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Cambodia eSIM
Skip the SIM card queues at Phnom Penh or Siem Reap airport and arrive with data already on your phone. A Cambodia eSIM from Prepaid SIMs gives you mobile data on local Cambodian networks from the moment you land. Install it before you leave Australia, switch it on when you arrive and you're connected.
Travelling somewhere else?
How does prepaidsims compare?
- AUD Pricing
- No Roaming Fees
- Flexible Data Options
- Local Phone Number
- Easy Setup
- Aussie Support
- Money Back Promise
Int’l Roaming &
Others
- USD/EU Pricing
- Daily Fees & Charges
- Limited Data Options
- Restricted Number
- Complicated Setup
- Limited Support
- No Guarantees
What your Cambodia eSIM handles across the country
Cambodia has solid mobile coverage in its main cities and tourist areas. Your eSIM keeps ride-hailing apps, navigation, translation tools and messaging apps running wherever you go. Here's what you'll use it for at each stage of a typical Cambodian trip.
Exploring the temples of Angkor
Siem Reap has strong coverage across the town centre, Pub Street, the Old Market area and along the main roads to the Angkor Archaeological Park. Your Cambodia eSIM keeps Google Maps running for navigating the sprawling temple complex, which covers over 400 square kilometres.
Inside the Angkor complex, coverage is solid at the major temples including Angkor Wat, Bayon, Ta Prohm and Banteay Srei. Signal can thin on some of the more remote outer temples and forest paths, but you'll have connectivity at all the main sites and along the circuit roads.
Most visitors hire a tuk-tuk driver for the day. Your eSIM means you can coordinate with your driver via WhatsApp or Messenger, pull up temple information on the spot and share photos without waiting to get back to hotel Wi-Fi.
Getting around Phnom Penh
Phnom Penh has excellent mobile coverage across the entire city. The Royal Palace, S-21, the Russian Market, riverside and BKK1 all have strong signal. Your Cambodia eSIM keeps Grab running for rides across the city. Grab launched in Cambodia and is the safest, most affordable way to move around Phnom Penh's busy streets.
PassApp is Cambodia's local ride-hailing alternative and works well across Phnom Penh and Siem Reap. Having both apps installed gives you more options, especially during peak times. Both need a live data connection from your Cambodia eSIM.
Google Translate's camera feature is useful for menus at local restaurants and market stalls where English signage is limited. Download the Khmer language pack before you arrive so it works faster and uses less data.
Beach and island trips in the south
Sihanoukville has coverage across the main town and beach areas. The nearby islands of Koh Rong and Koh Rong Samloem have coverage in the main village and pier areas, though signal can be weaker on remote beaches and in the island interiors.
Kampot and Kep, popular for their riverside setting, pepper farms and crab markets, both have strong coverage. Your eSIM handles restaurant searches, Grab or PassApp bookings and photo sharing without issues.
If you're heading to more remote coastal areas or islands, download offline Google Maps before leaving the mainland. Coverage is reliable in towns but can drop on boat transfers and at more isolated beaches.
For most phones, your Australian SIM stays active alongside your Cambodia eSIM for banking codes and verification messages. Just switch its mobile data off to avoid roaming charges.
Before you fly
- Download Grab and PassApp before you arrive. Grab is widely used, and PassApp is Cambodia's local alternative. Both handle tuk-tuks, cars and motorbike taxis. Your Cambodia eSIM keeps them connected everywhere.
- Save offline Google Maps for temple circuits and island trips. Coverage is strong in towns and at major temples, but remote outer temples and island interiors can have weaker signal.
- Download the Khmer language pack in Google Translate. The camera feature helps with menus, signs and timetables at local restaurants and markets.
- Keep your Aussie SIM active for banking codes. Your Cambodia eSIM runs alongside your existing Australian number on most phones. Switch your Aussie SIM's mobile data off to avoid roaming charges.
How much Cambodia eSIM data do you need
Cambodia is a moderate-data destination. You'll use data for Grab rides, temple navigation, messaging and photo sharing, but it's less data-intensive than a fast-paced city trip in Bangkok or Tokyo.
- 5GB covers a short 3-5 day Siem Reap temple trip or Phnom Penh city break.
- 10-20GB suits a 1-2 week trip covering Siem Reap, Phnom Penh and the southern coast.
- 20GB+ is good for longer stays or anyone combining Cambodia with other Southeast Asian destinations on a regional plan.
Cambodia eSIM FAQs
Will my Cambodia eSIM work at Angkor Wat?
Yes. Coverage is strong at Angkor Wat and the other major temples in the Angkor Archaeological Park, including Bayon, Ta Prohm and Banteay Srei. Signal can be weaker at some of the more remote outer temples and along forest paths, but the main circuit is well covered.
Do I need Grab or PassApp in Cambodia?
Strongly recommended. Grab works across Phnom Penh and Siem Reap for cars, tuk-tuks and motorbike taxis. PassApp is Cambodia's local alternative and is widely used. Both need a data connection from your Cambodia eSIM to function.
Will my Cambodia eSIM work on Koh Rong?
Coverage on Koh Rong and Koh Rong Samloem is available in the main village and pier areas. Remote beaches and island interiors may have weaker signal. Download offline maps before heading to the islands.
How do I set up my Cambodia eSIM?
After purchasing, you'll receive an email with a QR code. Scan it in your phone's settings to install the eSIM profile. You can do this at home before your trip. When you land in Cambodia, switch your data to the new eSIM line and you're connected.
Is a Cambodia eSIM cheaper than roaming with my Aussie carrier?
Significantly. Australian carriers charge steep daily rates for international roaming. A Cambodia eSIM is a flat, prepaid cost for your entire trip. No daily charges, no bill shock when you get home.
Can I make phone calls with a Cambodia eSIM?
Our Cambodia eSIM plans are data-only. For calls and texts, use WhatsApp, Messenger or FaceTime over your Cambodia eSIM data connection. They work perfectly and are free.
Can I use my Cambodia eSIM in other Asian countries?
If you purchased a regional Asia eSIM plan, yes. The Asia eSIM covers 13 countries including Cambodia, Thailand, Vietnam, Singapore and more. If you purchased a dedicated Cambodia-only plan, it covers Cambodia only.
Combining Cambodia with the rest of Southeast Asia? Our Thailand eSIM plans keep you connected from Bangkok to the islands. We also have a Vietnam eSIM for Hanoi and Ho Chi Minh City and an Asia eSIM covering 13 countries on a single plan. If your phone doesn't support eSIM, our Cambodia SIM card ships to your door before you fly.