Coverage

34 ZIPs serviced across the Tucson metro, Phoenix, and growing footprints in Cochise and Graham counties.

Service area

FaultLine serves the Tucson metro core with fiber and cable, the Phoenix corridor with fiber, and rural Cochise / Graham counties with DSL plus our fixed-wireless pilot.

FiberCableBusinessDSLFixed Wireless

Map view available in the customer portal.

Serviced ZIP codes

ZIP	Area	Services available
85701	Downtown Tucson	FiberCableBusiness
85705	North Tucson	FiberCableBusiness
85710	East Tucson	CableBusiness
85711	Central East Tucson	FiberCableBusiness
85712	Tucson – Catalina Foothills	FiberCableBusiness
85713	Tucson – South	CableBusiness
85715	Tucson – Tanque Verde	FiberCableBusiness
85716	Tucson – University	FiberCableBusiness
85718	Catalina Foothills	FiberBusiness
85719	Tucson – Sam Hughes	FiberCableBusiness
85730	East Tucson	CableBusiness
85737	Oro Valley	FiberCableBusiness
85741	Oro Valley North	FiberCableBusiness
85742	Marana	FiberCableBusiness
85743	Marana / Avra Valley	FiberCableBusiness
85745	West Tucson	CableBusiness
85746	Tucson – South West	CableDSL
85747	Vail	FiberBusiness
85748	Rita Ranch	FiberCableBusiness
85749	Tanque Verde Valley	CableDSL
85750	Northeast Tucson	FiberBusiness
85756	Corona de Tucson	FiberBusiness
85757	Drexel Heights	CableDSL
85629	Sahuarita	FiberCableBusiness
85614	Green Valley	CableDSL
85003	Phoenix Downtown	FiberBusiness
85016	Phoenix Biltmore	FiberBusiness
85283	Tempe	FiberBusiness
85226	Chandler	FiberBusiness
85308	Glendale	CableBusiness
85602	Benson	DSL
85607	Douglas	DSL
85643	Willcox	DSL
85546	Safford	DSLFixed Wireless

List updated quarterly. New buildouts announced in news and our engineering blog.

Not in our area?

We have an active expansion plan. Share your address and we will let you know when we are close.

Join the waitlist →

Bulk buildouts

Property owners and HOAs can request a private buildout quote.

Talk to BizDev →

Community fiber

$750K grant fund for underserved areas. Apply for the 2025 cohort.