Choosing the right operators in Slovenia depends on factors like network coverage in your area, type of plan needed (prepaid/postpaid), required data speeds, budget, and more. 

This guide will help you pick the best one for your needs.

Best Mobile Operators in Slovenia

I. List of Mobile Operators in Slovenia

1.1. Main Mobile Operators in Slovenia

The main mobile network operators (MNOs) in Slovenia are:

  • A1 Slovenija – Market leader with around 1 million subscribers
A1 - Best Mobile Operators in Slovenia
A1
Telekom - Among top Mobile Operators in Slovenia
Telekom
  • Telemach – Fast-growing challenger brand owned by United Group
Telemach - On top Mobile Operators in Slovenia
Telemach
  • T-2 – Low-cost operator with great value prepaid plans
T2 - On top Mobile Operators in Slovenia
T2

1.2. Mobile Virtual Network Operators (MVNOs) in Slovenia

  • HoT mobil – Runs on the Telekom Slovenije network
  • Izimobil – Uses A1 Slovenija’s network
  • Lycamobile – Offers low-cost international calls
  • Tusmobil – Rides on Telemach’s growing network

While MVNOs can provide significant cost savings, their network coverage and speeds heavily depend on their host networks.

II. How to Choose the Best Mobile Operators in Slovenia

Here are some tips to selecting the most suitable mobile operators in Slovenia for your requirements:

  • Coverage – Check coverage maps to see which operator has the strongest 4G/LTE network where you’ll be spending most of your time. Telemach, A1, and Telekom all have nationwide coverage.
  • Data Allowances – Compare included data on pre-paid or post-paid plans. Many plans now offer unlimited data but roaming limits apply outside Slovenia.
  • International Calls/Roaming – Consider rates for calling abroad and costs for using your plan while traveling in other EU/international countries.
  • Customer Service – Check online reviews for assistance with billing, technical support and stores/pickup locations.
Best Mobile Operators in Slovenia - Mobile Experience Awards
Mobile Experience Awards. Source: Opensignal

III. Best Mobile Operators in Slovenia – Detailed Comparison

Slovenia has four main mobile operators. Let’s take a look at this:

Mobile Operators in Slovenia

Operator Coverage & Speeds English Support Prices & Plans Other Factors
A1 Over 99% population 4G coverage. Average download speeds of 50 Mbps. Live chat and call center support in English. Key info online in English. Starting plans from €20 with bundled benefits. Wide selection of plans. Largest network with 500+ international roaming partnerships.
T2 Nationwide 4G coverage reaching 98% of population. Average speeds of 40 Mbps. Limited English website content. Basic support via chat/email. Competitive starting plans from €15. Good value options for families/students. Focused on no-frills service and affordable plans.
Telemach 4G network covers 98% of population. Speeds averaging above 100 Mbps. Basic conversational English on helplines. Some info online in English. Value starting plans from €15. Wide range of pricing and package options. Wide retail presence. Known for reliability and customer-centric approach.
Telekom 4G/fiber coverage of 90%+. Average download speeds of 30 Mbps. Limited to chat support in English. Website mostly in Slovene. Most expensive starting at €25 but premium plans with unlimited benefits. Integrated fixed/mobile services. Best for business customers.

In summary,  A1 is quite possibly the most trouble-free choice for travelers ensuring stay connected seamlessly during their Slovenia trip.

IV. Where to Buy SIM Card from Slovenia Mobile Operators?

Here are some options for where tourists can buy a SIM card from the main mobile operators in Slovenia:

  • Airport Vendors: The airports in Ljubljana and Maribor have stores from the major operators like Telekom Slovenije, A1, Telemach and T-2 selling SIM cards. Check Buying SIM Card at Ljubljana Airport for more details
  • Carrier Stores: Retail outlets operated directly by Telekom Slovenije, A1, Telemach and T-2 can be found in large cities and towns. They offer SIM starter packs.
  • Convenience Stores: Chains like M Predajnalnice and Hofer supermarkets sell no-name prepaid SIMs from MVNO operators like Sparov mobilni.

Note: When purchasing a SIM card you need to show a valid photo ID document for registration formalities. 

V. Do Mobile Operators in Slovenia Offer eSIM?

Here are some glimpses of eSIM capabilities offered in Slovenia:

  • A1 Slovenija eSIM – A1 Come Together app allows activating eSIM online for iPhone users. Just scan QR code to swiftly set up mobile plan on eSIM.
  • Telekom Slovenija eSIM – Provides ability to add eSIM via TS Moj Account self-care portal for compatible device owners. DIRECT eSIM Store iOS app also available.
  • Telemach eSIM – Launched Slovenia’s first eSIM capabilities for consumers back in 2020. 
  • T2 – Launched eSIM capabilities for its postpaid mobile plans in 2021.

Coverage Slovenia on A1’s reliable network, eSIM Slovenia would be a convenient and cost-effective way to stay connected for tourists. They provide up to 10GB of high-speed data with validity periods of 7-30 days starting from only $5.

Slovenia eSIM data plans
Slovenia eSIM data plans

Vi. FAQs

Which telecom operator has best network coverage in Slovenia?

A1 Slovenija offers the widest 2G, 3G, 4G and 5G coverage across Slovenia presently thanks to sustained investments in network expansion and modernization over the years.

Does Slovenia allow mobile number portability?

Yes, Slovenia has implemented MNP so you can conveniently retain your existing mobile number when switching operators. Just inform new provider and they will automatically manage number porting. Porting normally completes within 5 working days. Minimal charges may apply.

What frequency bands do Slovenian networks use?

Slovenian mobile operators utilize the following frequency bands:
– 2G – GSM 900 and GSM 1800
– 3G – UMTS 2100 MHz / 900 MHz
– 4G/LTE – 800 MHz / 1800 MHz / 2600 MHz
– 5G – 3500 MHz / 2100 MHz (n78)
So ensure phone is compatible before travel.

Can I use 4G roaming across Europe with my Slovenia SIM?

Yes, top operators like A1, Telekom and others allow high-speed 4G data roaming within the EU/EEA subject to fair usage limits. Speeds may be throttled beyond monthly data caps to prevent misuse while roaming. Preferences and EU roam benefits differ so check with your chosen provider.

VII. Conclusion

Slovenia boasts excellent mobile network connectivity thanks to sustained infrastructure investments by leading operators like A1 Slovenija, Telekom Slovenija, Telemach and T-2. 

Using eSIM Slovenia to explore Slovenia without worrying about staying connected.