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).

  • 3129478500 | +1 312-947-8500 Illinois U.S.A.
  • 3129478501 | +1 312-947-8501 Illinois U.S.A.
  • 3129478502 | +1 312-947-8502 Illinois U.S.A.
  • 3129478503 | +1 312-947-8503 Illinois U.S.A.
  • 3129478504 | +1 312-947-8504 Illinois U.S.A.
  • 3129478505 | +1 312-947-8505 Illinois U.S.A.
  • 3129478506 | +1 312-947-8506 Illinois U.S.A.
  • 3129478507 | +1 312-947-8507 Illinois U.S.A.
  • 3129478508 | +1 312-947-8508 Illinois U.S.A.
  • 3129478509 | +1 312-947-8509 Illinois U.S.A.
  • 3129478510 | +1 312-947-8510 Illinois U.S.A.
  • 3129478511 | +1 312-947-8511 Illinois U.S.A.
  • 3129478512 | +1 312-947-8512 Illinois U.S.A.
  • 3129478513 | +1 312-947-8513 Illinois U.S.A.
  • 3129478514 | +1 312-947-8514 Illinois U.S.A.
  • 3129478515 | +1 312-947-8515 Illinois U.S.A.
  • 3129478516 | +1 312-947-8516 Illinois U.S.A.
  • 3129478517 | +1 312-947-8517 Illinois U.S.A.
  • 3129478518 | +1 312-947-8518 Illinois U.S.A.
  • 3129478519 | +1 312-947-8519 Illinois U.S.A.
  • 3129478520 | +1 312-947-8520 Illinois U.S.A.
  • 3129478521 | +1 312-947-8521 Illinois U.S.A.
  • 3129478522 | +1 312-947-8522 Illinois U.S.A.
  • 3129478523 | +1 312-947-8523 Illinois U.S.A.
  • 3129478524 | +1 312-947-8524 Illinois U.S.A.
  • 3129478525 | +1 312-947-8525 Illinois U.S.A.
  • 3129478526 | +1 312-947-8526 Illinois U.S.A.
  • 3129478527 | +1 312-947-8527 Illinois U.S.A.
  • 3129478528 | +1 312-947-8528 Illinois U.S.A.
  • 3129478529 | +1 312-947-8529 Illinois U.S.A.
  • 3129478530 | +1 312-947-8530 Illinois U.S.A.
  • 3129478531 | +1 312-947-8531 Illinois U.S.A.
  • 3129478532 | +1 312-947-8532 Illinois U.S.A.
  • 3129478533 | +1 312-947-8533 Illinois U.S.A.
  • 3129478534 | +1 312-947-8534 Illinois U.S.A.
  • 3129478535 | +1 312-947-8535 Illinois U.S.A.
  • 3129478536 | +1 312-947-8536 Illinois U.S.A.
  • 3129478537 | +1 312-947-8537 Illinois U.S.A.
  • 3129478538 | +1 312-947-8538 Illinois U.S.A.
  • 3129478539 | +1 312-947-8539 Illinois U.S.A.
  • 3129478540 | +1 312-947-8540 Illinois U.S.A.
  • 3129478541 | +1 312-947-8541 Illinois U.S.A.
  • 3129478542 | +1 312-947-8542 Illinois U.S.A.
  • 3129478543 | +1 312-947-8543 Illinois U.S.A.
  • 3129478544 | +1 312-947-8544 Illinois U.S.A.
  • 3129478545 | +1 312-947-8545 Illinois U.S.A.
  • 3129478546 | +1 312-947-8546 Illinois U.S.A.
  • 3129478547 | +1 312-947-8547 Illinois U.S.A.
  • 3129478548 | +1 312-947-8548 Illinois U.S.A.
  • 3129478549 | +1 312-947-8549 Illinois U.S.A.
  • 3129478550 | +1 312-947-8550 Illinois U.S.A.
  • 3129478551 | +1 312-947-8551 Illinois U.S.A.
  • 3129478552 | +1 312-947-8552 Illinois U.S.A.
  • 3129478553 | +1 312-947-8553 Illinois U.S.A.
  • 3129478554 | +1 312-947-8554 Illinois U.S.A.
  • 3129478555 | +1 312-947-8555 Illinois U.S.A.
  • 3129478556 | +1 312-947-8556 Illinois U.S.A.
  • 3129478557 | +1 312-947-8557 Illinois U.S.A.
  • 3129478558 | +1 312-947-8558 Illinois U.S.A.
  • 3129478559 | +1 312-947-8559 Illinois U.S.A.
  • 3129478560 | +1 312-947-8560 Illinois U.S.A.
  • 3129478561 | +1 312-947-8561 Illinois U.S.A.
  • 3129478562 | +1 312-947-8562 Illinois U.S.A.
  • 3129478563 | +1 312-947-8563 Illinois U.S.A.
  • 3129478564 | +1 312-947-8564 Illinois U.S.A.
  • 3129478565 | +1 312-947-8565 Illinois U.S.A.
  • 3129478566 | +1 312-947-8566 Illinois U.S.A.
  • 3129478567 | +1 312-947-8567 Illinois U.S.A.
  • 3129478568 | +1 312-947-8568 Illinois U.S.A.
  • 3129478569 | +1 312-947-8569 Illinois U.S.A.
  • 3129478570 | +1 312-947-8570 Illinois U.S.A.
  • 3129478571 | +1 312-947-8571 Illinois U.S.A.
  • 3129478572 | +1 312-947-8572 Illinois U.S.A.
  • 3129478573 | +1 312-947-8573 Illinois U.S.A.
  • 3129478574 | +1 312-947-8574 Illinois U.S.A.
  • 3129478575 | +1 312-947-8575 Illinois U.S.A.
  • 3129478576 | +1 312-947-8576 Illinois U.S.A.
  • 3129478577 | +1 312-947-8577 Illinois U.S.A.
  • 3129478578 | +1 312-947-8578 Illinois U.S.A.
  • 3129478579 | +1 312-947-8579 Illinois U.S.A.
  • 3129478580 | +1 312-947-8580 Illinois U.S.A.
  • 3129478581 | +1 312-947-8581 Illinois U.S.A.
  • 3129478582 | +1 312-947-8582 Illinois U.S.A.
  • 3129478583 | +1 312-947-8583 Illinois U.S.A.
  • 3129478584 | +1 312-947-8584 Illinois U.S.A.
  • 3129478585 | +1 312-947-8585 Illinois U.S.A.
  • 3129478586 | +1 312-947-8586 Illinois U.S.A.
  • 3129478587 | +1 312-947-8587 Illinois U.S.A.
  • 3129478588 | +1 312-947-8588 Illinois U.S.A.
  • 3129478589 | +1 312-947-8589 Illinois U.S.A.
  • 3129478590 | +1 312-947-8590 Illinois U.S.A.
  • 3129478591 | +1 312-947-8591 Illinois U.S.A.
  • 3129478592 | +1 312-947-8592 Illinois U.S.A.
  • 3129478593 | +1 312-947-8593 Illinois U.S.A.
  • 3129478594 | +1 312-947-8594 Illinois U.S.A.
  • 3129478595 | +1 312-947-8595 Illinois U.S.A.
  • 3129478596 | +1 312-947-8596 Illinois U.S.A.
  • 3129478597 | +1 312-947-8597 Illinois U.S.A.
  • 3129478598 | +1 312-947-8598 Illinois U.S.A.
  • 3129478599 | +1 312-947-8599 Illinois U.S.A.