Harassing Obscene Phone Calls 

If you receive harassing or threatening phone calls, notify your immediate supervisor and report the incident to the local law enforcement agency.


1-800-236-5688 Frontier Nuisance Call Bureau

Main Office bldg #2528

Phone: 928-871-7740

Fax:     928-871-7741

Contact Information:
PO Box 2928
Morgan Blvd. Bldg. #2528/7447
Window Rock, Arizona 86515
Radio Shop bldg #7447

Phone:   928-871-7743

Fax:       928-871-7742

© 2019 by NNTU