920542 | +1 312-992-0542 Illinois U.S.A.
  • 3129920543 | +1 312-992-0543 Illinois U.S.A.
  • 3129920544 | +1 312-992-0544 Illinois U.S.A.
  • 3129920545 | +1 312-992-0545 Illinois U.S.A.
  • 3129920546 | +1 312-992-0546 Illinois U.S.A.
  • 3129920547 | +1 312-992-0547 Illinois U.S.A.
  • 3129920548 | +1 312-992-0548 Illinois U.S.A.
  • 3129920549 | +1 312-992-0549 Illinois U.S.A.
  • 3129920550 | +1 312-992-0550 Illinois U.S.A.
  • 3129920551 | +1 312-992-0551 Illinois U.S.A.
  • 3129920552 | +1 312-992-0552 Illinois U.S.A.
  • 3129920553 | +1 312-992-0553 Illinois U.S.A.
  • 3129920554 | +1 312-992-0554 Illinois U.S.A.
  • 3129920555 | +1 312-992-0555 Illinois U.S.A.
  • 3129920556 | +1 312-992-0556 Illinois U.S.A.
  • 3129920557 | +1 312-992-0557 Illinois U.S.A.
  • 3129920558 | +1 312-992-0558 Illinois U.S.A.
  • 3129920559 | +1 312-992-0559 Illinois U.S.A.
  • 3129920560 | +1 312-992-0560 Illinois U.S.A.
  • 3129920561 | +1 312-992-0561 Illinois U.S.A.
  • 3129920562 | +1 312-992-0562 Illinois U.S.A.
  • 3129920563 | +1 312-992-0563 Illinois U.S.A.
  • 3129920564 | +1 312-992-0564 Illinois U.S.A.
  • 3129920565 | +1 312-992-0565 Illinois U.S.A.
  • 3129920566 | +1 312-992-0566 Illinois U.S.A.
  • 3129920567 | +1 312-992-0567 Illinois U.S.A.
  • 3129920568 | +1 312-992-0568 Illinois U.S.A.
  • 3129920569 | +1 312-992-0569 Illinois U.S.A.
  • 3129920570 | +1 312-992-0570 Illinois U.S.A.
  • 3129920571 | +1 312-992-0571 Illinois U.S.A.
  • 3129920572 | +1 312-992-0572 Illinois U.S.A.
  • 3129920573 | +1 312-992-0573 Illinois U.S.A.
  • 3129920574 | +1 312-992-0574 Illinois U.S.A.
  • 3129920575 | +1 312-992-0575 Illinois U.S.A.
  • 3129920576 | +1 312-992-0576 Illinois U.S.A.
  • 3129920577 | +1 312-992-0577 Illinois U.S.A.
  • 3129920578 | +1 312-992-0578 Illinois U.S.A.
  • 3129920579 | +1 312-992-0579 Illinois U.S.A.
  • 3129920580 | +1 312-992-0580 Illinois U.S.A.
  • 3129920581 | +1 312-992-0581 Illinois U.S.A.
  • 3129920582 | +1 312-992-0582 Illinois U.S.A.
  • 3129920583 | +1 312-992-0583 Illinois U.S.A.
  • 3129920584 | +1 312-992-0584 Illinois U.S.A.
  • 3129920585 | +1 312-992-0585 Illinois U.S.A.
  • 3129920586 | +1 312-992-0586 Illinois U.S.A.
  • 3129920587 | +1 312-992-0587 Illinois U.S.A.
  • 3129920588 | +1 312-992-0588 Illinois U.S.A.
  • 3129920589 | +1 312-992-0589 Illinois U.S.A.
  • 3129920590 | +1 312-992-0590 Illinois U.S.A.
  • 3129920591 | +1 312-992-0591 Illinois U.S.A.
  • 3129920592 | +1 312-992-0592 Illinois U.S.A.
  • 3129920593 | +1 312-992-0593 Illinois U.S.A.
  • 3129920594 | +1 312-992-0594 Illinois U.S.A.
  • 3129920595 | +1 312-992-0595 Illinois U.S.A.
  • 3129920596 | +1 312-992-0596 Illinois U.S.A.
  • 3129920597 | +1 312-992-0597 Illinois U.S.A.
  • 3129920598 | +1 312-992-0598 Illinois U.S.A.
  • 3129920599 | +1 312-992-0599 Illinois U.S.A.