Sierra Vista, AZ
Cell Phone Coverage & Plans

Cellular Access In Sierra Vista, AZ

• AT&T has the best cell phone coverage in Sierra Vista.
• Sierra Vista, AZ has an average of 98.34% coverage across the four major carriers.
• Sierra Vista is 49th in Arizona for cell reception ahead of Fort Huachuca, Hereford, Elgin, and Tombstone, but behind Huachuca City.
• Roughly 3.78 square miles of Sierra Vista has limited access to cellular data.
• AT&T is ranked as the fastest provider in Arizona.
• Sierra Vista has 3 cell towers.
• The zip code in Sierra Vista with the best coverage for November 2025 is 85635.

Sierra Vista Cellular Coverage Map

Cell Phone Coverage By ZIP In Sierra Vista

ZIP Code	Verizon	ATT	T-Mobile
85635	100%	100%	100%
85650	98%	100%	94%

Cell Phone Towers In Sierra Vista, Arizona

Licensee	Address	Height	Tower Type
Alltel Communications, LLC	5182 E Buffalo Soldier Trail, Sierra Vista, AZ 85650	60	TOWER
Alltel Communications, LLC	255 NW Kayetan Dr, Sierra Vista, AZ 85635	41.1	TOWER
Verizon Wireless (VAW) LLC	2 N Carroll Dr, Sierra Vista, AZ 85635	0

User Reported Dead Zones In Sierra Vista

Carrier	Address	Comment	Date Added
T-Mobile	Cushing St	Phone states I have 2 bars of 4G, yet constantly receive errors connecting to anything requiring internet connectivity.	2014

Data Provided By DeadCellZones.com

Cell Phone Stores Closest To Sierra Vista, AZ

Carrier	Address	Phone	Directions
AT&T	2290 E Fry Blvd Suite 1b, Sierra Vista, AZ, 85635	520-459-1701	Directions
Verizon	400 N Highway 90, Sierra Vista, AZ, 85635	520-417-1143	Directions
T-Mobile	2200 El Mercado Loop Ste 1130, Sierra Vista, AZ, 85635	520-458-0560	Directions

Cell Phone Coverage In Nearby Cities

• Hereford, AZ
• Elgin, AZ
• Tombstone, AZ
• Bisbee, AZ
• Coronado Ntl Forest, AZ
• Sonoita, AZ
• Saint David, AZ
• Patagonia, AZ
• Eden, AZ
• Rincon, NM