Carrier networks and LTE coverage in Cambodia
Cambodia has 1 mobile network: Metfone (4G). All 5 providers we rank route through these carriers. Our editorial pick routes through Cellcard, which is the sole 4G LTE carrier operating in Cambodia. Airalo's catalogue starts at $1.44/GB with 4G LTE access. Runners-up HelloRoam and Holafly connect via Cellcard, scoring 4.9/5 and 4.3/5 on coverage.
Provider routing covers 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. Cellcard sits at the top of the published carrier list for travel eSIM traffic in Cambodia.
A travel eSIM in Cambodia attaches to Cellcard on 4G LTE. All 5 ranked providers ride that same host network rather than one of their own, so the network under a HelloRoam plan and the network under an Airalo plan is the same equipment. Cellcard is the only operator on the published list for Cambodia, which removes any fallback if it drops. This site publishes no throughput figure, because it runs no speed test.
Installing a Cambodia eSIM where local SIMs need ID
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. 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. The catalogue lists 6 plans for Cambodia, 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.
Cambodia data plans: cheap per gigabyte, so buy a size up
The published 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. Ladder rates run from $1.44 to about $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: the rubric each provider is scored against.
Cambodia verdict: per-gigabyte for short trips, unlimited for long ones
For budget travelers the pricing dimension is the one to read: HelloRoam publishes an entry rate of $3.50/GB and scores 4.8/5 there, ahead of Holafly at 4.7/5. Plans in Cambodia attach to Metfone on 4G, with Cellcard and Smart Axiata also on the published carrier list. Airalo's Cambodia catalogue undercuts that: the ladder steps from $3.99 for 1GB to $28.80 for 20GB, and the 20GB rung is its cheapest gigabyte at $1.44. Holafly sells unlimited at $2.99/day, so a trip past 10 days costs more on the day rate than the 20GB rung costs outright at $28.80. One local detail the rubric does not score: Metfone (Viettel) has widest coverage.
HelloRoam earns the Cambodia pick at 9.5/10, with the top mark on network tier, pricing and support. Its published entry rate is $3.50/GB, which the 20GB rung on this ladder beats at $1.44/GB.
Airalo follows at 9.3/10, 0.2 points back, and the ladder this page quotes is Airalo's own Cambodia catalogue, which bottoms out at $1.44/GB.
Worth knowing before you buy for Cambodia: Incredibly cheap mobile data, under $3 for 15GB.
eSIM provider comparison for Cambodia (June 2026)| Provider | Score | $/GB | Best For | Action |
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| HelloRoam | 9.5/10 | from $3.50/GB | Editors Choice | Get deal → |
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| Airalo | 9.3/10 | $4.50/GB | Widest Coverage | Get deal → |
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| Holafly | 8.9/10 | $2.99/day | Best Unlimited | Get deal → |
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| Saily | 8.4/10 | $3.99/GB | Best Privacy | Get deal → |
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| 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 on an entry rate of $3.50/GB, and the best rung on the Cambodia ladder is 20GB at $1.44/GB, below that. Every provider here rides the same host networks in Cambodia: Metfone on 4G, plus Cellcard and Smart Axiata.
Airalo
Airalo scores 9.3/10 on an entry rate of $4.50/GB, and the ladder on this page is its own Cambodia catalogue: $3.99 for 1GB up to $28.80 for 20GB, bottoming out at $1.44/GB.
Holafly
Holafly scores 8.9/10 and sells unlimited only, at $2.99/day, so the comparison is a break-even: under 10 days that costs less than the 20GB rung's $28.80, and past it costs more.
Saily
Saily scores 8.4/10 on an entry rate of $3.99/GB, and 4 of the 5 rungs on the Cambodia ladder cost less per gigabyte than that.
Nomad
Nomad scores 8.0/10 on an entry rate of $3.00/GB, and Airalo's catalogue floor for Cambodia is $1.44/GB, under that.
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 from $2.99/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 Cambodia. The published ladder starts at $1.44/GB.
How the rubric scored eSIMs for Cambodia
All 5 providers are scored on the same five weighted dimensions, every input a figure the provider publishes: coverage 25%, pricing 25%, network tier 20%, app 15%, support 15%.
What the rubric read for Cambodia: a carrier list of 3 operators, with Metfone on 4G; a 5-rung published ladder from $3.99 for 1GB to $28.80 for 20GB; a lowest catalogue rate of $1.44/GB, which is Airalo's; an unlimited daily option in the same Airalo catalogue.
Read the full scoring rubric.
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.
Common questions about using an eSIM in Cambodia
Why does HelloRoam earn your Cambodia eSIM pick?
HelloRoam scores 9.5/10 on our published rubric for Cambodia, the highest composite of the five providers ranked here. Plans for Cambodia route through Cellcard on 4G LTE. HelloRoam refunds an unactivated eSIM for 180 days. Its dimension scores are coverage 4.9/5, network tier 4.7/5, app 4.7/5, pricing 4.8/5 and support 4.5/5. Airalo's published ladder for Cambodia starts at $1.44/GB, with its 20GB plan at $28.80.
How do you score eSIM providers in Cambodia?
The BesteSIM rubric scores HelloRoam, Airalo, Holafly, Saily and Nomad on five published inputs. No figure here comes from a speed test. Coverage carries 25% and reads the operator list for Cambodia, which names 1 carrier network led by Cellcard. Price carries 25%, normalised to cost per gigabyte across every plan size. Network tier carries 20%, app features 15%, and support access 15%, the last read off published support languages: HelloRoam answers in 63, Airalo in 12, Saily in 1. No commercial 5G. Every input is a published figure a reader can check.
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. Cellcard publishes 4G LTE service across Cambodia. 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 ranked here (HelloRoam, Airalo, Holafly, Saily, Nomad) sell data-only plans 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. Cellcard publishes 4G LTE service across the main cities and tourist corridors, and every provider on this page rides that same network rather than one of its own.
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 ranked providers sell data-only plans on 4G LTE here. Provider scores for Cambodia are on each provider's review page, with the weighting shown in full on the rubric 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. Compare the two on published price alone: $2-5 for 5-20GB / 28 days at the kiosk against $1.44/GB from the phone, with no counter queue and no passport scan.
What is the best-scoring eSIM plan for Cambodia?
The 20GB plan at $28.80 ($1.44/GB) takes the highest pricing score for Cambodia, because it holds the lowest published cost per gigabyte in the catalogue. It routes through Cellcard on 4G LTE, the same carrier every one of the five providers uses here. 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 suits 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.
Staying connected in Cambodia on WiFi and mobile data
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
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