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Home/Knowledge Hub/Free Call to Bulgaria from US — $0.025/min (2026)

Free Call to Bulgaria from US — $0.025/min (2026)

April 18, 20269 min readBubblyPhone Team

Call Bulgaria for $0.025/min with BubblyPhone. Viber very popular (Balkan pattern), WhatsApp growing. +359 dialing guide, Sofia 2, Plovdiv 32, Varna 52. A1 BG/Yettel/Vivacom carriers.

Free call to Bulgaria from US — connecting US to Sofia

Calling Bulgaria costs just $0.025/min with BubblyPhone — $1.50 for a full hour. Viber is very popular in Bulgaria — like Greece and the Balkans, Viber has a strong foothold here. WhatsApp is growing but Viber remains the go-to for many Bulgarians. The country code is +359.

Whether you're calling family in Sofia, a business in Plovdiv, or friends in Varna, here's every option for calling Bulgaria cheaply or for free.

Free: App-to-App Calls

Both people need the app and internet. No charges, no limits.

1. Viber — Very Popular in Bulgaria

Viber has a strong presence in Bulgaria, similar to its popularity in Greece, Serbia, and other Balkan/Southeast European countries. Many Bulgarians, especially older users, prefer Viber over WhatsApp. Free voice and video calls work well.

Tip:If your Bulgarian contact doesn't respond on WhatsApp, try Viber. It's a regional pattern across the Balkans — Viber gained early traction and maintained its user base.

2. WhatsApp — Growing

WhatsApp is growing in Bulgaria, especially among younger users and for international communication. A1 Bulgaria, Yettel (formerly Telenor), and Vivacom provide good nationwide coverage. Many Bulgarians now use both Viber and WhatsApp.

3. Facebook Messenger — Common

Facebook is popular in Bulgaria, and Messenger is commonly used for casual communication and video calls.

4. FaceTime — Limited

iPhone market share in Bulgaria is around 20-25%. Samsung, Xiaomi, and Huawei are more popular. FaceTime is only useful if both sides have Apple devices.

Calling Bulgarian Phone Numbers — Very Cheap

Bulgaria is very affordable to call:

ServiceMobile RateLandline RateNotes
BubblyPhone$0.025/min$0.025/minBrowser, iOS, Android — very cheap
Google Voice$0.10/min$0.02/minUS Google account required
Viber Out$0.049/min$0.049/minConvenient — many Bulgarians use Viber
AT&T / Verizon$1.50-3.00/min$1.50-3.00/minUp to 120x more expensive

Our honest take: BubblyPhone ($0.025/min) is 75% cheaper than Google Voice for Bulgarian mobiles ($0.10/min). A 60-minute call costs just $1.50. For landlines, Google Voice ($0.02/min) is slightly cheaper. But Viber or WhatsApp are free — and Viber is the preferred app in Bulgaria.

How to Dial Bulgaria from the US

# From a US phone:

011 + 359 + number

# From a mobile (or VoIP app):

+359 + number

# Example — calling a Sofia landline:

+359 2 123 4567

# Example — calling a Bulgarian mobile:

+359 88 123 4567

# Example — calling Plovdiv:

+359 32 23 4567

Important: Bulgarian numbers start with 0 domestically. When dialing from the US, drop the leading 0: 02 becomes +359 2 (Sofia), 088 becomes +359 88 (mobile). Mobile numbers start with 08x (drop the 0: +359 8x).

Major Area Codes

  • Sofia: 2
  • Plovdiv: 32
  • Varna: 52
  • Burgas: 56
  • Ruse: 82
  • Stara Zagora: 42

Carriers & Mobile

  • A1 Bulgaria: Largest carrier (formerly Mtel)
  • Yettel: Second largest (formerly Telenor)
  • Vivacom: Third carrier
  • Mobile prefixes: 087/088 (A1), 089 (Yettel), 098 (Vivacom)
  • Coverage: Good in cities, variable in mountains

Which Method Should You Use?

👨‍👩‍👧‍👦

Calling family in Bulgaria

Viber — it's free and the preferred app for many Bulgarians, especially older family members. Try Viber first, then WhatsApp.

🏢

Calling a Bulgarian business

BubblyPhone ($0.025/min) or Google Voice ($0.02/min landline). A 30-minute business call costs $0.60-$0.75.

📱

Calling a Bulgarian mobile number

BubblyPhone ($0.025/min) is 75% cheaper than Google Voice ($0.10/min). A 60-minute call costs $1.50.

🏖️

Calling the Black Sea coast (Varna, Burgas)

Viber or WhatsApp — good mobile coverage along the coast. Summer tourist season means hotels and rental agencies are reachable via WhatsApp.

Tips for Calling Bulgaria

  • Bulgaria is 7 hours ahead of EST (EET, UTC+2). When it's 10 AM in New York, it's 5 PM in Sofia. Best window: 9-11 AM EST (4-6 PM Sofia) or 1-3 PM EST (8-10 PM Sofia)
  • Viber is the Balkan favorite — Bulgaria, Greece, Serbia, Croatia, and Bosnia all have strong Viber adoption. Don't dismiss it as niche if your Bulgarian contact prefers Viber over WhatsApp
  • Cyrillic alphabet — Bulgarian uses Cyrillic script. If you're searching for a business online, you might need to search in both Latin and Cyrillic
  • Tech outsourcing hub — Sofia is an increasingly popular tech outsourcing destination. Business calls to Bulgarian IT companies are becoming more common
  • Skype shut down in 2025 — if you used Skype to call Bulgaria, switch to Viber/WhatsApp (free) or BubblyPhone ($0.025/min)

Frequently Asked Questions

Can I call Bulgaria for free from the US?
Yes — Viber, WhatsApp, and Messenger calls are free. Viber is particularly popular in Bulgaria. For phone numbers, BubblyPhone charges just $0.025/min ($1.50/hour).
What is the cheapest way to call a Bulgarian phone number?
BubblyPhone at $0.025/min for mobiles — 75% cheaper than Google Voice ($0.10/min). For landlines, Google Voice ($0.02/min) is slightly cheaper. A 60-minute call costs $1.50 with BubblyPhone.
What is the country code for Bulgaria?
Bulgaria's country code is +359. Sofia is +359 2, Plovdiv is +359 32, Varna is +359 52. Drop the leading 0 when dialing internationally.
Why is Viber popular in Bulgaria?
Viber gained early traction across the Balkans and Southeast Europe (Bulgaria, Greece, Serbia, Croatia). It became established before WhatsApp dominated and maintained its user base. Many Bulgarians use both apps.
What's the best time to call Bulgaria from the US?
Bulgaria is EET (UTC+2), 7 hours ahead of EST. Best times: 9-11 AM EST (4-6 PM Sofia) or 1-3 PM EST (8-10 PM Sofia).

Call Bulgaria for $0.025/min

Open BubblyPhone in your browser and dial +359. A 60-minute call costs $1.50.

Try Free — Call Bulgaria Now

Bulgaria rates from $0.025/min. Also on iOS and Android.