Below are answers to many questions you may have with your Guam cell phone service. If your question is not listed, please contact our customer support team by email at ask@GTA.net or by phone at (671) 644 - 4GTA (4482).

Frequently Asked Questions (LTE)

  • If I have my own wireless mobile phones, will it work on GTA network?

    It will work on GTA network if it is a GSM phone that supports at least one of these frequencies: 850/900/1900/2100 MHz.

  • What is HSPA+?

    GTA upgraded the software of its mobile broadband network to HSPA+. HSPA stands for "High Speed Packet Access" and provides extended and improved network speeds. When HSPA+ is combined with enhanced backhaul, GTA already fast mobile broadband network delivers even faster 4G speeds.

  • How can I determine the best data plan for me?

    If you plan on using data for emailing, surfing the web or social networking applications, 1GB or 2GB of data will more than likely be enough - especially if you take advantage of free hotspots and Wi-Fi in your home or office.

    For bandwidth intensive activities like streaming music, video, or other data intensive apps, we offer an Unlimited data option.

    A simple way to estimate your usage, and select a plan that best fits your needs, is to use our Data Usage Calculator and review our available plans.

  • How do I set up my voicemail?

    The first time you use your voicemail with your mobile phone, an automated attendant tutorial will assist you to set up your password, record your name and personal greeting. Once these are all set up, you can access your voicemail features.

  • Can I check and access my voicemail from any telephone?

    Yes, you can access your messages from another wireless or landline phone by following these steps:

    • Dial your wireless mobile number
    • When you hear your greeting, press the star key (*) and enter your voicemail password
  • Does my phones support text messaging?

    All GTA Wireless phones support text messaging. If you are having difficulties with sending or receiving text messages, our Handset Technicians are available at our Tumon location.

  • Will I be able to keep my wireless number if I move off-island?

    Unfortunately, you are not able to keep your number if you move off-island. The Local Number Portability Law applies only to keeping a phone number when switching providers in the same coverage area.

  • Will I be charged for number portability?

    Yes. The Federal Communications Commission (FCC) allows carriers to charge general fees to their customers to recover their system costs of providing wireless LNP. Carriers may include line item fees for LNP on their customers' monthly bills, or add the cost into the customer's monthly rate.

  • What do I need to do if I want to port my mobile number to GTA?

    Visit any of our GTA locations and provide a copy of your most recent wireless bill. A Customer Service Representative will then begin the porting process by sending a port request to your old carrier. Do not terminate service with your old carrier. If you do, you may lose your number altogether.

  • How long will it take to port my mobile number?

    In general, it will take between 24-72 hours to port a number.

  • Do I need a special phone to call international numbers from the US?

    No. All you need to do is dial "+" followed by the Country Code, Area or City Code, and Telephone Number.

  • Can I receive international calls while Roaming? How much does it cost?

    Yes. Incoming international calls cost the same as any other incoming roaming call.

  • What is the "+" key and how do I use it?

    When you use the "+" key on your GTA phone, you don't have to know the international access code of the country you are calling from. That makes international long distance with even easier than from your home phone. Different manufacturers have specific ways to access the "+" key, so make sure you know yours.

  • What is data roaming?

    Data roaming is the ability to access data services such as receiving email and web browsing on your handset while traveling abroad.

  • Will I need to purchase a SIM card from one of the carriers in the US?


  • Do I need to do anything different when creating an email message or responding to an email message?

    Access to email and other data services are identical to how you access on Guam.

  • Do phones purchased at GTA come with a warranty?

    All phones except our Refurbished / Certified Pre-Owned Smartphones come with a warranty. Please see the table below for details.

    Device 2YR Contract 1YR Contract Prepaid / Outright
    *Brand New iPhone 1YR Limited Warranty 1YR Limited Warranty 1YR Limited Warranty
    *Brand New non-iPhone device 1YR Limited Warranty 1YR Limited Warranty 30-Day Limited Warranty
    Certified Pre-Owned Smartphone N/A N/A All Sales Final
    Refurbished Smartphone (Trade-in Program) N/A N/A All Sales Final
    Feature Phone 1YR Limited Warranty 1YR Limited Warranty 30-Day Limited Warranty
    *iPads 1YR Limited Warranty 1YR Limited Warranty 1YR Limited Warranty

    *HPO handset warranty falls under 2-Year Contract

  • Does GTA carry HAC phones?

    Yes, GTA has a selection of HAC phones.

  • Is Saipan considered Domestic?

    No, Saipan is not Domestic and is considered International.

  • What time does the Unlimited Nights Start?

    Unlimited Nights start at 7pm and end 6:59AM

  • Will I be able to get my iPhone unlocked?

    You may request to unlock your iPhone if any of the following conditions are met;

    1. You have completed your 2 Year Contract and your account is in good standing or
    2. You are relocating permanently and provide Military PCS orders. Your account must be in good standing and a Subsidy Fee must be paid.

Bonus Data FAQs

  • What is Bonus Data, and How does it work?

    If you have a 25 mbps Internet plan or higher and an eligible Individual Wireless Plan on the same GTA account, you will automatically receive 10GB of bonus data each month for 24 months. The bonus data is added to the base monthly data allowance and is used before your base monthly allowance.

    You will receive your Wireless Bundle Bonus every 1st of the month around 8AM.

    Eligible Wireless Postpaid Plans:

    Wireless Postpaid Plan Data Allowance With Bonus Data
    $50 5GB 15GB
    $70 15GB 25GB
    $80 25GB 35GB
    $90 35GB 45GB
    $65* 8GB 18GB
    $75* 20GB 30GB

    Note: $65 and $75 plans are legacy plans and no longer available to new sign-ups

  • Who's eligible for bonus data?

    All eligible wireless plans under the same account will each get 10GB of bonus data every month for 24 months.

  • Does bonus data carry over to the next month?

    If you're on an eligible individual wireless plan and have bonus data remaining at the end of your bill cycle, it will not carry over to the next month as Carryover data. Your Wireless Bundle Bonus will reset every first of the month.

  • Will I receive a usage alert when I receive my bonus data?

    Every 1st of the month, you will receive a text alert that GTA has added 10GB to your data bucket. Your data usage will start to pull from your 10GB as soon as you receive the text notification.

  • How will I know when I've consumed my Wireless Bundle Bonus?

    Once you have consumed your Wireless Bundle Bonus, you will receive a text notification letting you know that you have consumed your free 10GB data bucket. After you consume your Wireless Bundle Bonus, your data usage will start to pull from your postpaid plan's data bucket.

  • How long does bonus data last?

    Your 10GB bonus data will stop after 24 months from the time your postpaid plan qualified for the promo or when your account does not meet the requirements.