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).

  • 3128399500 | +1 312-839-9500 Illinois U.S.A.
  • 3128399501 | +1 312-839-9501 Illinois U.S.A.
  • 3128399502 | +1 312-839-9502 Illinois U.S.A.
  • 3128399503 | +1 312-839-9503 Illinois U.S.A.
  • 3128399504 | +1 312-839-9504 Illinois U.S.A.
  • 3128399505 | +1 312-839-9505 Illinois U.S.A.
  • 3128399506 | +1 312-839-9506 Illinois U.S.A.
  • 3128399507 | +1 312-839-9507 Illinois U.S.A.
  • 3128399508 | +1 312-839-9508 Illinois U.S.A.
  • 3128399509 | +1 312-839-9509 Illinois U.S.A.
  • 3128399510 | +1 312-839-9510 Illinois U.S.A.
  • 3128399511 | +1 312-839-9511 Illinois U.S.A.
  • 3128399512 | +1 312-839-9512 Illinois U.S.A.
  • 3128399513 | +1 312-839-9513 Illinois U.S.A.
  • 3128399514 | +1 312-839-9514 Illinois U.S.A.
  • 3128399515 | +1 312-839-9515 Illinois U.S.A.
  • 3128399516 | +1 312-839-9516 Illinois U.S.A.
  • 3128399517 | +1 312-839-9517 Illinois U.S.A.
  • 3128399518 | +1 312-839-9518 Illinois U.S.A.
  • 3128399519 | +1 312-839-9519 Illinois U.S.A.
  • 3128399520 | +1 312-839-9520 Illinois U.S.A.
  • 3128399521 | +1 312-839-9521 Illinois U.S.A.
  • 3128399522 | +1 312-839-9522 Illinois U.S.A.
  • 3128399523 | +1 312-839-9523 Illinois U.S.A.
  • 3128399524 | +1 312-839-9524 Illinois U.S.A.
  • 3128399525 | +1 312-839-9525 Illinois U.S.A.
  • 3128399526 | +1 312-839-9526 Illinois U.S.A.
  • 3128399527 | +1 312-839-9527 Illinois U.S.A.
  • 3128399528 | +1 312-839-9528 Illinois U.S.A.
  • 3128399529 | +1 312-839-9529 Illinois U.S.A.
  • 3128399530 | +1 312-839-9530 Illinois U.S.A.
  • 3128399531 | +1 312-839-9531 Illinois U.S.A.
  • 3128399532 | +1 312-839-9532 Illinois U.S.A.
  • 3128399533 | +1 312-839-9533 Illinois U.S.A.
  • 3128399534 | +1 312-839-9534 Illinois U.S.A.
  • 3128399535 | +1 312-839-9535 Illinois U.S.A.
  • 3128399536 | +1 312-839-9536 Illinois U.S.A.
  • 3128399537 | +1 312-839-9537 Illinois U.S.A.
  • 3128399538 | +1 312-839-9538 Illinois U.S.A.
  • 3128399539 | +1 312-839-9539 Illinois U.S.A.
  • 3128399540 | +1 312-839-9540 Illinois U.S.A.
  • 3128399541 | +1 312-839-9541 Illinois U.S.A.
  • 3128399542 | +1 312-839-9542 Illinois U.S.A.
  • 3128399543 | +1 312-839-9543 Illinois U.S.A.
  • 3128399544 | +1 312-839-9544 Illinois U.S.A.
  • 3128399545 | +1 312-839-9545 Illinois U.S.A.
  • 3128399546 | +1 312-839-9546 Illinois U.S.A.
  • 3128399547 | +1 312-839-9547 Illinois U.S.A.
  • 3128399548 | +1 312-839-9548 Illinois U.S.A.
  • 3128399549 | +1 312-839-9549 Illinois U.S.A.
  • 3128399550 | +1 312-839-9550 Illinois U.S.A.
  • 3128399551 | +1 312-839-9551 Illinois U.S.A.
  • 3128399552 | +1 312-839-9552 Illinois U.S.A.
  • 3128399553 | +1 312-839-9553 Illinois U.S.A.
  • 3128399554 | +1 312-839-9554 Illinois U.S.A.
  • 3128399555 | +1 312-839-9555 Illinois U.S.A.
  • 3128399556 | +1 312-839-9556 Illinois U.S.A.
  • 3128399557 | +1 312-839-9557 Illinois U.S.A.
  • 3128399558 | +1 312-839-9558 Illinois U.S.A.
  • 3128399559 | +1 312-839-9559 Illinois U.S.A.
  • 3128399560 | +1 312-839-9560 Illinois U.S.A.
  • 3128399561 | +1 312-839-9561 Illinois U.S.A.
  • 3128399562 | +1 312-839-9562 Illinois U.S.A.
  • 3128399563 | +1 312-839-9563 Illinois U.S.A.
  • 3128399564 | +1 312-839-9564 Illinois U.S.A.
  • 3128399565 | +1 312-839-9565 Illinois U.S.A.
  • 3128399566 | +1 312-839-9566 Illinois U.S.A.
  • 3128399567 | +1 312-839-9567 Illinois U.S.A.
  • 3128399568 | +1 312-839-9568 Illinois U.S.A.
  • 3128399569 | +1 312-839-9569 Illinois U.S.A.
  • 3128399570 | +1 312-839-9570 Illinois U.S.A.
  • 3128399571 | +1 312-839-9571 Illinois U.S.A.
  • 3128399572 | +1 312-839-9572 Illinois U.S.A.
  • 3128399573 | +1 312-839-9573 Illinois U.S.A.
  • 3128399574 | +1 312-839-9574 Illinois U.S.A.
  • 3128399575 | +1 312-839-9575 Illinois U.S.A.
  • 3128399576 | +1 312-839-9576 Illinois U.S.A.
  • 3128399577 | +1 312-839-9577 Illinois U.S.A.
  • 3128399578 | +1 312-839-9578 Illinois U.S.A.
  • 3128399579 | +1 312-839-9579 Illinois U.S.A.
  • 3128399580 | +1 312-839-9580 Illinois U.S.A.
  • 3128399581 | +1 312-839-9581 Illinois U.S.A.
  • 3128399582 | +1 312-839-9582 Illinois U.S.A.
  • 3128399583 | +1 312-839-9583 Illinois U.S.A.
  • 3128399584 | +1 312-839-9584 Illinois U.S.A.
  • 3128399585 | +1 312-839-9585 Illinois U.S.A.
  • 3128399586 | +1 312-839-9586 Illinois U.S.A.
  • 3128399587 | +1 312-839-9587 Illinois U.S.A.
  • 3128399588 | +1 312-839-9588 Illinois U.S.A.
  • 3128399589 | +1 312-839-9589 Illinois U.S.A.
  • 3128399590 | +1 312-839-9590 Illinois U.S.A.
  • 3128399591 | +1 312-839-9591 Illinois U.S.A.
  • 3128399592 | +1 312-839-9592 Illinois U.S.A.
  • 3128399593 | +1 312-839-9593 Illinois U.S.A.
  • 3128399594 | +1 312-839-9594 Illinois U.S.A.
  • 3128399595 | +1 312-839-9595 Illinois U.S.A.
  • 3128399596 | +1 312-839-9596 Illinois U.S.A.
  • 3128399597 | +1 312-839-9597 Illinois U.S.A.
  • 3128399598 | +1 312-839-9598 Illinois U.S.A.
  • 3128399599 | +1 312-839-9599 Illinois U.S.A.