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Slovenia Travel Sim Card (12GB| 30 Days)

4.8|567 reviews4.8 out of 5 stars based on 567 reviews
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Available in 1 country
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How to Activate SIM Card?

  • 1

    Follow the instruction

    Follow the activation process as per the instruction sheet.

  • 2

    Insert your SIM Card

    Make sure your phone is turned off. Insert your SIM card into the SIM tray.

  • 3

    Turn on your phone

    Power on your device and wait for it to recognise the SIM card.

  • 4

    Confirm network connection

    You should see signal bars or a network name at the top of your screen.

  • 5

    Set up your phone

    Once activated, your device may prompt you to configure settings or install updates.

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Frequently Asked Questions

Everything you need to know about SimCorner’s SIM and eSIM services for a hassle-free travel. View all FAQ

SimCorner is your trusted global provider of travel eSIM and SIM cards. We offer affordable, hassle-free plans with options for data-only or data with calls and SMS, covering 200+ destinations. Order our prepaid SIM cards online for fast delivery to your doorstep, or choose an eSIM for instant purchase and easy activation. With our unmatched coverage and award-winning customer support, you can explore the world with confidence wherever your travels take you.
Make sure that your phone is unlocked before you depart for your trip. Please note: Being on a post-paid plan or contract with your local carrier doesn't mean your phone is locked. If you are unsure, please check with your current service provider.
***Please note: As of 1st of November, the activation step for this sim card has changed. When you receive your Sim Pack/s in the mail, please follow the steps below to confirm your Activation date. Details will also be noted on the front of the Sim Pack. If you have any queries please contact us at support@simcorner.com ***   As soon as you receive you order, you must register your travel/activation date via the following link; https://simcorner.com/pages/registersim. The sim card will automatically activate based on the Activation Date that you provide. It is from this date that your 30 days of service will commence. It can take up to 24 hours for your activation date to be registered into the system, hence, we encourage that you complete this form as soon as possible. Should you wish to change the activation date after you have purchased, please contact us at support@simcorner.com at least 3 days prior to the noted activation date. Whilst using the sim card you will need to have both MOBILE DATA and DATA ROAMING functions ENABLED/TURNED ON in your phone.   Going for longer than 30 Days? This sim cannot be recharged, if you are travelling for longer than 30 days, we advise that you purchase additional sim cards based on the duration of your travel and place the activation date approximately 30 days apart for each sim and swap the sim over at the end of 30 days. For example, if you are travelling for 56 days and are departing on the 1st of September, then you should select 2 for the quantity (qty) and add them to the cart. Then in the cart page enter the activation date for the first sim as 1st September and then press the "+" to enter the activation date for second sim as 30th September. Whilst on your travel, insert the first sim card to get connected and after 30 days all you need to do is swap the sims over to remain connected throughout your trip. (Please note: each sim card will have a different phone number). When buying 2 or more of the same SIM, you can checkout with the code: MULTISIM5 for 5% off your order!**
You can call 333 from this sim at anytime and follow the prompts to check your "remaining allowances". Or if 333 does not work, you can dial +44 7782 333 333 as an alternative.
Yes, you are able to hotspot/tether from your phone to another phone or device.
The mobile data APN settings should automatically update when you insert the sim card in you phone. If it does not, you need to update the settings so it states the following; APN Name: internet APN: three.co.uk None of the other mobile data APN fields, need to be changed or adjusted, only the above. Details about APN settings and other important information will be noted on the instruction sheet that will come accompanied with the sim card.
This sim cannot be recharged, if you are travelling for longer than 30 days, we advise that you purchase additional sim cards based on the duration of your travel. For example, if you are going for 50 days, then look to purchase 2 x 30 day sims to cover your duration. However, please note you will have a different phone number for each sim.
Should you run into any issues with the sim card whilst overseas then we encourage you to email us immediately at support@simcorner.com and let us know the following information; Your order number or the name that the order is under along with the sim card number. Which country you are in currently and whether the sim card connects to any network, if so, which network? Did you receive any SMS after you inserted the sim card? If so, please send us a screenshot of that message. Message us screenshots of any error message you are getting. What phone model you are using? Any other information about the issue, which will assist us in helping you resolve the issue. 
Firstly please check that the number you are dialling is a Standard Landline or Mobile. Premium rate or Business rate numbers are NOT included in the 3000 Minutes and SMS. You must always use the correct prefixes and international dialing conventions as noted below whenever making a call or sending an SMS to a local number. 00 (Country Code) (Area Code) (Number) or + (Country Code) (Area Code) (Number) If calling a Slovenian number, you must use their country code which is 386 for example, in front of the number.  eg: For Landlines: 00 - 386 - Area Code - Land Phone Number Or + 386 - Area Code - Land Phone Number and/or For Mobiles: 00 - 386 - 8 Digit Mobile Number (for calling and sms) If you need to call a rental company or tour provider, it is recommended to check with them before you depart for the correct international dialling conventions and to ensure it is standard local rate number. If you are unsure please contact us before you depart at support@simcorner.com or send us a message via the "Contact Us" page and we can let you the correct prefix.
Yes you are able to call and text your partner if you both purchase a sim card. 
We have a 100% Money Back Guarantee policy, which means that if you have a bad experience with one of our sim card and receive no value from it, we will provide you a refund. However, you MUST contact us whilst you are having the issue, so our team can assist you in resolving your problems. Please do this when you are in WiFi (generally at the airport when you land if not working to begin with) or e-mail us from your accommodations (WiFi) or cafe etc. If you only decide to contact us after you return to let us know the sim didn't work then we can't look to provide a refund as we won't be able to see exactly what the issue was and why it didn't work. Should you run into any issues whilst using the sim card, please immediately contact us at support@simcorner.com Should our team be unable to assist you in resolving your issue, then we will provide you a refund on your purchase.
Adult content and apps that ThreeUK have deemed as adult content is blocked on this sim. 
Order your travel SIM online and select the delivery method that best suits your travel date. SimCorner delivers to many countries across the world and has dispatch locations in USA, Australia, Canada, New Zealand Netherlands and United Kingdom. Receive your SIM in the mail prior to departing for your trip. Register your Travel/Activation date via the following link; https://simcorner.com/pages/registersim Insert your SIM card in your phone as soon as you land and stay connected.
As long as your phone is unlocked, this sim card will be compatible to use. If you are unsure if your phone is unlocked, please check with your current service provider.
To find out your phone number simply insert the sim in your phone at any time and you will receive a text message with your phone number which will begin with 07. It's fine to do this prior to the activation date you have submitted to us. The sim card is a UK based sim card, hence it will have a UK phone number. If anyone outside of the UK is to call you on this number they will need to dial the UK country code which is +44 followed by your assigned UK number without the leading zero (i.e. +44 7xxxxxxxxx). You are not charged for incoming calls. For example, if the phone number is 07307452691, they would need to dial +447307452691. (To get the + on a mobile phone, press and hold 0 until it turns into a +)
You will receive a 3-in-1 sim card; which includes all sizes (Standard, Micro and Nano). This sim card will fit in any phone. You simply need to just pop out the sim card size that fits your phone.
You simply need to have both MOBILE DATA and DATA ROAMING functions ENABLED/TURNED ON in your phone to use the service. As mentioned previously, the 30 days of service itself commences as soon as you decide to insert the sim in your phone and turn your phone.
The features on the sim card are valid for 30 days of service from activation. 
This sim cannot be recharged, if you are travelling for longer than 30 days, we advise that you purchase additional sim cards based on the duration of your travel. For example, if you are going for 50 days, then look to purchase 2 x 30 day sims to cover your duration. However, please note you will have a different phone number for each sim. If you need more than 12GB of Data then please either purchase our Slovenia 20GB SIM card or multiple 12GB sim cards accordingly. For example, If you need 24GB of data within a 30 days period then please purchase 2 sims or if you think you need 36GB of data then please purchase 3 sims. However, please note you will have a different phone number for each sim
Should you run into any issues with the sim card whilst overseas then we encourage you to email us immediately at support@simcorner.com and let us know the following information; Your order number or the name that the order is under along with the sim card number and phone number. Which country you are in currently and whether the sim card connects to any network, if so, which network? Did you receive any SMS after you inserted the sim card? If so, please send us a screenshot of that message. Message us screenshots of any error message you are getting. What phone model you are using? Any other information about the issue, which will assist us in helping you resolve the issue. 
If someone wishes to call you on your UK number they would need to drop the leading 0 and add the UK calling code of +44 regardless of which country you are in. For example, if the phone number noted on the pack is 07307452691, they would need to dial +447307452691. (To get the + on a mobile phone, press and hold 0 until it turns into a +) Please Note: If someone from outside of the UK wishes to call or SMS you directly they would be charged at international rates to a UK number. Some of your family and friends may have international calling as part of their phone plans to UK numbers, but others may not be able to make direct international calls or sms. We recommend that you stay in touch with your family and friends by sending them messages and calling them via data based apps such as Whatsapp, Viber, Snapchat, Messenger, Skype, iMessage etc.
If your friends and family have have purchase the same sim card then you will be able to call them directly. However, if your friends and family are using their home phone service, then you will need to connect them via data based apps such as Whatsapp, Viber, Skype, Messenger, etc.
Yes, you will have access to all your apps, messages, contacts and emails whilst using this sim card. Nothing on your phone is deleted or changed and you can continue to use your phone as per normal. The only change with using this sim card is that you will have a new phone number. 

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Slovenia Travel SIM Card (12GB) – Stay Connected on Your Trip!

Planning a trip to Slovenia? Don’t let slow or expensive roaming ruin your adventure. With the Slovenia Travel SIM Card (12GB), you’ll enjoy fast, reliable, and affordable data throughout your stay. Whether you’re exploring Ljubljana’s charming streets, hiking in the Julian Alps, or relaxing by Lake Bled, this prepaid Slovenia SIM card keeps you connected without the hassle.

Why Choose This Slovenia SIM Card?

This Slovenia Travel SIM Card is perfect for tourists who need a simple, no-contract way to stay online. It comes with 12GB of high-speed 4G data, so you can stream maps, share photos, and video call home without worrying about running out. Plus, you get 3000 minutes for local calls and 3000 SMS within Slovenia—great for booking tours or contacting hotels.

Key Features of the Slovenia 12GB SIM Card:

  • 12GB of 4G Data – Fast speeds for browsing, social media, and navigation.

  • 3000 Local Minutes – Call Slovenia landlines and mobile numbers.

  • 3000 SMS – Text local numbers easily.

  • UK Phone Number – Comes with a working number for calls and texts.

  • Hotspot/Tethering Allowed – Share your data with other devices.

  • 30-Day Validity – Starts counting from activation.

  • Works in Multiple Countries – Also usable in other European destinations (check the Europe SIM Card with 12GB for full list).

Easy to Use – No Contracts, No Hidden Fees

This Slovenia prepaid SIM card is hassle-free. No registration or long-term contracts—just pop it into your phone and go! The SIM card expires 2 years after purchase, so you can buy it in advance and activate it when you arrive.

Perfect for Tourists & Short-Term Stays

Whether you’re visiting Slovenia for a week or a month, this 12GB Slovenia SIM card gives you plenty of data for:

  • Google Maps & Navigation – Never get lost while exploring.

  • Social Media & Messaging – Share your trip with friends and family.

  • Video Calls – Stay in touch with loved ones back home.

  • Booking & Reservations – Easily call hotels, taxis, or tour guides.

Where Else Can You Use This SIM?

This Slovenia Travel SIM Card (12GB) also works in other European countries. If you’re traveling beyond Slovenia, check the full list of supported destinations under the Europe SIM Card with 12GB option.

Order Your Slovenia SIM Card Today!

Don’t waste money on expensive roaming charges. Get your Slovenia Travel SIM Card (12GB) before your trip and enjoy seamless connectivity. Fast, reliable, and easy to use—it’s the best way to stay online in Slovenia!

 

Included Features Summary:

  • Country Coverage: Slovenia
  • Data: 12GB
  • Data Speed: 4G
  • Calls: 3000 Minutes to standard Slovenian landlines and mobile numbers
  • Texts: 3000 SMS to Slovenian mobile numbers
  • Phone Number: The SIM comes with a UK phone number
  • Hotspot/Tethering: Yes
  • Validity: 30 Days of service from activation
  • Device Compatibility: Can ONLY be used with unlocked mobile phones—not compatible with data-only devices like iPads, tablets, WiFi dongles, or MiFi devices. For compatibility details, please see the "Compatibility" section in "Things to know" section.
  • When to install: Upon arrival at your destination
  • Activation: Please see "How to activate this SIM card" in the "Things to know" section
  • Sim Expiry: 2 years from purchase date

     

    Please note: this sim card can only be used in Mobiles Phones and NOT in any data only devices such as, iPads, Tablets, Wifi Dongles and Mifi devices

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