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).

  • 3128507500 | +1 312-850-7500 Illinois U.S.A.
  • 3128507501 | +1 312-850-7501 Illinois U.S.A.
  • 3128507502 | +1 312-850-7502 Illinois U.S.A.
  • 3128507503 | +1 312-850-7503 Illinois U.S.A.
  • 3128507504 | +1 312-850-7504 Illinois U.S.A.
  • 3128507505 | +1 312-850-7505 Illinois U.S.A.
  • 3128507506 | +1 312-850-7506 Illinois U.S.A.
  • 3128507507 | +1 312-850-7507 Illinois U.S.A.
  • 3128507508 | +1 312-850-7508 Illinois U.S.A.
  • 3128507509 | +1 312-850-7509 Illinois U.S.A.
  • 3128507510 | +1 312-850-7510 Illinois U.S.A.
  • 3128507511 | +1 312-850-7511 Illinois U.S.A.
  • 3128507512 | +1 312-850-7512 Illinois U.S.A.
  • 3128507513 | +1 312-850-7513 Illinois U.S.A.
  • 3128507514 | +1 312-850-7514 Illinois U.S.A.
  • 3128507515 | +1 312-850-7515 Illinois U.S.A.
  • 3128507516 | +1 312-850-7516 Illinois U.S.A.
  • 3128507517 | +1 312-850-7517 Illinois U.S.A.
  • 3128507518 | +1 312-850-7518 Illinois U.S.A.
  • 3128507519 | +1 312-850-7519 Illinois U.S.A.
  • 3128507520 | +1 312-850-7520 Illinois U.S.A.
  • 3128507521 | +1 312-850-7521 Illinois U.S.A.
  • 3128507522 | +1 312-850-7522 Illinois U.S.A.
  • 3128507523 | +1 312-850-7523 Illinois U.S.A.
  • 3128507524 | +1 312-850-7524 Illinois U.S.A.
  • 3128507525 | +1 312-850-7525 Illinois U.S.A.
  • 3128507526 | +1 312-850-7526 Illinois U.S.A.
  • 3128507527 | +1 312-850-7527 Illinois U.S.A.
  • 3128507528 | +1 312-850-7528 Illinois U.S.A.
  • 3128507529 | +1 312-850-7529 Illinois U.S.A.
  • 3128507530 | +1 312-850-7530 Illinois U.S.A.
  • 3128507531 | +1 312-850-7531 Illinois U.S.A.
  • 3128507532 | +1 312-850-7532 Illinois U.S.A.
  • 3128507533 | +1 312-850-7533 Illinois U.S.A.
  • 3128507534 | +1 312-850-7534 Illinois U.S.A.
  • 3128507535 | +1 312-850-7535 Illinois U.S.A.
  • 3128507536 | +1 312-850-7536 Illinois U.S.A.
  • 3128507537 | +1 312-850-7537 Illinois U.S.A.
  • 3128507538 | +1 312-850-7538 Illinois U.S.A.
  • 3128507539 | +1 312-850-7539 Illinois U.S.A.
  • 3128507540 | +1 312-850-7540 Illinois U.S.A.
  • 3128507541 | +1 312-850-7541 Illinois U.S.A.
  • 3128507542 | +1 312-850-7542 Illinois U.S.A.
  • 3128507543 | +1 312-850-7543 Illinois U.S.A.
  • 3128507544 | +1 312-850-7544 Illinois U.S.A.
  • 3128507545 | +1 312-850-7545 Illinois U.S.A.
  • 3128507546 | +1 312-850-7546 Illinois U.S.A.
  • 3128507547 | +1 312-850-7547 Illinois U.S.A.
  • 3128507548 | +1 312-850-7548 Illinois U.S.A.
  • 3128507549 | +1 312-850-7549 Illinois U.S.A.
  • 3128507550 | +1 312-850-7550 Illinois U.S.A.
  • 3128507551 | +1 312-850-7551 Illinois U.S.A.
  • 3128507552 | +1 312-850-7552 Illinois U.S.A.
  • 3128507553 | +1 312-850-7553 Illinois U.S.A.
  • 3128507554 | +1 312-850-7554 Illinois U.S.A.
  • 3128507555 | +1 312-850-7555 Illinois U.S.A.
  • 3128507556 | +1 312-850-7556 Illinois U.S.A.
  • 3128507557 | +1 312-850-7557 Illinois U.S.A.
  • 3128507558 | +1 312-850-7558 Illinois U.S.A.
  • 3128507559 | +1 312-850-7559 Illinois U.S.A.
  • 3128507560 | +1 312-850-7560 Illinois U.S.A.
  • 3128507561 | +1 312-850-7561 Illinois U.S.A.
  • 3128507562 | +1 312-850-7562 Illinois U.S.A.
  • 3128507563 | +1 312-850-7563 Illinois U.S.A.
  • 3128507564 | +1 312-850-7564 Illinois U.S.A.
  • 3128507565 | +1 312-850-7565 Illinois U.S.A.
  • 3128507566 | +1 312-850-7566 Illinois U.S.A.
  • 3128507567 | +1 312-850-7567 Illinois U.S.A.
  • 3128507568 | +1 312-850-7568 Illinois U.S.A.
  • 3128507569 | +1 312-850-7569 Illinois U.S.A.
  • 3128507570 | +1 312-850-7570 Illinois U.S.A.
  • 3128507571 | +1 312-850-7571 Illinois U.S.A.
  • 3128507572 | +1 312-850-7572 Illinois U.S.A.
  • 3128507573 | +1 312-850-7573 Illinois U.S.A.
  • 3128507574 | +1 312-850-7574 Illinois U.S.A.
  • 3128507575 | +1 312-850-7575 Illinois U.S.A.
  • 3128507576 | +1 312-850-7576 Illinois U.S.A.
  • 3128507577 | +1 312-850-7577 Illinois U.S.A.
  • 3128507578 | +1 312-850-7578 Illinois U.S.A.
  • 3128507579 | +1 312-850-7579 Illinois U.S.A.
  • 3128507580 | +1 312-850-7580 Illinois U.S.A.
  • 3128507581 | +1 312-850-7581 Illinois U.S.A.
  • 3128507582 | +1 312-850-7582 Illinois U.S.A.
  • 3128507583 | +1 312-850-7583 Illinois U.S.A.
  • 3128507584 | +1 312-850-7584 Illinois U.S.A.
  • 3128507585 | +1 312-850-7585 Illinois U.S.A.
  • 3128507586 | +1 312-850-7586 Illinois U.S.A.
  • 3128507587 | +1 312-850-7587 Illinois U.S.A.
  • 3128507588 | +1 312-850-7588 Illinois U.S.A.
  • 3128507589 | +1 312-850-7589 Illinois U.S.A.
  • 3128507590 | +1 312-850-7590 Illinois U.S.A.
  • 3128507591 | +1 312-850-7591 Illinois U.S.A.
  • 3128507592 | +1 312-850-7592 Illinois U.S.A.
  • 3128507593 | +1 312-850-7593 Illinois U.S.A.
  • 3128507594 | +1 312-850-7594 Illinois U.S.A.
  • 3128507595 | +1 312-850-7595 Illinois U.S.A.
  • 3128507596 | +1 312-850-7596 Illinois U.S.A.
  • 3128507597 | +1 312-850-7597 Illinois U.S.A.
  • 3128507598 | +1 312-850-7598 Illinois U.S.A.
  • 3128507599 | +1 312-850-7599 Illinois U.S.A.