Boost 9934 Sierra Ave - 9934 Sierra Ave

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Boost 9934 Sierra Ave - 9934 Sierra Ave

Open - 10:00 am - 8:00 pm
4.9 ★
More details
Open

Mon: 10:00 am - 8:00 pm

Tues: 10:00 am - 8:00 pm

Wed: 10:00 am - 8:00 pm

Thurs: 10:00 am - 8:00 pm

Fri: 10:00 am - 8:00 pm

Sat: 10:00 am - 8:00 pm

Sun: 10:00 am - 5:00 pm

9934 Sierra Ave Fontana, CA 92335
    • Full Service
    • Buy Now, Pay Later Available Here!
    • Exclusive Offers
    • Buy & Activate a Phone
    • No Contract Phones
    • Pay Your Bill
    • Bring Your Own Phone
    • OmniMoney Cash Deposits Accepted

    $25 Unlimited Data. Forever.
    No price hikes. No contracts. No Credit Checks.

    12 Days of Boostmas
    Enter for a chance to win prizes daily — including a Grand Prize Trip to Jingle Ball in Miami.
    Enter to Win More Info
    Grand Prize Trip to Miami Samsung Galaxy S25 Google Pixel 10 Pro
    ...AND MORE!

    FLASH OFFERS
    at Boost 9934 Sierra Ave

    PHONE DEALS
    Find the best phone deals at your local Boost Mobile Store
    $25 UNLIMITED
    Unlimited Data Plans Start at $25 Month Forever!
    GET DIRECTIONS
    Get Directions to our store and get connected today
    CALL
    Call to get connected with a Boost Retail Advocate today!

    BIG DEALS, BIG SAVINGS
    at Boost 9934 Sierra Ave

    UNLIMITED DATA STARTING AT $25/MO
    at Boost 9934 Sierra Ave


    Unlimited

    $25 Forever

    ✓         Unlimited Talk, Text & Data

    ✓ 99% Nationwide Coverage

    ✓ 30 Day Guarantee

    ✓ Monthly Price That Never Changes

     


    Unlimited +

    $50/mo.

    ✓         Unlimited Talk, Text & Data

    ✓ No Contract Required

    ✓ Hotspot

    ✓ Global Talk & Text
    ✓ Buy Now, Play Later Available
    ✓ 40GB of Premium Data

     


    Unlimited Premium

    $60/mo.

    ✓         Unlimited Talk, Text & Data

    ✓ No Contract Required

    ✓ Hotspot

    ✓ Global Talk & Text
    ✓ North America Connect
    ✓ Buy Now, Play Later Available
    ✓ 50GB of Premium Data

    IN-STORE SERVICES
    at Boost 9934 Sierra Ave

    Welcome to the Boost Mobile Store at 9934 Sierra Ave, Fontana, CA 92335 — your local destination for affordable prepaid phone plans, the latest 5G smartphones, and exclusive wireless deals from top brands like Apple, Samsung, and Motorola on America's Largest Network with 99% Nationwide Coverage.

    At Boost 9934 Sierra Ave, we make it easy to stay connected with no-contract phone plans, unlimited talk, text, and data options, and fast 5G coverage you can count on. Visit us for quick, friendly service — whether you’re activating a new line, upgrading your phone, paying your bill, or bringing your own device. Stop by or call +19094527646 today to discover why Boost Mobile is the smart choice for wireless savings in Fontana.

    STORE REVIEWS
    at Boost 9934 Sierra Ave

    Leave a review Google
    salvador Medrano
    Dec. 13, 2025, 6:38 p.m.
    This store is always so clean and the lady there is such a wonderful girl blonde girl View on Google
    Linda Dockery
    Dec. 12, 2025, 11:29 p.m.
    The best store in the IE View on Google
    Crystal Mokhtar
    Dec. 9, 2025, 4:18 a.m.
    The late night rep surpassed my expectations. I came in last minute because my phone number was stolen and I had no service . Rep was very sympathetic and understanding . Was able to assist me quickly and promptly. I was back on my way within 15 minutes . Thank you so much for your professional service ! Highly recommend this location for any of your phone service needs ! View on Google
    Tono GOMEZ
    Dec. 6, 2025, 10:24 p.m.
    (Translated by Google) My favorite store to buy my phones, I'll always come here. (Original) Mi mejor tienda para comprar mis teléfonos aquí vendré siempre View on Google
    Carlos Lima
    Dec. 5, 2025, 9:10 p.m.
    Anthony gave me exeptional service really recoomnd this store View on Google

    LOCATIONS NEAR
    Boost 9934 Sierra Ave

    Boost Mobile Preferred Retailer
    Boost 16133 Foothill Blvd
    2.4 miles away
    4.9
    View In-Store Offers
    Boost Mobile Preferred Retailer
    Boost 261 W Foothill Blvd
    4.2 miles away
    4.7
    View In-Store Offers
    Boost Mobile Preferred Retailer
    Boost 134 W Base Line Rd
    5.0 miles away
    View In-Store Offers

    FREQUENTLY ASKED QUESTIONS
    Boost 9934 Sierra Ave

    Plans range from $25 to $60, with plan features available to meet the individual needs of our customers. Visit boostmobile.com/plans or your local Boost Mobile store for details on all current plans and offers.

    Your monthly bill can be paid in store, in the Boost Mobile app, or by calling Customer Care at (833) 502-6678. or In addition, we can set up AutoPay in store or on boostmobile.com.

     We can help you check your billing date in store or you can view your bill's due date in the Boost Mobile app.

    You can update AutoPay via boostmobile.com or the Boost Mobile app.  Step-by-step instructions can be found HERE.

    Yes! Boost Mobile does provide device financing options. Please visit a Pay Later-enabled store or boostmobile.com for more details and to see if you qualify!

    We'd be more than happy to answer any billing questions you have by visiting a store or calling Boost Customer Care at (833) 502-6678.

    The best way to see if the store carries a specific device is to call the store directly. If the store is enabled for Pay Later Device Financing, qualified customers can order a device via that process and have it shipped to their home address.

    Boost offers a 30-Day Worry-Free Guarantee. For full return policy details, please visit our Return Policy.

    You can check your upgrade eligibility and process an upgrade by tapping View Details → Shop Phones in the Boost Mobile app. You can also visit any Boost Mobile store for all upgrade eligibility and promotional details.

    We can help you switch to a new device on an existing line by visiting a store or calling Boost Customer Care at (833) 502-6678.

    Boost Mobile has flexible options and plans in approved countries. For more details on these options, please visit our Global Roaming support page.  Approved countries for Global Roaming can be found here.

    Boost has flexible options and plans for Global Talk & Text to approved countries. For more details on these options, please visit our Global Talk & Text support page.

    We can help you change to a new number on an existing line by visiting a store or calling Boost Customer Care at (833) 502-6678.

    Text messages include a link that you can follow for more details on offer eligibility. Email offers will highlight offer details, however you can visit help.boostmobile.com for more information.

    You can file a claim by visiting https://myphoneguardian.com/boostmobile/ or by calling (844) 834-5583. Claims should be filed by the primary account holder. All details of what is covered can be found in our Boost Protect support page.

    Please visit our Troubleshooting support page to answer commonly asked device and network support questions. If you need more help, please visit a local store or call Boost Customer Care at (833) 502-6678.