Cambodia, known for its rich history, vibrant culture, and stunning landscapes, is a must-visit destination in Southeast Asia. From the majestic temples of Angkor Wat to the bustling markets of Phnom Penh, and the peaceful riverbanks of Kampot, Cambodia offers an unforgettable experience for travelers seeking culture, adventure, and nature. To make the most of your trip, staying connected is essential, and choosing the best SIM card in Cambodia is a crucial part of your travel planning.
Whether you’re a solo backpacker, digital nomad, or joining one of our DarkGreen Adventures offbeat treks, having reliable mobile internet ensures access to maps, hotel bookings, language translation, and communication on the go.

Why You Need a Local SIM Card in Cambodia
International roaming can be extremely expensive and unreliable in Southeast Asia. Local SIM cards, on the other hand, provide:
- Affordable high-speed 4G or 5G data
- Wider coverage, especially in rural and adventure destinations
- Better access to local apps, services, and promotions
Having a local SIM card in Cambodia will keep you connected, informed, and secure throughout your journey. It’s especially critical for adventurers who may be traveling to lesser-known places where Wi-Fi is limited.
Major Mobile Networks in Cambodia
Cambodia has a competitive mobile network market, with several providers offering prepaid tourist SIM cards. Here are the most prominent ones:
1. Cellcard (Mobitel)
- Coverage: Extensive, especially in urban and semi-urban regions.
- Speed: Fast 4G LTE in most cities and towns.
- Packages: Flexible data plans, including unlimited data options for tourists.
- Best For: Adventurers traveling to multiple regions, including remote areas. If you’re planning to explore Vietnam, our Vietnam tours offer similar connectivity insights.
- Notable Feature: Excellent customer support and consistent performance.
2. Smart Axiata
- Coverage: Strong network in Phnom Penh, Siem Reap, and coastal cities.
- Speed: Highly competitive 4G speeds; one of the fastest in Cambodia.
- Packages: Popular among youth; data-heavy plans and tourist bundles.
- Best For: Urban travelers, social media users, and digital nomads.
- Notable Feature: Special promotions and app-based services.
3. Metfone
- Coverage: Exceptional in rural areas, including isolated trekking routes.
- Speed: Steady 4G service, with occasional drop in remote zones.
- Packages: Simple, affordable packages ideal for long-stay tourists.
- Best For: Budget travelers and nature explorers going off-grid.
- Notable Feature: Frequent new user deals.
4. QB (QBayar)
- Coverage: Expanding steadily in cities and towns.
- Speed: Dependable 4G LTE speeds.
- Packages: Budget-friendly, including unlimited data options.
- Best For: Urban exploration on a tight budget.
- Notable Feature: Fast-growing brand with competitive rates.
Best SIM Card in Cambodia for Tourists: How to Choose
When evaluating which SIM card is best for your trip to Cambodia, consider these factors:
Coverage: Cellcard – top performer across rural and city regions.
Speed: Smart Axiata and Cellcard – excellent for fast browsing and streaming.
Cost: Metfone and QB – great for budget-conscious travelers.
Ease of Purchase: Smart and Cellcard – available at airports and malls.
Remote Region Access: Metfone and Cellcard – reliable for countryside and treks.
Where to Buy SIM Cards in Cambodia
There are multiple convenient locations to buy your SIM card once you arrive in Cambodia:
- International Airports: Phnom Penh and Siem Reap airports have counters for major providers offering tourist-specific bundles. If you plan to arrive by flight, check our Mauritius Holiday Packages for seamless travel tips.
- Convenience Stores: Found in chains like Lucky Supermarket, Aeon Mall, and many local marts.
- Official Retail Stores: Providers have their own shops in city centers—ideal for support and proper activation.
- Mobile Resellers: Small mobile stores are widespread, but always check activation legitimacy.
- Online Booking: Certain providers allow online SIM ordering before your trip, sometimes with hotel delivery.
Tip: Bring your passport. It’s required for registration by law.
eSIM in Cambodia – A Modern Travel Option
If you’re using a newer iPhone, Samsung, or Pixel device, eSIM is a game-changer:
- Buy online from providers like Airalo, Holafly, or Nomad.
- Install remotely before arrival or at the airport via Wi-Fi.
- Avoid physical SIM swaps or airport queues.
eSIMs are especially useful for travelers on multi-country Southeast Asia trips, offering seamless data switching without changing cards.
Practical Tips for Using SIM Cards in Cambodia
- Ensure Activation: Staff usually activate your SIM; ask them to set up APN settings if needed.
- Top-Ups: Recharge through provider apps, scratch cards, or third-party top-up sites.
- Monitor Usage: Install the provider’s official app (SmartNas, MyCellcard, MyMetfone) to track data and check balances.
- Data Management: Disable background app data usage if you’re on a small data pack.
- Hotspot Support: Most Cambodian SIMs support tethering if you’re traveling with a laptop or tablet. Check out our Sikkim trip for tips on connectivity in mountainous regions.
Must-Visit Places in Cambodia
While staying connected with your SIM, here are some must-visit highlights in Cambodia:
- Angkor Wat, Siem Reap – World-famous temple complex and UNESCO site.
- Phnom Penh – Capital city filled with historical landmarks like the Royal Palace and Killing Fields.
- Sihanoukville & Koh Rong – Stunning coastal towns perfect for beach lovers and island hoppers.
- Battambang – Laid-back town known for its French colonial vibe and bamboo train rides.
- Kampot – Picturesque riverside town famed for pepper plantations and mountain views.
Planning an offbeat adventure? DarkGreen Adventures is organizing an upcoming trip to Cambodia—experience the culture, trek through lush landscapes, and make connections that last a lifetime. If you’re looking for more adventure, consider joining our Rann of Kutch Festival.
Summary: Choosing the Best SIM Card in Cambodia
- For overall performance, Cellcard is the best SIM card for tourists.
- Smart Axiata is ideal for urban stays and data lovers.
- Metfone is excellent for remote travel and long-stay visitors.
- QB is emerging as a cost-effective urban option.
Pro Tip from DarkGreen Adventures: If your journey involves treks, jungle trails, or island hopping—Cellcard or Metfone will ensure you stay connected when you need it most.
Frequently Asked Question
Q1. Which is the best SIM card in Cambodia for tourists?
Ans. Cellcard offers the best mix of coverage and speed. Smart is great for city use, while Metfone is ideal for rural travel.
Q2. Can I buy a SIM card at the airport in Cambodia?
Ans. Yes, both Phnom Penh and Siem Reap airports have kiosks selling SIMs from major providers with tourist packages.
Q3. Is eSIM available in Cambodia?
Ans. Yes, eSIMs are supported and can be purchased online before your trip via services like Airalo or Holafly.
Q4. What do I need to buy a SIM card in Cambodia?
Ans. You need a valid passport for SIM registration, as per local laws.
Q5. How much does a SIM card cost in Cambodia?
Ans. SIM cards for tourists typically range from $2 to $10, depending on data and validity.
Q6. Which SIM is best for remote areas or treks?
Ans. Metfone and Cellcard provide superior rural coverage, ideal for DarkGreen Adventures-style trips.
Q7. Are SIM cards compatible with international phones?
Ans. Yes, as long as your phone is unlocked and supports GSM networks.
Q8. Can I recharge online or through an app?
Ans. Yes. Most providers offer official apps for easy recharge, balance checks, and package upgrades.

