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).

  • 3127990500 | +1 312-799-0500 Illinois U.S.A.
  • 3127990501 | +1 312-799-0501 Illinois U.S.A.
  • 3127990502 | +1 312-799-0502 Illinois U.S.A.
  • 3127990503 | +1 312-799-0503 Illinois U.S.A.
  • 3127990504 | +1 312-799-0504 Illinois U.S.A.
  • 3127990505 | +1 312-799-0505 Illinois U.S.A.
  • 3127990506 | +1 312-799-0506 Illinois U.S.A.
  • 3127990507 | +1 312-799-0507 Illinois U.S.A.
  • 3127990508 | +1 312-799-0508 Illinois U.S.A.
  • 3127990509 | +1 312-799-0509 Illinois U.S.A.
  • 3127990510 | +1 312-799-0510 Illinois U.S.A.
  • 3127990511 | +1 312-799-0511 Illinois U.S.A.
  • 3127990512 | +1 312-799-0512 Illinois U.S.A.
  • 3127990513 | +1 312-799-0513 Illinois U.S.A.
  • 3127990514 | +1 312-799-0514 Illinois U.S.A.
  • 3127990515 | +1 312-799-0515 Illinois U.S.A.
  • 3127990516 | +1 312-799-0516 Illinois U.S.A.
  • 3127990517 | +1 312-799-0517 Illinois U.S.A.
  • 3127990518 | +1 312-799-0518 Illinois U.S.A.
  • 3127990519 | +1 312-799-0519 Illinois U.S.A.
  • 3127990520 | +1 312-799-0520 Illinois U.S.A.
  • 3127990521 | +1 312-799-0521 Illinois U.S.A.
  • 3127990522 | +1 312-799-0522 Illinois U.S.A.
  • 3127990523 | +1 312-799-0523 Illinois U.S.A.
  • 3127990524 | +1 312-799-0524 Illinois U.S.A.
  • 3127990525 | +1 312-799-0525 Illinois U.S.A.
  • 3127990526 | +1 312-799-0526 Illinois U.S.A.
  • 3127990527 | +1 312-799-0527 Illinois U.S.A.
  • 3127990528 | +1 312-799-0528 Illinois U.S.A.
  • 3127990529 | +1 312-799-0529 Illinois U.S.A.
  • 3127990530 | +1 312-799-0530 Illinois U.S.A.
  • 3127990531 | +1 312-799-0531 Illinois U.S.A.
  • 3127990532 | +1 312-799-0532 Illinois U.S.A.
  • 3127990533 | +1 312-799-0533 Illinois U.S.A.
  • 3127990534 | +1 312-799-0534 Illinois U.S.A.
  • 3127990535 | +1 312-799-0535 Illinois U.S.A.
  • 3127990536 | +1 312-799-0536 Illinois U.S.A.
  • 3127990537 | +1 312-799-0537 Illinois U.S.A.
  • 3127990538 | +1 312-799-0538 Illinois U.S.A.
  • 3127990539 | +1 312-799-0539 Illinois U.S.A.
  • 3127990540 | +1 312-799-0540 Illinois U.S.A.
  • 3127990541 | +1 312-799-0541 Illinois U.S.A.
  • 3127990542 | +1 312-799-0542 Illinois U.S.A.
  • 3127990543 | +1 312-799-0543 Illinois U.S.A.
  • 3127990544 | +1 312-799-0544 Illinois U.S.A.
  • 3127990545 | +1 312-799-0545 Illinois U.S.A.
  • 3127990546 | +1 312-799-0546 Illinois U.S.A.
  • 3127990547 | +1 312-799-0547 Illinois U.S.A.
  • 3127990548 | +1 312-799-0548 Illinois U.S.A.
  • 3127990549 | +1 312-799-0549 Illinois U.S.A.
  • 3127990550 | +1 312-799-0550 Illinois U.S.A.
  • 3127990551 | +1 312-799-0551 Illinois U.S.A.
  • 3127990552 | +1 312-799-0552 Illinois U.S.A.
  • 3127990553 | +1 312-799-0553 Illinois U.S.A.
  • 3127990554 | +1 312-799-0554 Illinois U.S.A.
  • 3127990555 | +1 312-799-0555 Illinois U.S.A.
  • 3127990556 | +1 312-799-0556 Illinois U.S.A.
  • 3127990557 | +1 312-799-0557 Illinois U.S.A.
  • 3127990558 | +1 312-799-0558 Illinois U.S.A.
  • 3127990559 | +1 312-799-0559 Illinois U.S.A.
  • 3127990560 | +1 312-799-0560 Illinois U.S.A.
  • 3127990561 | +1 312-799-0561 Illinois U.S.A.
  • 3127990562 | +1 312-799-0562 Illinois U.S.A.
  • 3127990563 | +1 312-799-0563 Illinois U.S.A.
  • 3127990564 | +1 312-799-0564 Illinois U.S.A.
  • 3127990565 | +1 312-799-0565 Illinois U.S.A.
  • 3127990566 | +1 312-799-0566 Illinois U.S.A.
  • 3127990567 | +1 312-799-0567 Illinois U.S.A.
  • 3127990568 | +1 312-799-0568 Illinois U.S.A.
  • 3127990569 | +1 312-799-0569 Illinois U.S.A.
  • 3127990570 | +1 312-799-0570 Illinois U.S.A.
  • 3127990571 | +1 312-799-0571 Illinois U.S.A.
  • 3127990572 | +1 312-799-0572 Illinois U.S.A.
  • 3127990573 | +1 312-799-0573 Illinois U.S.A.
  • 3127990574 | +1 312-799-0574 Illinois U.S.A.
  • 3127990575 | +1 312-799-0575 Illinois U.S.A.
  • 3127990576 | +1 312-799-0576 Illinois U.S.A.
  • 3127990577 | +1 312-799-0577 Illinois U.S.A.
  • 3127990578 | +1 312-799-0578 Illinois U.S.A.
  • 3127990579 | +1 312-799-0579 Illinois U.S.A.
  • 3127990580 | +1 312-799-0580 Illinois U.S.A.
  • 3127990581 | +1 312-799-0581 Illinois U.S.A.
  • 3127990582 | +1 312-799-0582 Illinois U.S.A.
  • 3127990583 | +1 312-799-0583 Illinois U.S.A.
  • 3127990584 | +1 312-799-0584 Illinois U.S.A.
  • 3127990585 | +1 312-799-0585 Illinois U.S.A.
  • 3127990586 | +1 312-799-0586 Illinois U.S.A.
  • 3127990587 | +1 312-799-0587 Illinois U.S.A.
  • 3127990588 | +1 312-799-0588 Illinois U.S.A.
  • 3127990589 | +1 312-799-0589 Illinois U.S.A.
  • 3127990590 | +1 312-799-0590 Illinois U.S.A.
  • 3127990591 | +1 312-799-0591 Illinois U.S.A.
  • 3127990592 | +1 312-799-0592 Illinois U.S.A.
  • 3127990593 | +1 312-799-0593 Illinois U.S.A.
  • 3127990594 | +1 312-799-0594 Illinois U.S.A.
  • 3127990595 | +1 312-799-0595 Illinois U.S.A.
  • 3127990596 | +1 312-799-0596 Illinois U.S.A.
  • 3127990597 | +1 312-799-0597 Illinois U.S.A.
  • 3127990598 | +1 312-799-0598 Illinois U.S.A.
  • 3127990599 | +1 312-799-0599 Illinois U.S.A.