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).

  • 3129219500 | +1 312-921-9500 Illinois U.S.A.
  • 3129219501 | +1 312-921-9501 Illinois U.S.A.
  • 3129219502 | +1 312-921-9502 Illinois U.S.A.
  • 3129219503 | +1 312-921-9503 Illinois U.S.A.
  • 3129219504 | +1 312-921-9504 Illinois U.S.A.
  • 3129219505 | +1 312-921-9505 Illinois U.S.A.
  • 3129219506 | +1 312-921-9506 Illinois U.S.A.
  • 3129219507 | +1 312-921-9507 Illinois U.S.A.
  • 3129219508 | +1 312-921-9508 Illinois U.S.A.
  • 3129219509 | +1 312-921-9509 Illinois U.S.A.
  • 3129219510 | +1 312-921-9510 Illinois U.S.A.
  • 3129219511 | +1 312-921-9511 Illinois U.S.A.
  • 3129219512 | +1 312-921-9512 Illinois U.S.A.
  • 3129219513 | +1 312-921-9513 Illinois U.S.A.
  • 3129219514 | +1 312-921-9514 Illinois U.S.A.
  • 3129219515 | +1 312-921-9515 Illinois U.S.A.
  • 3129219516 | +1 312-921-9516 Illinois U.S.A.
  • 3129219517 | +1 312-921-9517 Illinois U.S.A.
  • 3129219518 | +1 312-921-9518 Illinois U.S.A.
  • 3129219519 | +1 312-921-9519 Illinois U.S.A.
  • 3129219520 | +1 312-921-9520 Illinois U.S.A.
  • 3129219521 | +1 312-921-9521 Illinois U.S.A.
  • 3129219522 | +1 312-921-9522 Illinois U.S.A.
  • 3129219523 | +1 312-921-9523 Illinois U.S.A.
  • 3129219524 | +1 312-921-9524 Illinois U.S.A.
  • 3129219525 | +1 312-921-9525 Illinois U.S.A.
  • 3129219526 | +1 312-921-9526 Illinois U.S.A.
  • 3129219527 | +1 312-921-9527 Illinois U.S.A.
  • 3129219528 | +1 312-921-9528 Illinois U.S.A.
  • 3129219529 | +1 312-921-9529 Illinois U.S.A.
  • 3129219530 | +1 312-921-9530 Illinois U.S.A.
  • 3129219531 | +1 312-921-9531 Illinois U.S.A.
  • 3129219532 | +1 312-921-9532 Illinois U.S.A.
  • 3129219533 | +1 312-921-9533 Illinois U.S.A.
  • 3129219534 | +1 312-921-9534 Illinois U.S.A.
  • 3129219535 | +1 312-921-9535 Illinois U.S.A.
  • 3129219536 | +1 312-921-9536 Illinois U.S.A.
  • 3129219537 | +1 312-921-9537 Illinois U.S.A.
  • 3129219538 | +1 312-921-9538 Illinois U.S.A.
  • 3129219539 | +1 312-921-9539 Illinois U.S.A.
  • 3129219540 | +1 312-921-9540 Illinois U.S.A.
  • 3129219541 | +1 312-921-9541 Illinois U.S.A.
  • 3129219542 | +1 312-921-9542 Illinois U.S.A.
  • 3129219543 | +1 312-921-9543 Illinois U.S.A.
  • 3129219544 | +1 312-921-9544 Illinois U.S.A.
  • 3129219545 | +1 312-921-9545 Illinois U.S.A.
  • 3129219546 | +1 312-921-9546 Illinois U.S.A.
  • 3129219547 | +1 312-921-9547 Illinois U.S.A.
  • 3129219548 | +1 312-921-9548 Illinois U.S.A.
  • 3129219549 | +1 312-921-9549 Illinois U.S.A.
  • 3129219550 | +1 312-921-9550 Illinois U.S.A.
  • 3129219551 | +1 312-921-9551 Illinois U.S.A.
  • 3129219552 | +1 312-921-9552 Illinois U.S.A.
  • 3129219553 | +1 312-921-9553 Illinois U.S.A.
  • 3129219554 | +1 312-921-9554 Illinois U.S.A.
  • 3129219555 | +1 312-921-9555 Illinois U.S.A.
  • 3129219556 | +1 312-921-9556 Illinois U.S.A.
  • 3129219557 | +1 312-921-9557 Illinois U.S.A.
  • 3129219558 | +1 312-921-9558 Illinois U.S.A.
  • 3129219559 | +1 312-921-9559 Illinois U.S.A.
  • 3129219560 | +1 312-921-9560 Illinois U.S.A.
  • 3129219561 | +1 312-921-9561 Illinois U.S.A.
  • 3129219562 | +1 312-921-9562 Illinois U.S.A.
  • 3129219563 | +1 312-921-9563 Illinois U.S.A.
  • 3129219564 | +1 312-921-9564 Illinois U.S.A.
  • 3129219565 | +1 312-921-9565 Illinois U.S.A.
  • 3129219566 | +1 312-921-9566 Illinois U.S.A.
  • 3129219567 | +1 312-921-9567 Illinois U.S.A.
  • 3129219568 | +1 312-921-9568 Illinois U.S.A.
  • 3129219569 | +1 312-921-9569 Illinois U.S.A.
  • 3129219570 | +1 312-921-9570 Illinois U.S.A.
  • 3129219571 | +1 312-921-9571 Illinois U.S.A.
  • 3129219572 | +1 312-921-9572 Illinois U.S.A.
  • 3129219573 | +1 312-921-9573 Illinois U.S.A.
  • 3129219574 | +1 312-921-9574 Illinois U.S.A.
  • 3129219575 | +1 312-921-9575 Illinois U.S.A.
  • 3129219576 | +1 312-921-9576 Illinois U.S.A.
  • 3129219577 | +1 312-921-9577 Illinois U.S.A.
  • 3129219578 | +1 312-921-9578 Illinois U.S.A.
  • 3129219579 | +1 312-921-9579 Illinois U.S.A.
  • 3129219580 | +1 312-921-9580 Illinois U.S.A.
  • 3129219581 | +1 312-921-9581 Illinois U.S.A.
  • 3129219582 | +1 312-921-9582 Illinois U.S.A.
  • 3129219583 | +1 312-921-9583 Illinois U.S.A.
  • 3129219584 | +1 312-921-9584 Illinois U.S.A.
  • 3129219585 | +1 312-921-9585 Illinois U.S.A.
  • 3129219586 | +1 312-921-9586 Illinois U.S.A.
  • 3129219587 | +1 312-921-9587 Illinois U.S.A.
  • 3129219588 | +1 312-921-9588 Illinois U.S.A.
  • 3129219589 | +1 312-921-9589 Illinois U.S.A.
  • 3129219590 | +1 312-921-9590 Illinois U.S.A.
  • 3129219591 | +1 312-921-9591 Illinois U.S.A.
  • 3129219592 | +1 312-921-9592 Illinois U.S.A.
  • 3129219593 | +1 312-921-9593 Illinois U.S.A.
  • 3129219594 | +1 312-921-9594 Illinois U.S.A.
  • 3129219595 | +1 312-921-9595 Illinois U.S.A.
  • 3129219596 | +1 312-921-9596 Illinois U.S.A.
  • 3129219597 | +1 312-921-9597 Illinois U.S.A.
  • 3129219598 | +1 312-921-9598 Illinois U.S.A.
  • 3129219599 | +1 312-921-9599 Illinois U.S.A.