Navajo Tribal Utility Authority | Navajo Tribal Utility Authority
Eligibility
Residents and businesses in the Navajo Nation
Hours
Mon-Fri 7:30am-6pm administration
24-hours emergencies
928-729-5721
Voice·
Main
800-528-5011
Voice·
Toll-Free
Website
https://www.ntua.comApplication process
Call
Fees
Vary
Service area
All ZIP Codes, AZ
All ZIP Codes, AZ
All ZIP Codes, AZ
Provides and maintains utility services in the Navajo Nation including electricity, natural gas, photovoltaic (solar), wastewater, and water.
Last Assured
07/01/2025
Providing organization
Navajo Tribal Utility Authority
Provides and maintains utility services in the Navajo Nation including electricity, natural gas, photovoltaic (solar), wastewater, and water.