Mad Mountain Wireless-Lakeport

Mad Mountain Wireless-Lakeport Mad Mountain Wireless is your local AT&T Retailer in Lakeport! Our number one priority id excellence!

09/22/2026

Wow❤️ Thank you for the ShoutOut! I grew up in Potter Valley! Lake and Mendocino Counties are “Home” to me❤️

Today’s the Day! Hurry down to ANY Mad Mountain Wireless to get your NEW iPhone 18 ProMax or iPhone 18 Pro today! Up t...
09/18/2026

Today’s the Day! Hurry down to ANY Mad Mountain Wireless to get your NEW iPhone 18 ProMax or iPhone 18 Pro today! Up to $1200 off with trade-in!
VERY limited supply in stock, we’ve got yours! We’re all excited to see you!

Today’s the Day!!! Stop by ANY Mad Mountain to preorder YOUR new iPhone 18 pro or ProMax! We’re excited to see you!
09/12/2026

Today’s the Day!!! Stop by ANY Mad Mountain to preorder YOUR new iPhone 18 pro or ProMax! We’re excited to see you!

We remember. We honor. We will never forget! From all of us at Mad Mountain Wireless, thank you to all our first respond...
09/11/2026

We remember. We honor. We will never forget! From all of us at Mad Mountain Wireless, thank you to all our first responders! 

You know you want one! Preorders for the NEW iPhone 18 pro and 18 ProMax start Saturday, Sept 12th! Don’t wait for the...
09/10/2026

You know you want one! Preorders for the NEW iPhone 18 pro and 18 ProMax start Saturday, Sept 12th! Don’t wait for the launch day, the stores get very little initial inventory, we will sell out the very 1st day!
Come into ANY Mad Mountain AT&T to order yours!!!

From all of us at Mad Mountain AT&T, we hope everyone has a safe & enjoyable Labor Day!
09/07/2026

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

Open enrollment for Devices Protection is here!!! Did you forget to add Protection? We’ve got you! Located in the Gro...
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

Come join the Mad Mountain Team! Bring your resume, we can’t wait to meet you!
07/10/2026

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

Happy 250th, America!
07/03/2026

Happy 250th, America!

Attention Teachers! Bring your number to AT&T and receive $150 in port-in credits! Come in today! We have the best ser...
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

Address

1265 South Main Street
Lakeport, CA
95453

Opening Hours

Monday 9am - 7pm
Tuesday 9am - 7pm
Wednesday 9am - 7pm
Thursday 9am - 7pm
Friday 9am - 7pm
Saturday 9am - 7pm
Sunday 10am - 6pm

Telephone

+17079005075

Website

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