Welcome to NNTU Website
Welcome to NNTU Website

The Two Way Radio Section responsible for assisting with procurement of two way radio equipment, maintaining inventory, apply, renew and modify FCC licenses issued to Navajo Nation Government Offices and providing repair & maintenance services.


After Hours Repair Numbers 


Voice Line:   800-921-8104
DSL:            800-239-4430
Ethernet, PRI or DCS:  888-637-9620
MIPT:          800-716-2425

Latest News

Employee Discount for CellularOne Services

Employee Discount for Verizon Wireless Services

To obtain free conference call for your office.

Energy & Water Conservation

We use energy and water everyday but don't always conserve like we should.

How to Dial 911

How to dial 911 using Navajo Nation landlines.

Dial 9+9+1+1 for Police, Fire, and EMS in case of an


Wireless: Dial 9+1+1 

Close to Home-It Can Wait-AT&T

"Don't Ignore" Call 811

Know what's below CALL before you dig


NNTU Provides access to essential telecommunication and utilities services for the Navajo Nation government offices


  • IP Telephony Implementation

  • Radio Frequency Network

NNTU Forms



For any organization to meet its goals, partnership plays a key role in success. Meet the partners of NNTU.

Verizon Wireless
Verizon Wireless
Business Solutions
Business Solutions
Navajo DIT
Navajo DIT

NNDIT maintains the Navajo Nation network in the Window Rock headquarters. NNTU's will use the network to provide the MIPT service. Along with this, NNTU has provided assistance to NNDIT through infrastructure upgrades to the Wide Area Network (WAN) and Wireless Network in Window Rock.

Frontier Communications
Frontier Communications

NNTU has partnered with Frontier to implement it's MIPT phone services for the Navajo Nation Government office in the Window Rock Arizona Area

Navajo Tribal Utility Authority
Navajo Tribal Utility Authority