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Best eSIM for Cambodia

Asia · 4G LTE in Phnom Penh + Siem Reap

Stay connected in Cambodia without roaming charges. Compare the top travel eSIM providers — instant activation, local network speeds.

ℹ️ E-Visa online at evisa.gov.kh ($30 + $6 processing) or visa-on-arrival at PNH/REP/SHV for $30 cash.

Compare eSIM Providers for Cambodia

Airalo

⭐ #1 Choice

Yesim

💰 Best Value

Best value · 90-day cookie

From $3.99

Competitive pricing
Virtual number add-on
Long 90-day cookie

Get Yesim eSIM

Drimsim

🌍 Universal

One SIM · 190 countries

From €9/mo

Physical + eSIM option
No plan switching
Unlimited validity

Get Drimsim

🇰🇭 Cambodia Network Coverage

Cellcard Smart Axiata Metfone (Viettel)

4G LTE in Phnom Penh + Siem Reap · eSIM plans connect to local networks on arrival

eSIM Tips for Cambodia

Metfone (Viettel Cambodia) has the best Angkor Wat + Siem Reap coverage

Activate before landing — Cambodian ATMs charge $5+ per withdrawal, and Grab is not available (use PassApp for Phnom Penh)

Coverage on the Angkor Wat temple loop: 4G at all major temples (Bayon, Ta Prohm, Angkor Wat, Banteay Srei)

Sihanoukville + Koh Rong / Koh Rong Samloem: mainland Sihanoukville has 4G; islands drop to 3G or none in remote coves

How to set up your Cambodia eSIM

Buy plan

Choose a Cambodia plan on Airalo or Yesim

Scan QR

Install the eSIM profile in 2 minutes

Board flight

Keep your home SIM active for calls

Activate

Switch to Cambodia eSIM on landing

Get Airalo Cambodia eSIM Compare on Yesim →

Cambodia eSIM FAQ

Do I need an eSIM in Cambodia?

Highly recommended — PassApp (Cambodian ride-hail) needs mobile data, and both Phnom Penh + Siem Reap have unreliable free WiFi. $6-8 for a week of data is much cheaper than airport SIM booths.

Does eSIM work at Angkor Wat?

Yes — Metfone 4G covers the entire Angkor Archaeological Park including Bayon, Ta Prohm, Preah Khan. Some inner-temple areas are patchy but the main corridors work.

Cambodia + Vietnam / Thailand combo?

Airalo Asia regional plans cover all three — perfect for the Bangkok-Siem Reap-Phnom Penh-HCMC route. $15-25 for 10GB, 30 days.

eSIM on Koh Rong islands?

Yes on the main pier + resort areas via Metfone. Deep beach coves + far-side of Koh Rong Samloem: expect signal loss.

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