Stay connected across Vietnam and Cambodia with our essential SIM card guide! Discover top providers, affordable data plans, cultural tips, and book eco-friendly Vietnam Tours or Cambodia Tours with Legend Travel Group for a seamless Vietnam Travel and Cambodia Travel experience.
Capture every golden moment in Cambodia with reliable data (Source: Internet)Written by Tony Bùi, with over 20 years of experience in the travel industry, personally guiding and organizing tours for over 100,000 travellers across Southeast Asia. This guide draws from firsthand insights and guest feedback from Legend Travel Group surveys. By Legend Travel Group.
Traveling through the vibrant streets of Hanoi, the ancient temples of Angkor Wat, or the bustling markets of Ho Chi Minh City demands reliable internet to navigate, share moments, and stay in touch. A local SIM card ensures fast 4G/5G data, affordable calls, and hassle-free access to ride-hailing apps, maps, and translation tools—essential for any Vietnam Tours or Cambodia Tours itinerary.
Legend Travel Group recommends pre-purchasing or picking up a SIM upon arrival to kickstart your Vietnam Traveland Cambodia Travel with peace of mind. With flexible payment—only 10% deposit required until 30 days before departure—you can book your dream Vietnam Tours or Cambodia Tours without stress.
This guide covers the best SIM options, activation steps, coverage tips, and how to combine connectivity with sustainable adventures across both countries.
SIM cards in Vietnam and Cambodia are widely available at international airports, convenience stores, and official retailer shops. Prices range from $3–$15 (75,000 VND / 100,000 KHR) for 7–30 days with 3–100 GB data. Registration requires a passport. Top up via apps, scratch cards, or stores. Verify latest plans before purchase as promotions change frequently. Book your Vietnam Tours or Cambodia Tours at legendtravelgroup.com with just 10% deposit.
Viettel (Recommended for Nationwide Coverage):
Best For: Rural areas, northern Vietnam, and cross-border travel near Cambodia.
Popular Plans: 7 days (30 GB, $5), 15 days (60 GB, $10), 30 days (100 GB, $15).
Speed: 4G/5G in major cities; strong 4G in remote areas.
Purchase: Noi Bai (Hanoi), Tan Son Nhat (HCMC), Da Nang airports; Viettel stores; 7-Eleven.
Activation: Insert SIM, restart phone; auto-configured or dial *098#.
Vinaphone (Great for Urban Areas):
Best For: Hanoi, Ho Chi Minh City, Hoi An, Da Nang.
Popular Plans: 10 days (50 GB, $8), 30 days (90 GB, $14).
Speed: Excellent 5G in cities; reliable 4G elsewhere.
Purchase: Airports, Vinaphone shops, Circle K.
Activation: Insert SIM; follow SMS instructions or dial *888#.
Mobifone (Balanced Coverage & Support):
Best For: Mid-range travelers seeking English support.
Popular Plans: 7 days (20 GB, $6), 30 days (80 GB, $13).
Purchase: Airports, Mobifone stores, convenience chains.
Activation: Auto or dial *090#.
Cellcard (Top Choice for Tourists):
Best For: Siem Reap, Phnom Penh, Sihanoukville, and rural temples.
Popular Plans: 7 days (30 GB, $5), 15 days (60 GB, $10), 30 days (100 GB, $15).
Speed: Strong 4G/5G in cities; good coverage in Angkor area.
Purchase: Phnom Penh, Siem Reap, Sihanoukville airports; Cellcard shops; minimarts.
Activation: Insert SIM; dial *1333# to activate.
Smart (Excellent for Data-Heavy Users):
Best For: Streaming, video calls, and long stays.
Popular Plans: 10 days (50 GB, $7), 30 days (120 GB, $14).
Speed: Fastest 5G in Phnom Penh and Siem Reap.
Purchase: Airports, Smart shops, tuk-tuk drivers (official only).
Activation: Auto or dial *8888#.
Metfone (Budget-Friendly with Wide Reach):
Best For: Southern Cambodia and border areas.
Popular Plans: 7 days (25 GB, $4), 30 days (80 GB, $12).
Purchase: Airports, Metfone outlets, local shops.
Activation: Insert SIM; dial *133#.
No single SIM works seamlessly in both countries without roaming fees. Purchase one SIM per country or use an eSIM(see below) for dual connectivity.
Why eSIM? No physical swapping, instant activation, dual-line support.
Recommended Providers:
Airalo: Vietnam (10 GB, $9.50), Cambodia (10 GB, $9); combo plans available.
Nomad: Vietnam + Cambodia bundle (20 GB, $17).
Holafly: Unlimited data (Vietnam: $29/15 days; Cambodia: $27/15 days).
Activation: Scan QR code via phone settings before departure.
Compatibility: iPhone 11+, Samsung Galaxy S20+, Google Pixel 3+.
Pro Tip: Download eSIM before flying; activate upon landing to avoid airport queues.
Even at sea, Vietnam Travel stays online (Source: Internet)|
Location |
Vietnam Options |
Cambodia Options |
|---|---|---|
|
Airports |
Viettel, Vinaphone, Mobifone kiosks (24/7) |
Cellcard, Smart counters |
|
Cities |
7-Eleven, Circle K, official stores |
Minimarts, tuk-tuk drivers (verify logo) |
|
Borders |
Moc Bai, Bavet (limited) |
Bavet, Poipet (Cellcard/Smart) |
Legend Travel Group Tip: Pre-book your Vietnam Tours or Cambodia Tours and request airport SIM pickup with your private guide—only 10% deposit required!
Temples & Sacred Sites: Silence phones; no flash photography of monks or altars.
Markets & Local Interactions: Ask permission before photographing vendors.
Tuk-Tuks & Guides: Use translation apps politely; tip 10,000 VND / 4,000 KHR for helpful service.
Dining: Avoid loud calls at restaurants; use messaging apps.
Respect Privacy: Do not record conversations without consent.
Break language barriers with instant connectivity (Source: Internet)Enhance your journey with seamless connectivity and expert-led adventures:
Vietnam Discovery Eco-Tour ($60–$90/person, 1 day): Hanoi street food + SIM activation with guide.
Cambodia Temple Explorer ($70–$100/person, 1 day): Angkor Wat sunrise + Cellcard setup.
Vietnam & Cambodia Combo Trail ($250–$400/person, 5 days): Hanoi → Halong → Siem Reap with dual eSIM support.
Southeast Asia Odyssey ($500–$800/person, 10 days): Multi-country Vietnam Travel and Cambodia Travelwith full connectivity package.
All tours include:
Private English-speaking guide
Airport pickup with SIM card
4G/5G data top-up assistance
Only 10% deposit until 30 days before departure
Book now at legendtravelgroup.com and travel with peace of mind.
|
Plan |
Vietnam (VND) |
Cambodia (KHR) |
USD Equivalent |
|---|---|---|---|
|
7 Days (20–30 GB) |
125,000–200,000 |
20,000–25,000 |
$5–$8 |
|
15 Days (50–60 GB) |
250,000–300,000 |
40,000–50,000 |
$10–$12 |
|
30 Days (80–100 GB) |
350,000–400,000 |
60,000–70,000 |
$14–$16 |
|
eSIM (10 GB) |
— |
— |
$9–$17 |
Total Daily Connectivity Cost (Per Person)
Budget: $0.50–$1
Mid-range: $1–$2 (with eSIM)
Luxury: $2–$3 (unlimited data)
Tip: Bundle SIM with Vietnam Tours or Cambodia Tours for complimentary top-ups.
Rural Vietnam, zero dropouts (Source: Internet)Top-Up: Use Momo (Vietnam) or Wing (Cambodia) apps; buy scratch cards at convenience stores.
Coverage Check: Test signal in rural areas (e.g., Mekong Delta, Mondulkiri); Viettel/Cellcard recommended.
Data Saving: Use Wi-Fi at hotels/cafes; turn off auto-updates.
Dual SIM Phones: Keep home SIM for OTPs; use local SIM for data.
Emergency Numbers: Vietnam: 113 (Police), 115 (Ambulance); Cambodia: 117 (Police), 119 (Ambulance).
Sustainability: Recycle old SIMs at carrier stores; choose eSIM to reduce plastic.
Can I use one SIM in both countries? No, but eSIMs offer dual plans.
Where to buy at midnight arrivals? 24/7 kiosks at Noi Bai, Tan Son Nhat, Phnom Penh, Siem Reap airports.
Is registration required? Yes, passport needed; takes 2 minutes.
Best for Angkor Wat photos? Cellcard or Viettel (strong signal in Siem Reap).
How to top up abroad? Use carrier apps or ask your Legend Travel Group guide.
Are eSIMs reliable? Yes, with 99% uptime in tourist areas.
Stay online and eco-conscious:
Pre-loaded SIM Packages: Included in all Vietnam Tours and Cambodia Tours.
eSIM Onboarding: Guides assist with setup on Day 1.
Zero Plastic Policy: Digital vouchers, reusable pouches.
Carbon Offset Data: 1 GB donated = 1 tree planted.
Book your connected adventure at legendtravelgroup.com — only 10% deposit, full flexibility.
A reliable SIM card is your lifeline for navigating the wonders of Vietnam Travel and Cambodia Travel. Whether exploring Hanoi’s Old Quarter, cruising Ha Long Bay, or witnessing Angkor Wat at sunrise, stay connected with Viettel, Cellcard, or eSIM solutions.
Pair your connectivity with expertly crafted Vietnam Tours or Cambodia Tours by Legend Travel Group. Enjoy private guides, sustainable itineraries, and the easiest booking process—just 10% deposit until 30 days before departure.
Start your seamless, connected journey today at legendtravelgroup.com.
By Legend Travel Group
Favorite experiences booked by travelers
