City of Chicago


815 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).

  • 8154288500 | +1 815-428-8500 Illinois U.S.A.
  • 8154288501 | +1 815-428-8501 Illinois U.S.A.
  • 8154288502 | +1 815-428-8502 Illinois U.S.A.
  • 8154288503 | +1 815-428-8503 Illinois U.S.A.
  • 8154288504 | +1 815-428-8504 Illinois U.S.A.
  • 8154288505 | +1 815-428-8505 Illinois U.S.A.
  • 8154288506 | +1 815-428-8506 Illinois U.S.A.
  • 8154288507 | +1 815-428-8507 Illinois U.S.A.
  • 8154288508 | +1 815-428-8508 Illinois U.S.A.
  • 8154288509 | +1 815-428-8509 Illinois U.S.A.
  • 8154288510 | +1 815-428-8510 Illinois U.S.A.
  • 8154288511 | +1 815-428-8511 Illinois U.S.A.
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  • 8154288552 | +1 815-428-8552 Illinois U.S.A.
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  • 8154288555 | +1 815-428-8555 Illinois U.S.A.
  • 8154288556 | +1 815-428-8556 Illinois U.S.A.
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  • 8154288561 | +1 815-428-8561 Illinois U.S.A.
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  • 8154288564 | +1 815-428-8564 Illinois U.S.A.
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  • 8154288566 | +1 815-428-8566 Illinois U.S.A.
  • 8154288567 | +1 815-428-8567 Illinois U.S.A.
  • 8154288568 | +1 815-428-8568 Illinois U.S.A.
  • 8154288569 | +1 815-428-8569 Illinois U.S.A.
  • 8154288570 | +1 815-428-8570 Illinois U.S.A.
  • 8154288571 | +1 815-428-8571 Illinois U.S.A.
  • 8154288572 | +1 815-428-8572 Illinois U.S.A.
  • 8154288573 | +1 815-428-8573 Illinois U.S.A.
  • 8154288574 | +1 815-428-8574 Illinois U.S.A.
  • 8154288575 | +1 815-428-8575 Illinois U.S.A.
  • 8154288576 | +1 815-428-8576 Illinois U.S.A.
  • 8154288577 | +1 815-428-8577 Illinois U.S.A.
  • 8154288578 | +1 815-428-8578 Illinois U.S.A.
  • 8154288579 | +1 815-428-8579 Illinois U.S.A.
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  • 8154288594 | +1 815-428-8594 Illinois U.S.A.
  • 8154288595 | +1 815-428-8595 Illinois U.S.A.
  • 8154288596 | +1 815-428-8596 Illinois U.S.A.
  • 8154288597 | +1 815-428-8597 Illinois U.S.A.
  • 8154288598 | +1 815-428-8598 Illinois U.S.A.
  • 8154288599 | +1 815-428-8599 Illinois U.S.A.