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).

  • 3124300500 | +1 312-430-0500 Illinois U.S.A.
  • 3124300501 | +1 312-430-0501 Illinois U.S.A.
  • 3124300502 | +1 312-430-0502 Illinois U.S.A.
  • 3124300503 | +1 312-430-0503 Illinois U.S.A.
  • 3124300504 | +1 312-430-0504 Illinois U.S.A.
  • 3124300505 | +1 312-430-0505 Illinois U.S.A.
  • 3124300506 | +1 312-430-0506 Illinois U.S.A.
  • 3124300507 | +1 312-430-0507 Illinois U.S.A.
  • 3124300508 | +1 312-430-0508 Illinois U.S.A.
  • 3124300509 | +1 312-430-0509 Illinois U.S.A.
  • 3124300510 | +1 312-430-0510 Illinois U.S.A.
  • 3124300511 | +1 312-430-0511 Illinois U.S.A.
  • 3124300512 | +1 312-430-0512 Illinois U.S.A.
  • 3124300513 | +1 312-430-0513 Illinois U.S.A.
  • 3124300514 | +1 312-430-0514 Illinois U.S.A.
  • 3124300515 | +1 312-430-0515 Illinois U.S.A.
  • 3124300516 | +1 312-430-0516 Illinois U.S.A.
  • 3124300517 | +1 312-430-0517 Illinois U.S.A.
  • 3124300518 | +1 312-430-0518 Illinois U.S.A.
  • 3124300519 | +1 312-430-0519 Illinois U.S.A.
  • 3124300520 | +1 312-430-0520 Illinois U.S.A.
  • 3124300521 | +1 312-430-0521 Illinois U.S.A.
  • 3124300522 | +1 312-430-0522 Illinois U.S.A.
  • 3124300523 | +1 312-430-0523 Illinois U.S.A.
  • 3124300524 | +1 312-430-0524 Illinois U.S.A.
  • 3124300525 | +1 312-430-0525 Illinois U.S.A.
  • 3124300526 | +1 312-430-0526 Illinois U.S.A.
  • 3124300527 | +1 312-430-0527 Illinois U.S.A.
  • 3124300528 | +1 312-430-0528 Illinois U.S.A.
  • 3124300529 | +1 312-430-0529 Illinois U.S.A.
  • 3124300530 | +1 312-430-0530 Illinois U.S.A.
  • 3124300531 | +1 312-430-0531 Illinois U.S.A.
  • 3124300532 | +1 312-430-0532 Illinois U.S.A.
  • 3124300533 | +1 312-430-0533 Illinois U.S.A.
  • 3124300534 | +1 312-430-0534 Illinois U.S.A.
  • 3124300535 | +1 312-430-0535 Illinois U.S.A.
  • 3124300536 | +1 312-430-0536 Illinois U.S.A.
  • 3124300537 | +1 312-430-0537 Illinois U.S.A.
  • 3124300538 | +1 312-430-0538 Illinois U.S.A.
  • 3124300539 | +1 312-430-0539 Illinois U.S.A.
  • 3124300540 | +1 312-430-0540 Illinois U.S.A.
  • 3124300541 | +1 312-430-0541 Illinois U.S.A.
  • 3124300542 | +1 312-430-0542 Illinois U.S.A.
  • 3124300543 | +1 312-430-0543 Illinois U.S.A.
  • 3124300544 | +1 312-430-0544 Illinois U.S.A.
  • 3124300545 | +1 312-430-0545 Illinois U.S.A.
  • 3124300546 | +1 312-430-0546 Illinois U.S.A.
  • 3124300547 | +1 312-430-0547 Illinois U.S.A.
  • 3124300548 | +1 312-430-0548 Illinois U.S.A.
  • 3124300549 | +1 312-430-0549 Illinois U.S.A.
  • 3124300550 | +1 312-430-0550 Illinois U.S.A.
  • 3124300551 | +1 312-430-0551 Illinois U.S.A.
  • 3124300552 | +1 312-430-0552 Illinois U.S.A.
  • 3124300553 | +1 312-430-0553 Illinois U.S.A.
  • 3124300554 | +1 312-430-0554 Illinois U.S.A.
  • 3124300555 | +1 312-430-0555 Illinois U.S.A.
  • 3124300556 | +1 312-430-0556 Illinois U.S.A.
  • 3124300557 | +1 312-430-0557 Illinois U.S.A.
  • 3124300558 | +1 312-430-0558 Illinois U.S.A.
  • 3124300559 | +1 312-430-0559 Illinois U.S.A.
  • 3124300560 | +1 312-430-0560 Illinois U.S.A.
  • 3124300561 | +1 312-430-0561 Illinois U.S.A.
  • 3124300562 | +1 312-430-0562 Illinois U.S.A.
  • 3124300563 | +1 312-430-0563 Illinois U.S.A.
  • 3124300564 | +1 312-430-0564 Illinois U.S.A.
  • 3124300565 | +1 312-430-0565 Illinois U.S.A.
  • 3124300566 | +1 312-430-0566 Illinois U.S.A.
  • 3124300567 | +1 312-430-0567 Illinois U.S.A.
  • 3124300568 | +1 312-430-0568 Illinois U.S.A.
  • 3124300569 | +1 312-430-0569 Illinois U.S.A.
  • 3124300570 | +1 312-430-0570 Illinois U.S.A.
  • 3124300571 | +1 312-430-0571 Illinois U.S.A.
  • 3124300572 | +1 312-430-0572 Illinois U.S.A.
  • 3124300573 | +1 312-430-0573 Illinois U.S.A.
  • 3124300574 | +1 312-430-0574 Illinois U.S.A.
  • 3124300575 | +1 312-430-0575 Illinois U.S.A.
  • 3124300576 | +1 312-430-0576 Illinois U.S.A.
  • 3124300577 | +1 312-430-0577 Illinois U.S.A.
  • 3124300578 | +1 312-430-0578 Illinois U.S.A.
  • 3124300579 | +1 312-430-0579 Illinois U.S.A.
  • 3124300580 | +1 312-430-0580 Illinois U.S.A.
  • 3124300581 | +1 312-430-0581 Illinois U.S.A.
  • 3124300582 | +1 312-430-0582 Illinois U.S.A.
  • 3124300583 | +1 312-430-0583 Illinois U.S.A.
  • 3124300584 | +1 312-430-0584 Illinois U.S.A.
  • 3124300585 | +1 312-430-0585 Illinois U.S.A.
  • 3124300586 | +1 312-430-0586 Illinois U.S.A.
  • 3124300587 | +1 312-430-0587 Illinois U.S.A.
  • 3124300588 | +1 312-430-0588 Illinois U.S.A.
  • 3124300589 | +1 312-430-0589 Illinois U.S.A.
  • 3124300590 | +1 312-430-0590 Illinois U.S.A.
  • 3124300591 | +1 312-430-0591 Illinois U.S.A.
  • 3124300592 | +1 312-430-0592 Illinois U.S.A.
  • 3124300593 | +1 312-430-0593 Illinois U.S.A.
  • 3124300594 | +1 312-430-0594 Illinois U.S.A.
  • 3124300595 | +1 312-430-0595 Illinois U.S.A.
  • 3124300596 | +1 312-430-0596 Illinois U.S.A.
  • 3124300597 | +1 312-430-0597 Illinois U.S.A.
  • 3124300598 | +1 312-430-0598 Illinois U.S.A.
  • 3124300599 | +1 312-430-0599 Illinois U.S.A.