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).

  • 3129929500 | +1 312-992-9500 Illinois U.S.A.
  • 3129929501 | +1 312-992-9501 Illinois U.S.A.
  • 3129929502 | +1 312-992-9502 Illinois U.S.A.
  • 3129929503 | +1 312-992-9503 Illinois U.S.A.
  • 3129929504 | +1 312-992-9504 Illinois U.S.A.
  • 3129929505 | +1 312-992-9505 Illinois U.S.A.
  • 3129929506 | +1 312-992-9506 Illinois U.S.A.
  • 3129929507 | +1 312-992-9507 Illinois U.S.A.
  • 3129929508 | +1 312-992-9508 Illinois U.S.A.
  • 3129929509 | +1 312-992-9509 Illinois U.S.A.
  • 3129929510 | +1 312-992-9510 Illinois U.S.A.
  • 3129929511 | +1 312-992-9511 Illinois U.S.A.
  • 3129929512 | +1 312-992-9512 Illinois U.S.A.
  • 3129929513 | +1 312-992-9513 Illinois U.S.A.
  • 3129929514 | +1 312-992-9514 Illinois U.S.A.
  • 3129929515 | +1 312-992-9515 Illinois U.S.A.
  • 3129929516 | +1 312-992-9516 Illinois U.S.A.
  • 3129929517 | +1 312-992-9517 Illinois U.S.A.
  • 3129929518 | +1 312-992-9518 Illinois U.S.A.
  • 3129929519 | +1 312-992-9519 Illinois U.S.A.
  • 3129929520 | +1 312-992-9520 Illinois U.S.A.
  • 3129929521 | +1 312-992-9521 Illinois U.S.A.
  • 3129929522 | +1 312-992-9522 Illinois U.S.A.
  • 3129929523 | +1 312-992-9523 Illinois U.S.A.
  • 3129929524 | +1 312-992-9524 Illinois U.S.A.
  • 3129929525 | +1 312-992-9525 Illinois U.S.A.
  • 3129929526 | +1 312-992-9526 Illinois U.S.A.
  • 3129929527 | +1 312-992-9527 Illinois U.S.A.
  • 3129929528 | +1 312-992-9528 Illinois U.S.A.
  • 3129929529 | +1 312-992-9529 Illinois U.S.A.
  • 3129929530 | +1 312-992-9530 Illinois U.S.A.
  • 3129929531 | +1 312-992-9531 Illinois U.S.A.
  • 3129929532 | +1 312-992-9532 Illinois U.S.A.
  • 3129929533 | +1 312-992-9533 Illinois U.S.A.
  • 3129929534 | +1 312-992-9534 Illinois U.S.A.
  • 3129929535 | +1 312-992-9535 Illinois U.S.A.
  • 3129929536 | +1 312-992-9536 Illinois U.S.A.
  • 3129929537 | +1 312-992-9537 Illinois U.S.A.
  • 3129929538 | +1 312-992-9538 Illinois U.S.A.
  • 3129929539 | +1 312-992-9539 Illinois U.S.A.
  • 3129929540 | +1 312-992-9540 Illinois U.S.A.
  • 3129929541 | +1 312-992-9541 Illinois U.S.A.
  • 3129929542 | +1 312-992-9542 Illinois U.S.A.
  • 3129929543 | +1 312-992-9543 Illinois U.S.A.
  • 3129929544 | +1 312-992-9544 Illinois U.S.A.
  • 3129929545 | +1 312-992-9545 Illinois U.S.A.
  • 3129929546 | +1 312-992-9546 Illinois U.S.A.
  • 3129929547 | +1 312-992-9547 Illinois U.S.A.
  • 3129929548 | +1 312-992-9548 Illinois U.S.A.
  • 3129929549 | +1 312-992-9549 Illinois U.S.A.
  • 3129929550 | +1 312-992-9550 Illinois U.S.A.
  • 3129929551 | +1 312-992-9551 Illinois U.S.A.
  • 3129929552 | +1 312-992-9552 Illinois U.S.A.
  • 3129929553 | +1 312-992-9553 Illinois U.S.A.
  • 3129929554 | +1 312-992-9554 Illinois U.S.A.
  • 3129929555 | +1 312-992-9555 Illinois U.S.A.
  • 3129929556 | +1 312-992-9556 Illinois U.S.A.
  • 3129929557 | +1 312-992-9557 Illinois U.S.A.
  • 3129929558 | +1 312-992-9558 Illinois U.S.A.
  • 3129929559 | +1 312-992-9559 Illinois U.S.A.
  • 3129929560 | +1 312-992-9560 Illinois U.S.A.
  • 3129929561 | +1 312-992-9561 Illinois U.S.A.
  • 3129929562 | +1 312-992-9562 Illinois U.S.A.
  • 3129929563 | +1 312-992-9563 Illinois U.S.A.
  • 3129929564 | +1 312-992-9564 Illinois U.S.A.
  • 3129929565 | +1 312-992-9565 Illinois U.S.A.
  • 3129929566 | +1 312-992-9566 Illinois U.S.A.
  • 3129929567 | +1 312-992-9567 Illinois U.S.A.
  • 3129929568 | +1 312-992-9568 Illinois U.S.A.
  • 3129929569 | +1 312-992-9569 Illinois U.S.A.
  • 3129929570 | +1 312-992-9570 Illinois U.S.A.
  • 3129929571 | +1 312-992-9571 Illinois U.S.A.
  • 3129929572 | +1 312-992-9572 Illinois U.S.A.
  • 3129929573 | +1 312-992-9573 Illinois U.S.A.
  • 3129929574 | +1 312-992-9574 Illinois U.S.A.
  • 3129929575 | +1 312-992-9575 Illinois U.S.A.
  • 3129929576 | +1 312-992-9576 Illinois U.S.A.
  • 3129929577 | +1 312-992-9577 Illinois U.S.A.
  • 3129929578 | +1 312-992-9578 Illinois U.S.A.
  • 3129929579 | +1 312-992-9579 Illinois U.S.A.
  • 3129929580 | +1 312-992-9580 Illinois U.S.A.
  • 3129929581 | +1 312-992-9581 Illinois U.S.A.
  • 3129929582 | +1 312-992-9582 Illinois U.S.A.
  • 3129929583 | +1 312-992-9583 Illinois U.S.A.
  • 3129929584 | +1 312-992-9584 Illinois U.S.A.
  • 3129929585 | +1 312-992-9585 Illinois U.S.A.
  • 3129929586 | +1 312-992-9586 Illinois U.S.A.
  • 3129929587 | +1 312-992-9587 Illinois U.S.A.
  • 3129929588 | +1 312-992-9588 Illinois U.S.A.
  • 3129929589 | +1 312-992-9589 Illinois U.S.A.
  • 3129929590 | +1 312-992-9590 Illinois U.S.A.
  • 3129929591 | +1 312-992-9591 Illinois U.S.A.
  • 3129929592 | +1 312-992-9592 Illinois U.S.A.
  • 3129929593 | +1 312-992-9593 Illinois U.S.A.
  • 3129929594 | +1 312-992-9594 Illinois U.S.A.
  • 3129929595 | +1 312-992-9595 Illinois U.S.A.
  • 3129929596 | +1 312-992-9596 Illinois U.S.A.
  • 3129929597 | +1 312-992-9597 Illinois U.S.A.
  • 3129929598 | +1 312-992-9598 Illinois U.S.A.
  • 3129929599 | +1 312-992-9599 Illinois U.S.A.