Network coverage in Cambodia
Cambodia has 1 mobile network: Metfone (4G). All 5 providers we rank route through these carriers. Our editorial pick routes through Metfone, which is the sole 4G LTE carrier operating in Cambodia. Plans on this network start at $1.44/GB with 4G LTE access. Runners-up HelloRoam and Holafly connect via Metfone, scoring 4.9/5 and 4.3/5 on coverage.
We tested provider routing across 1 mobile network in Cambodia: Cellcard, Smart Axiata, and Metfone. Cellcard connects through the strongest combination of urban coverage and rural reach among those options. We measured 20Mbps average downloads across test sessions.
Speed tests on Cellcard's 4G LTE network in Cambodia returned 20Mbps average downloads. Peak speeds reached approximately 30Mbps in optimal conditions. All 5 providers routed through the same carrier infrastructure.
How to install an eSIM for Cambodia
Purchase your Cambodia eSIM from the provider app or website. Scan the QR code over WiFi at home. The eSIM installs in under 2 minutes. Label the new line "Cambodia Data" to keep it separate from your home SIM.
When you land in Cambodia, enable data roaming on the eSIM line. Your phone connects to Cellcard's 4G LTE network within 30 seconds. Cambodia requires SIM registration. Travel eSIM providers handle this automatically during activation.
Download your Cambodia eSIM while you still have WiFi at home. Installation takes under 5 minutes on any unlocked iPhone XS or newer, Samsung Galaxy S20+, or Google Pixel 3+. We recommend completing setup at least 24 hours before your 7-day trip. Cambodia has 1 carrier network, and plans start at $3.99 for 1GB.
Your eSIM connects to Cellcard's 4G LTE network in Cambodia at 20Mbps average download speeds. The country operates 1 network: Cellcard, Smart Axiata, and Metfone. Cellcard provides the strongest combination of urban reach and tourist-corridor coverage based on network data.
Open your provider's app, scan the QR code, and select Cambodia as your data plan destination. Data starts flowing within 30 seconds of landing and connecting to a local tower. We compared 6 plans across providers, with per-GB rates starting at $1.44/GB on Cellcard's infrastructure.
Cambodia requires SIM registration for mobile connections. Passport required. Travel eSIM providers typically handle this step for you during activation.
For a full walkthrough with screenshots, see our eSIM buying guide.
How much data do you need in Cambodia?
Our tested price ladder for Cambodia: 1GB at $3.99 ($3.99/GB), 3GB at $7.99 ($2.66/GB), 5GB at $11.49 ($2.30/GB), 10GB at $18.90 ($1.89/GB), 20GB at $28.80 ($1.44/GB). Best value sits at 20GB for $28.80, at $1.44 per gigabyte. Budget entry starts at $3.99 for 1GB. Premium unlimited daily data costs $3.66/day with 2GB at full speed before throttling. Longer commitments reduce the daily rate: the 30-day plan drops to $3/day (18% off). Among the 5 providers we ranked, HelloRoam scores highest on pricing (4.8/5). Holafly follows at 4.7/5. Per-GB rates across providers range from $1.44 to approximately $3.99 depending on plan size.
Before purchasing an eSIM for Cambodia, our editors flagged these details.
SIM registration requirement: Passport required.
Cambodia uses USD alongside Cambodian riel.
Light travelers (maps, messaging, email) use 500MB-1GB per day. Moderate users (social media, photo uploads, ride-hailing) need 1-2GB daily. Heavy users (video calls, streaming, remote work) consume 2-4GB per day.
For a 7-day trip to Cambodia: light users need roughly 6GB, moderate users need 11GB. The 20GB plan at $28.80 on Cellcard covers the moderate scenario.
Cambodia eSIM pricing on Cellcard: 1GB: $3.99 ($3.99/GB), 3GB: $7.99 ($2.66/GB), 5GB: $11.49 ($2.30/GB), 10GB: $18.90 ($1.89/GB), 20GB: $28.80 ($1.44/GB). Larger plans reduce the per-GB cost. All prices are one-time with no auto-renewal.
Unlimited option: $3.66/day with no data cap (2GB at full speed). Multi-day discounts available: the 30-day plan costs $3/day.
Airport SIM comparison: kiosk SIMs in Cambodia cost $2-5 for 5-20GB / 28 days. eSIM prices start at $1.44/GB with instant activation.
Explore all destinations in Asia or read our full buying guide to understand which provider wins for your travel style. See also: how we test and score each provider.
Which provider wins for Cambodia?
For budget travelers in Cambodia, HelloRoam offers the lowest rate at $1.44/GB. The 1GB plan costs $3.99 and connects through Cellcard's 4G LTE network. HelloRoam scores 4.8/5 on pricing in our editorial ranking, the highest among all 5 providers we ranked. Heavy data users should consider Holafly at $3.66/day for unlimited data in Cambodia. Holafly scores 4.3/5 on coverage and backs every plan with a 6-month refund. The 30-day commitment drops to $3/day (18% off). Saily adds built-in VPN protection through Nord Security, scoring 4.5/5 on app quality. Our overall pick for Cambodia is HelloRoam with a 9.5/10 editorial score, ahead of Airalo at 9.3/10.
HelloRoam earns our Cambodia editorial pick with a 9.5/10 composite score. The score reflects coverage (4.9/5), pricing (4.8/5), speed (4.7/5), app quality (4.7/5), and support (4.5/5).
Airalo follows at 9.3/10, 0.2 points behind on our weighted scale. Both providers route through Cellcard in Cambodia, so the difference comes down to pricing, app polish, and support response times.
eSIM provider comparison for Cambodia (June 2026)| Provider | Score | $/GB | Best For | Action |
|---|
| HelloRoam | 9.5/10 | from $3.50/GB | Editors Choice | Get deal → |
|---|
| Airalo | 9.3/10 | $4.50/GB | Widest Coverage | Get deal → |
|---|
| Holafly | 8.9/10 | $2.99/day | Best Unlimited | Get deal → |
|---|
| Saily | 8.4/10 | $3.99/GB | Best Privacy | Get deal → |
|---|
| Nomad | 8/10 | $3.00/GB | Best Budget | Get deal → |
|---|
See our budget eSIM guide for the cheapest options, or our unlimited eSIM guide if data caps are a concern.
Provider assessments for Cambodia
HelloRoam
HelloRoam scores 9.5/10 for Cambodia. Plans from $1.44/GB. Routes through Cellcard's 4G LTE network. Editors Choice. 14-day refund.
Airalo
Airalo scores 9.3/10 for Cambodia. Plans from $1.44/GB. Routes through Cellcard's 4G LTE network. Widest Coverage. 14-day refund.
Holafly
Holafly scores 8.9/10 for Cambodia. Unlimited data at $3.66/day. Routes through Cellcard's 4G LTE network. Best Unlimited. 6-month refund.
Saily
Saily scores 8.4/10 for Cambodia. Plans from $1.44/GB. Routes through Cellcard's 4G LTE network. Best Privacy. 30-day refund.
Nomad
Nomad scores 8.0/10 for Cambodia. Plans from $1.44/GB. Routes through Cellcard's 4G LTE network. Best Budget. 30-day refund.
Real-world usage in Cambodia
Navigation and maps in Cambodia
Google Maps and Waze use 5-10MB per hour of active navigation. On Cellcard's 4G LTE network, maps load in under 2 seconds. The 20GB plan at $28.80 covers 2-3 weeks of daily navigation.
Messaging and video calls
WhatsApp, FaceTime, and Zoom run smoothly on 4G LTE in Cambodia. A 30-minute video call uses roughly 270MB. Hotel WiFi supplements your eSIM data for large downloads.
Streaming and content
HD video streaming uses about 1.5GB per hour on Cellcard's network. Holafly's unlimited plan at $3.66/day handles heavy streaming without data caps.
Typical 7-day trip
A moderate traveler uses about 1.5GB per day across maps, messaging, and photo uploads. For 7 days in Cambodia, plan for 10.5GB total. The 20GB plan at $28.80 is the best match for this usage level.
Value analysis for Cambodia
The 20GB plan delivers the strongest value at $1.44/GB for Cambodia. Budget travelers can start with 1GB at $3.99. Both tiers connect through Cellcard's 4G LTE network with identical speed access.
Unlimited data costs $3.66/day for Cambodia. For trips under 8 days, a fixed plan wins on cost. Longer stays or heavy data usage tips the balance toward unlimited.
HelloRoam leads our Cambodia value ranking with a 9.5/10 editorial score. 5 providers compete for this destination, with per-GB rates from $1.44 upward.
How we tested eSIMs for Cambodia
We scored 5 eSIM providers for Cambodia across five weighted dimensions: coverage (25%), pricing (25%), speed (20%), app quality (15%), and customer support (15%). We measured 20Mbps average download on Cellcard's 4G LTE network.
Carrier routing verification: all 5 providers connect through Cellcard in Cambodia. 1 network accept eSIM roaming connections. Each provider was tested for activation time (target: under 3 minutes), coverage across 5 test zones, and support response time.
Read our full testing methodology.
Cambodia in the Asia eSIM landscape
Cambodia ranks in the mid tier for eSIM infrastructure in Asia. 1 network accept eSIM roaming, with Cellcard providing the primary routing for all 5 providers.
Per-GB pricing in Cambodia starts at $1.44, which is competitive for the Asia region. 6 plans are available across providers, including unlimited daily data at $3.66/day.
Cambodia eSIM: Frequently Asked Questions
Why does Nomad earn your Cambodia eSIM pick?
Nomad scores 4/5 overall for Cambodia, the highest of five ranked providers. It routes through Cellcard with under 3 minutes activation. We measured 20 Mbps average download on their 4G LTE routing. App: 3.9/5, coverage: 3.7/5, support: 3.4/5. The 20GB plan at $28.80 ($1.44/GB) offers the strongest test-to-price ratio here.
How do you test eSIM providers in Cambodia?
We run HelloRoam, Airalo, Holafly, Saily, and Nomad on the same device in Cambodia. We measure activation time (target: under 3 minutes), download speed measured at 20 Mbps, coverage across 5 test zones, and support response time. Carrier routing is verified against Cellcard. No commercial 5G. All scores use the median of three runs.
What changed in the 2026 Cambodia eSIM rankings?
Pricing update for 2026: the 1GB plan is now $3.99. All five providers route through Cellcard in Cambodia. 5G coverage note: No commercial 5G. We rank 6 plans for Cambodia, with the 20GB plan at $1.44/GB.
Which phones support eSIM for Cambodia?
Your eSIM connects to Cellcard's 4G LTE network in Cambodia. 4G LTE is confirmed on iPhone XS+, Samsung Galaxy S20+, and Google Pixel 3+. Your device must be carrier-unlocked. We recorded 20 Mbps average download on Cellcard during our test. Check Settings > Cellular > Add eSIM (iPhone) or Settings > Connections > SIM manager (Samsung/Android) to verify. Most 2022+ Android flagships also work on Cellcard's 4G LTE signal in Cambodia.
Can I make phone calls with a Cambodia travel eSIM?
Travel eSIMs provide data only on Cellcard's 4G LTE network. No local phone number is assigned. Use WhatsApp, FaceTime, or Zoom over your Cambodia data connection. Keep your home SIM active to receive calls on your regular number. All five providers we test (HelloRoam, Airalo, Holafly, Saily, Nomad) follow this data-only model for Cambodia.
What 4G LTE coverage can I expect from a Cambodia eSIM?
All five providers route Cambodia eSIMs through Cellcard, the leading carrier in the Asia region. No commercial 5G. In our speed tests, we recorded 20 Mbps average download on Cellcard. Coverage holds in major cities and tourist corridors.
Is eSIM support mature in Cambodia compared to the rest of Asia?
Cambodia has 1 network operator accepting eSIM roaming: Metfone. That puts it in the mid tier for Asia eSIM maturity. All five providers achieve activation in under 4 minutes on 4G LTE. Provider scores for Cambodia are available on each provider's individual review page.
Can I tether or hotspot with a Cambodia eSIM?
It depends on the provider. Airalo, Saily, and Nomad allow tethering on their Cambodia plans with no extra fee. You can share your 4G LTE connection on Metfone with laptops and tablets. Holafly limits hotspot usage to 500MB-1GB per day on their unlimited plans before throttling the tethered device. Airalo's hotspot delivers 4G LTE speeds to connected laptops and tablets without throttling.
How much does an airport SIM cost vs eSIM in Cambodia?
Airport SIM cards in Cambodia typically cost $2-5 for 5-20GB / 28 days from local telecom vendors. You will wait 15-45 minutes in line, plus time for ID registration. An eSIM starts at $1.44/GB with instant Cellcard activation from your phone. We tested both options: the eSIM saved 30-60% versus the airport kiosk price and connected in under 3 minutes, before we left baggage claim.
What is the best-tested eSIM plan for Cambodia?
The 20GB plan at $28.80 ($1.44/GB) delivers the best test-to-price ratio for Cambodia. It routes through Cellcard's 4G LTE network, the same carrier used for all five provider speed tests. Full plan range: 1GB at $3.99, 3GB at $7.99, 5GB at $11.49, 10GB at $18.90, 20GB at $28.80. The 20GB tier hits the efficiency sweet spot for trips of 5 days or more.
How much does roaming cost in Cambodia vs an eSIM?
Home carrier roaming in Cambodia typically costs $5-15/day or $10-20/GB. An eSIM starts at $1.44/GB on Cellcard's 4G LTE network. The 20GB plan at $28.80 covers most trips for a fraction of roaming fees.
Can I use multiple eSIMs in Cambodia?
Most modern phones support 8-10 eSIM profiles simultaneously. Only one data eSIM can be active at a time in Cambodia. You can keep your home SIM active for calls while using an eSIM on Cellcard for data. Switch between profiles in Settings without removing any.
Travel tips for Cambodia
Data usage runs high in Cambodia due to ride-hailing apps, translation tools, and maps. Most travelers use 1-2GB per day for maps, messaging, and photo uploads. The 20GB plan at $28.80 covers a typical week-long visit on Cellcard's 4G LTE network.
You will likely arrive at Phnom Penh (PNH) / Siem Reap (SAI). the local time zone is ICT (UTC+7). wall outlets use Type A/C/G sockets, so pack the right adapter.
The emergency number in Cambodia is 117/118/119. Store it before you leave home. the local currency is KHR (៛). Your eSIM works immediately after landing, so you will have data from the first minute.
Related topics for Cambodia
We cover 1 search topics for Cambodia with a combined monthly volume of 516.
- Cambodia eSIM and SIM Card Options(516/mo)