Mad Mountain Wireless-Lakeport

09/07/2026

From all of us at Mad Mountain AT&T, we hope everyone has a safe & enjoyable Labor Day!

07/15/2026

Open enrollment for Devices Protection is here!!! Did you forget to add Protection? We’ve got you!

Located in the Grocery Outlet shopping center in Lakeport. 707-900-5075

07/10/2026

Come join the Mad Mountain Team! Bring your resume, we can’t wait to meet you!

07/03/2026

Happy 250th, America!

07/03/2026

Attention Teachers! Bring your number to AT&T and receive $150 in port-in credits!

Come in today! We have the best service, best promos & pricing and the BEST customer service!
We’re located in the Grocery Outlet Shopping Center in Lakeport!

707-900-5075

07/02/2026

$15 per month per line on a new Business account! Keep your numbers and keep your existing devices! Save $$$ and get the best service possible!

Sole Prop welcome! Side gig business? That counts, too!

Call or come in today! Let us help you move to AT&T!

We’re located in the Grocery Outlet Shopping Center. 700-900-5075

06/04/2026

AT&T Internet Air! Call or come in today, let us help you find the best Internet solution for YOU!

1265 South Main St, Lakeport. 707-900-5075

05/25/2026

05/07/2026

Come join the Mad Mountain Wireless/AT&T team at our Lakeport location!

Do you have sales and customer service experience?

Are you self-motivated, energetic and love to have fun while helping customers?

Do you have that work ethic and “Spark” we’re looking for?

Bilingual? That’s a PLUS!

Bring your resume to 1265 South Main St in Lakeport! We’re located in the Grocery Outlet Shopping Center and we’re open 7 days a week!

We look forward to meeting you!