Bulgaria SIM Card Registration: What Documents Do You Need?

Bulgaria’s mandatory SIM card registration law has been catching tourists off guard since it came into force, and 2026 is no exception. The most common scenario: you land at Sofia Airport, walk up to a kiosk, and pull out your driving licence or a photo of your passport on your phone — only to be turned away. The rules are strict, they apply to all three major networks, and they are not going anywhere. This guide walks you through exactly what documents you need, how the registration works at each operator, what tourist packages exist right now, and how to avoid the mistakes that waste your first hour in Bulgaria.

The Documents You Actually Need (and What Won’t Work)

Bulgaria aligned its prepaid SIM registration rules with EU security directives through amendments to the Electronic Communications Act (Закон за електронните съобщения). Anonymous prepaid SIMs — the kind you could once buy from a newsstand without showing any ID — are gone. Every prepaid SIM sold in Bulgaria now requires in-person identity verification. Here is what each type of traveller needs to bring:

• Non-EU tourists: A valid international passport — physical, original, no exceptions.
• EU citizens: A valid national identity card is accepted in place of a passport.
• Long-term residents in Bulgaria: A valid Bulgarian residence permit works as your ID document.

Three things that will not work, regardless of how confident you feel presenting them:

• Driver’s licences — they are not accepted because they do not always contain nationality or place of birth, both of which the registration system requires.
• Photocopies or scanned documents — paper or digital copies are rejected at every official counter.
• Photos of your passport on your phone — same issue. The consultant needs to scan the physical document.

Keep your passport in your bag, not locked in the hotel safe, any time you plan to buy a SIM card. That single habit saves a wasted trip.

How the Registration Process Works Step by Step

The process is identical across A1, Vivacom, and Yettel. It takes roughly 5–10 minutes at a quiet counter, a bit longer if the store is busy.

1. Walk into an official operator store — not a third-party electronics shop or a market stall.
2. Tell the consultant you want a prepaid SIM card or a tourist SIM package.
3. Hand over your original passport or EU national ID. The consultant scans it and enters your details into the operator’s system.
4. Sign the registration form (some operators have moved to digital signatures on a tablet).
5. Pay for the SIM card and your chosen package.
6. Wait for activation — this is usually immediate or within 30 minutes at most.
7. Before you leave the store, test that data and calls are working. Ask the consultant to help if anything looks wrong.

Face-to-face registration is mandatory for new prepaid SIMs. As of 2026, no operator offers a fully remote, legally compliant ID verification pathway for new tourist prepaid SIMs, so there is no way around the in-person visit.

A1, Vivacom, and Yettel: Prepaid Plans and Tourist SIM Packages Compared

All three networks have solid 4G coverage across Bulgarian cities and most major tourist areas. 5G is expanding but remains concentrated in Sofia, Plovdiv, Varna, and Burgas as of 2026. For most tourists, 4G is perfectly adequate.

A1 Bulgaria (a1.bg)

A1 is Bulgaria’s largest operator by subscriber base. Their prepaid range is called A1 Go. A typical entry plan — something like 10 GB of data, 200 national minutes, and 50 SMS — runs around 15 BGN (≈ 7.65 EUR) for 30 days. Their tourist-focused package steps this up significantly: approximately 30 GB data, unlimited national calls, plus international calls to select EU countries, for around 25 BGN (≈ 12.75 EUR) valid for 15–30 days. Manage everything through the My A1 (Моят А1) app on iOS or Android — top-ups, balance checks, and package upgrades all work from there.

Vivacom (vivacom.bg)

Vivacom has historically had the strongest fixed broadband network in Bulgaria, and their mobile coverage is competitive. Their standard prepaid plan — around 12 GB, 300 national minutes, 100 SMS — costs roughly 15 BGN (≈ 7.65 EUR) for 30 days. Their tourist package offers approximately 25 GB data, unlimited national calls, and 50 international minutes to EU countries for 20 BGN (≈ 10.20 EUR), valid for 20–30 days. Use the My Vivacom (Моят Vivacom) app to manage your account.

Yettel Bulgaria (yettel.bg)

Formerly known as Telenor Bulgaria, Yettel rebranded in 2022 and has built a reputation for competitive data allowances. Their flagship prepaid option — roughly 15 GB, 250 national minutes, 75 SMS — sits at about 18 BGN (≈ 9.18 EUR) for 30 days. Their tourist package, called Yettel Welcome, is particularly data-heavy: approximately 35 GB national data, unlimited national calls, plus 10 GB of EU roaming data for 30 BGN (≈ 15.30 EUR), valid for 30 days. The Yettel app (iOS and Android) handles account management.

All three operators allow top-ups at their own stores, at supermarket cashiers (Kaufland, Billa, Lidl), petrol stations, and through their apps using a Visa or Mastercard.

eSIM in Bulgaria: What’s Available for Tourists in 2026

The eSIM rollout in Bulgaria has moved quickly. By 2026, all three operators — A1, Vivacom, and Yettel — offer eSIM for prepaid plans, including tourist packages. This is a meaningful upgrade from 2024, when eSIM was largely limited to postpaid contracts.

Here is how getting a tourist eSIM works in practice: you visit an official store, go through the same ID registration process described above, and instead of receiving a physical SIM, the consultant generates a QR code. You scan that QR code with your phone’s camera, follow the on-screen prompts, and your eSIM is active within minutes. The entire process still requires in-person ID verification — the eSIM format does not bypass the registration requirement.

The practical advantages for tourists are real. You can keep your home country SIM active for calls and WhatsApp while your Bulgarian eSIM handles mobile data. You also eliminate the minor stress of swapping physical SIMs without losing one in the process. The warm smell of roasting chestnuts at a Sofia street market is more enjoyable when you are not squinting at a SIM card tray tool trying not to drop a tiny chip on the cobblestones.

Check device compatibility before you travel. Most iPhones from the XS onwards, Samsung Galaxy S20 and later, and Google Pixel 3 and later support eSIM. Some budget Android phones and older devices do not.

2026 Budget Reality: What a Bulgarian SIM Card Will Cost You

Here is a clear breakdown of what to expect to pay in 2026:

• Physical SIM card purchase fee: 10–20 BGN (5.10–10.20 EUR). This often includes some initial credit or a starter package.
• Budget tier (standard prepaid plan, 10–15 GB, 30 days): 15 BGN (≈ 7.65 EUR / ≈ 8.30 USD)
• Mid-range tier (tourist package, 20–35 GB, national unlimited calls, 30 days): 20–25 BGN (≈ 10.20–12.75 EUR / ≈ 11–14 USD)
• Comfortable tier (Yettel Welcome or equivalent, 35 GB + EU roaming data, 30 days): 30 BGN (≈ 15.30 EUR / ≈ 16.60 USD)
• Top-up denominations: 5 BGN (2.55 EUR), 10 BGN (5.10 EUR), 20 BGN (10.20 EUR)

By any comparison with Western European mobile costs, Bulgarian prepaid SIMs are genuinely affordable. A month of data that would cost 30–40 EUR in Germany or France runs under 16 EUR here, with comparable or better data allowances.

Where to Buy Your SIM (Airports, Stores, and What to Avoid)

The best place to buy a SIM card in Bulgaria is an official operator store. Sofia Airport Terminal 2 has stores for all three operators in the arrivals area — this is the most convenient option if you are flying in. Outside the airport, you will find official stores in shopping malls, city centre high streets, and larger towns across the country.

Smaller electronics shops, market stalls, and some newsstands also sell SIM cards. The problem with these unofficial channels is twofold: registration may be done incorrectly, leaving your SIM vulnerable to deactivation, and staff may not have the knowledge to help you if something goes wrong. If you have a question about your plan three days later, a market stall seller is not going to help you — an official store will.

When you are in Sofia, A1 and Vivacom both have flagship stores on and around Vitosha Boulevard, the city’s main retail street. The hum of café chatter along that boulevard on a warm evening is the soundtrack to your first night in the city — much better experienced with working data so you can navigate to wherever you want to eat.

WiFi in Bulgaria: Can You Get By Without a SIM?

Free WiFi is genuinely widespread in Bulgaria. Sofia Airport offers it without a login. Most hotels, cafés, and restaurants provide it automatically. Some larger cities have municipal WiFi in central squares and parks. BDZ intercity trains on the Sofia–Varna and Sofia–Burgas routes have onboard WiFi on newer rolling stock, though older regional trains often do not — and even on routes that have it, connectivity drops in mountain sections and rural stretches.

The honest answer is that you can get by on WiFi alone for a very short city stay in Sofia or Plovdiv. For anything involving travel between cities, mountain hiking, beach resort-hopping along the Black Sea coast, or ski trips to Bansko, you will want a SIM card. Public WiFi is not reliable enough to use as your only navigation and communication tool when you are moving around the country.

Common Mistakes to Avoid at the Counter

• Leaving your passport at the hotel: No original document, no SIM. Simple as that.
• Going to an unofficial reseller: Always use an official A1, Vivacom, or Yettel store for registration.
• Not testing the SIM before leaving the store: Activate, open a browser, make a test call — confirm everything works while the consultant is still there.
• Assuming roaming from your home country is cheaper: For stays longer than a few days, a Bulgarian prepaid SIM is almost always the better financial choice compared to international roaming fees.
• Buying a plan with insufficient validity: If your trip is 25 days, a 15-day tourist package will expire midway through. Match the package validity to your itinerary.
• Ignoring the Fair Usage Policy on EU roaming: Your Bulgarian SIM works across the EU under “Roam Like At Home” rules, but tourist packages have a Fair Usage Policy cap on roaming data. Check what that cap is before you cross into Greece or Romania.

Frequently Asked Questions

Can I register a Bulgarian SIM card with just a driver’s licence?

No. Driver’s licences are not accepted for prepaid SIM registration in Bulgaria because they do not contain all the legally required identification data, such as nationality and place of birth. You need a valid passport (for non-EU visitors) or a national ID card (for EU citizens). There are no exceptions to this rule across any of the three operators.

Can I buy a Bulgarian SIM card at Sofia Airport?

Yes. Sofia Airport Terminal 2 has official stores for all three operators — A1, Vivacom, and Yettel — in the arrivals area. They are open from early morning until late evening and stock tourist SIM packages. Staff at airport stores generally speak English, and you can complete full registration and activation before leaving the terminal building.

Do I need to register a Bulgarian eSIM in person, or can I do it online?

As of 2026, in-person registration is still required for new prepaid eSIMs in Bulgaria. You visit an official store, present your original ID, and the consultant registers your details and provides a QR code to activate your eSIM on your device. No operator currently offers a fully remote, legally compliant ID verification process for new tourist prepaid eSIMs.

Which Bulgarian operator has the best tourist SIM package in 2026?

For data volume and EU roaming inclusion, Yettel’s Welcome package — approximately 35 GB national data plus 10 GB EU roaming for 30 BGN (≈ 15.30 EUR) — offers strong value for a 30-day visit. Vivacom’s tourist package is slightly cheaper at 20 BGN if you need fewer gigabytes and no EU roaming allowance. Always check each operator’s current website for the latest figures before you arrive.

How do I top up a Bulgarian prepaid SIM card?

You can top up at any official operator store, at the cashier in major supermarkets like Kaufland, Billa, and Lidl, at petrol stations, and through each operator’s mobile app using a Visa or Mastercard. Top-up vouchers come in denominations of 5 BGN (≈ 2.55 EUR), 10 BGN (≈ 5.10 EUR), and 20 BGN (≈ 10.20 EUR).

📷 Featured image by Linda Xu on Unsplash.