1 GB / 7 days
Best for: A short visit with maps, messages and occasional browsing.
This option pairs the 1 GB allowance with a stated validity period of 7 days.
Usage tip: Save maps before longer journeys and use Wi-Fi for large downloads.
* The "as low as" figure is the lowest per-day rate, taken from the longest unlimited data plan on sale here.
Here's how Onetel stacks up against other options in Cambodia.
Prices shown in USD
7 days of unlimited data in Cambodia costs $245.30 — about $35.04 a day on Cellcard, Smart Axiata or Metfone, with no roaming charge and no SIM to swap. In Cambodia, 5G is live and median mobile download speed is 23.0 Mbps.
Choose your Cambodia eSIM by matching the allowance and validity period to your trip, then compare the selected product details with the local network, band and speed references already shown on this page.
Start with the length of your stay, then allow for navigation, messaging, streaming and work use. Each option below is a plan size that is currently available for this destination.
Best for: A short visit with maps, messages and occasional browsing.
This option pairs the 1 GB allowance with a stated validity period of 7 days.
Usage tip: Save maps before longer journeys and use Wi-Fi for large downloads.
Best for: A stay of around two weeks with regular navigation and messaging.
The 3 GB allowance remains available across a stated validity period of 15 days.
Usage tip: Keep automatic app updates and cloud backups on Wi-Fi.
Best for: A longer stay or more frequent streaming, video calls or work use.
The 10 GB or more / 30 days profile provides a larger data pool than the short-trip options on this page.
Usage tip: Compare the allowance with your normal phone usage and monitor it during the trip.
Your eSIM roams onto Cambodia's own operators. These are the networks and the frequencies they run — check your phone supports them before you travel.
Source: Ookla Speedtest Global Index, July 2025
Coverage is concentrated in urban areas and along major roads; large portions of the Cardamom Mountains, northeastern Mondulkiri and Ratanakiri provinces, and the Tonle Sap lake area have limited or no service. Smart Axiata and Cellcard operate 3G on B1 (2100 MHz), which some older US-market phones lack.
The Cambodia mobile network source is linked below as a public network reference. Check the places on your itinerary where the source offers local detail, then confirm the network information for the selected eSIM product. The operator table on this page provides the country-level reference, while the selected product details identify which network information applies to your plan.
Check your accommodation and the places you expect to visit in Cambodia. Indoor reception can differ from an outdoor map, so keep the property Wi-Fi details available as well.
Review the full route rather than checking only the arrival city. Save tickets, addresses and maps offline before longer road or rail journeys.
Check the selected product scope for every country on your itinerary. Your Cambodia plan and a regional plan may have different included destinations and validity periods.
Compare your phone with 4G bands B1, B3, B5 and 5G bands n78 in the existing Cambodia network table. Support for more of the listed bands gives the phone more options when connecting, while the selected product, location and local network conditions determine the service available.
Keep the QR code and installation instructions available offline, and complete each step according to the selected product's instructions.
When validity starts: Validity-start rules can differ by product. Check the selected plan details before installation and travel.
Cambodia is a Southeast Asian country with a mix of ancient history and modern life. From the temples of Angkor Wat to the busy streets of Phnom Penh and the relaxed beaches of Sihanoukville, the country offers variety. Cambodian people are generally welcoming. Stay in guesthouses or hotels that match your budget. Street food is common but choose stalls with high turnover. Traffic can be chaotic; cross roads slowly and make eye contact with drivers. Bargaining is expected at markets but keep it polite. Tap water is not safe to drink; use bottled or filtered water. Learn a few words of Khmer, the local language, to show respect. Stay aware of your belongings in crowded areas.
Angkor Wat is the main draw, a UNESCO World Heritage site and the largest religious monument in the world. Plan at least two days to see the main temples, including Bayon and Ta Prohm. Tonlé Sap Lake offers floating villages and a look at daily life on water. In Phnom Penh, visit the Royal Palace and the Silver Pagoda for Khmer architecture. The Tuol Sleng Genocide Museum and the Killing Fields provide a sobering look at recent history. Sihanoukville has beaches and islands for swimming and snorkeling. Battambang is quieter, with French colonial buildings and a laid-back atmosphere. Whether you choose temples, cities, or coast, each region has a different character.
Nom Banh Chok is a popular breakfast noodle soup with fish-based broth, fresh herbs, and rice noodles. It is lighter than Thai or Vietnamese versions. Amok is a mild curry, often made with fish, coconut milk, and lemongrass, steamed in banana leaves. Lok Lak is stir-fried marinated beef served with lettuce, tomato, cucumber, and a dipping sauce of lime and pepper. Samlor Machu Teung is a sour soup with fish, pineapple, and vegetables, similar to a hot and sour soup. Num Pang is a Cambodian baguette sandwich, similar to a Vietnamese banh mi but with local pork and pickle. Street stalls sell these dishes cheaply. Tender grilled meats and fresh spring rolls are also common. Try local fruits like dragon fruit and mango.
Cambodia has a dry season from November to February. During these months, temperatures are lower and rain is rare. This is the best time for visiting Angkor Wat and other outdoor sites. The hot season runs from March to April, with high humidity and temperatures often above 35°C. The wet season lasts from May to October. Afternoon downpours are common but usually brief. Travel during the wet season is still possible; mornings are often clear. The countryside turns green and crowds are thinner. If you visit in the wet season, pack a rain jacket or poncho. Avoid traveling to remote areas during heavy rain, as roads can become difficult. For the best balance of weather and fewer tourists, consider late November or early February.
Lightweight, breathable clothing is essential for Cambodia's heat. Cotton and linen work well. Respectful temple attire means covering shoulders and knees; pack a scarf or shawl to wrap around. High SPF sunscreen is necessary even on cloudy days. Comfortable walking shoes are key for Angkor Wat and other temple complexes. Rain jacket or poncho is useful if you travel during the wet season. Your uPhone eSIM will keep you connected without roaming charges. Prepare for mosquitoes: bring repellent and consider a mosquito net for rural stays. Lightweight long pants help at dusk. Pack a reusable water bottle and purification tablets if you plan to refill. A small flashlight or headlamp is useful for early morning temple visits and areas with unreliable power.
The details worth knowing about your Cambodia eSIM
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