mrsimcard- AT&T Puerto Rico

AT&T Prepaid SIM CARDS (with 4G LTE Data).

 Pick Date

Add a Sim Tray Removal tool $3.29 

Add 250 Minutes International $12.00 

Period Talk Text Unlimited Data Intnl Cost
15dy UNL USA USA + 100 Countries 1 GB @ 4G LTE Extra $35
15dy UNL US/CA/MX USA + 100 Countries 6 GB @ 4G LTE + Hotspot Extra $45
30dy UNL US/CA/MX USA + 100 Countries 6 GB @ 4G LTE + Hotspot Extra $50
15dy UNL US/CA/MX USA + 100 Countries Unlimited 4G LTE Extra $65
30dy UNL US/CA/MX USA + 100 Countries Unlimited 4G LTE Extra $70
60dy UNL US/CA/MX USA + 100 Countries 6 GB @ 4G LTE + Hotspot Extra $110
60dy UNL US/CA/MX USA + 100 Countries Unlimited 4G LTE x2 Extra $160

AT&T Prepaid 4G LTE Sim Card

If you need / want the best sim available- This is it!

The AT&T Prepaid "High Speed Sim" includes Unlimited USA Talk, Unlimited USA / International Text messages to 100 countries, Unlimited 4G LTE Data or Unlimited Data with the first 1 Gig or 6 Gigs of Blazing Fast 4G LTE data (subject to phone capability). The Unlimited plan has a soft cap of 22GB.

These plans will work in the USA / Canada / Mexico as one extended Nation. Yes this means you can use your plan included talk text and data in Canada and Mexico just like you are in Puerto Rico, Hawaii, US Virgin Islands or the USA mainland. Just turn roaming on while you are in Mexico and Canada.

Service can be renewed monthly. There is no contract or credit check required, and International calling is available.
This is the best USA sim at an Amazing Price.
Hotspot / Tethering is allowed on the 1GB and the 6GB plans. The Unlimited plan does not allow tethering.

International Calling

International calling is not included, but you can get 250 minutes of calls to Landline (and in some countries- mobiles) in over 50 countries for a simple $12 add-on feature. Add the International 250 to your AT&T sim order above. For other countries and without the International Feature- Pay As You Go International rates apply- See them here. You will need additional credit on the line for calls at Pay As You Go Rates.

AT&T Prepaid

AT&T is without question the best USA sim card for prepaid service. If you need the best, look no further.
AT&T Prepaid gives you the wireless service you can't afford to live without, at a price you can live with. Your unlocked GSM Smartphone is all you need!
No complications.
No endless bills.
No compromises.
AT&T Prepaid offers super fast HSPA+ high speed data- Perfect for iPhone, Android, Windows Mobile and even Blackberries running OS 10.
iPhones require no special configuration.

Alcatel A510A with Unlimited 30 day sim

$29.99 or $36.99 Unlocked from Mrsimcard

Data capable 3G, Candy bar Phone, includes 30 days Unlimited service.

We call this bundle "Orlando". It is a sweet little phone with Unlimited USA talk and Unlimited USA / International texting. The Device comes locked to carrier (EasyGo) and can be shipped unlocked for just $7 additional.

The easyGO "USA Unlimited" plan includes Unlimited USA Talk, Unlimited USA / International Text messages, 100MB at 4G LTE speed. This easyGO plan includes Unlimited International calls to 11 countries.

**USPS Tracked Shipping to Domestic USA addresses only.


Using your Service

To place a local call in USA: Dial area code + phone number. i.e. 703 953 2272 - MRSIMCARD
To place an international call in USA: Dial 011 + country code + area code + phone number.

AT&T Data Services

Configuring Data
You should be able to use everything as soon as you pop in your AT&T Prepaid sim card and power on your phone. If you find a particular feature that is not working we have provided the steps and settings you can enter manually.

Data Settings


Service: Internet

  • APN: phone
  • Username: leave blank
  • Password: leave blank

If you are using iPhone/iPad then you need the APN only- phone but iPhone configure automatically.

iPhone Data :
Yes it works. Data speed is 4G LTE if your phone is so capable. iPhones get 4G LTE/4G/3G/EDGE Speed on the AT&T Prepaid Network. If you have a 4G device with 850/1900 Mhz then you will have 4G LTE service in the USA (rocking).

AT&T Prepaid - International Texting Feature
Unlimited International texting now includes 100 countries. Click here for included countries such as Afghanistan, Canada, Brazil, Hong Kong, China, Denmark, Germany... plus many more. Check for your country please. Texts to other countries are at rate 0.25c/text.

For live customer service & technical service:
Call (800) 901-9878 (24/7) or dial dial 611 from the phone.

Can a customer’s phone be used as a modem?
YES, AT&T does allow tethering the phone as a modem, and it works amazingly well. iPhones work well as a modem with our sim. You can also add extra high speed data for:
$10 for 1 gig on the 1GB plan.
$10 for 1 gig or $20 for 3gig on the 6GB plan.

Is there an early termination fee?
No, our program is month to month and can be terminated at anytime.

How do customers add funds to their account?
Use the AT&T Refill box here.

Prepaid Tips / Tricks:
Use the following codes to check your usage as your go.
*777# Check our current account balance and end date.
*777*2# Check your message balance.
*777*3# Check your data balance.

To call voicemail from your mobile phone:
Perform the following steps: (Press and hold the 1 key from your mobile phone and follow the prompts to listen to your messages and for initial setup)

To send a text message via email to any AT&T Mobile phone:
Simply email the 10-digit wireless number (example:

Where does AT&T have coverage?
AT&T offers service across from coast to coast with no roaming or long distance charges. See our coverage map .

hotel Hotel Delivery USA
We can deliver your sim card directly to your hotel. With "Hotel Delivery" your order will be dispatched to your hotel and we will notify the hotel that the package is on the way. Your order will await for your arrival. Upgrade from regular shipping to Express service.
Basic Hotel Delivery- $9.99- Buy Now!
Overnight delivery- $19.99- Buy Now!

How it Works- San Juan

1.Place an order and advise your arrival date.
2. We'll ship sim to you or to your Hotel.
3. We'll activate your line just before arrival.
4. Arrive Puerto Rico. Insert sim / power the phone.
5. iPhones will configure automatically.
6. Enjoy.
7. Refill Monthly here to continue service.

Unlimited Islands Service

Get AT&T Prepaid for Unlimited Talk, Text and Data in mainland USA plus:
- Hawaii.
- Puerto Rico.
- St. Thomas.
- St. John.
- St. Croix.
Get a local number that works on island and all over the USA.
You can refill monthly to keep your service active. Take advantage of hotel delivery service if you are visiting. We will ship your order to your hotel for your arrival.

Check Balance

Check balance- *777# and "Send"
Check data balance- *777*1# and "Send"
Add a refill pin- *111*pin number # and "Send"
Retrieve Voicemail- Dial 123 or Press and hold "1" from mobile.

National Cherry Blossom Festival
It all began in 1912, when Mayor Yukio Ozaki of Tokyo gifted 3,000 cherry trees to the United States to honor the friendship between the two countries (Domo arigato Mr. Ozaki!). Each year, D.C locals and tourists gather for 10 days in April to celebrate this long-lasting friendship. 105 years later, these iconic Cherry trees draw 1.5 million people each year. [ ...learn more ]
Call for info 1.877.442.5666 or Email them.



Quick Connect USA iPad / Tablet Data Sim.
Tell us your arrival; we activate one day before. Plug-N-Play: Just put our sim into your iPad or Tablet or Phone and connect to USA 4G LTE Data Only.
- Multiple device tethering capability.
- Self Configuring service.
- Triple Cut (3-in-1) Sim Cards.

Data Valid for Price
1 GB 7 Days Buy Now $25.00
2 GB 14 Days Buy Now $30.00
4 GB 30 Days Buy Now $35.00
6 GB 30 Days Buy Now $50.00
UNL GB 30 Days Buy Now $65.00

What size sim do you need!

All sims start as a standard sim. The standard sim fits most GSM phones and the iPhone 2G, 3G and 3GS. Place your order and select "Make my sim a Nano Sim / Micro Sim" in the Shopping Cart.
  • iPhone 2, 3G, 3GS- Standard Sim
  • iPhone 4, 4S- Micro Sim
  • iPhone 5, 5S, 5C, 6, 6S, 7, 7+, 8, 8+, X- Nano Sim

AT&T Prepaid Info

Customer care is offered via a local number. Call 1 (800) 901 9878 (24/7) or dial dial 611 from the phone Customer service is of course multi-lingual.



- NEW Latest Newsletter

Contact Us

Contact Customer Care at +1-703-953-2272 or +61261452511 or +44.7700304300 from your wireless phone.
You can also send an email to Sim Support.
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