What is the exact rate to call the United States from Vietnam?

Sayfone charges 8¢/min to both US landlines and mobile phones. There are no setup fees, no minimum call duration, and no hidden charges—you only pay for the time you talk.

Do I need to download an app to use Sayfone?

No. Sayfone is browser-based, meaning you can call directly from your web browser on any device with an internet connection. No app download or installation is required.

What is the best time to call the United States from Vietnam?

Vietnam is 12–13 hours ahead of US time zones. Early morning Vietnam time (6:00 AM – 9:00 AM) reaches evening US East Coast (6:00 PM – 9:00 PM previous day). Late evening Vietnam time (8:00 PM – 11:00 PM) reaches US West Coast morning hours. Check daylight saving time differences, as they vary seasonally.

How do I dial a US phone number from Vietnam using Sayfone?

Enter the complete 10-digit US number in Sayfone: country code (+1) followed by the area code and 7-digit local number. Sayfone handles the dialing automatically; you do not need to manually add country codes or formatting characters.

Can I call both US landlines and mobile phones at the same rate?

Yes. Sayfone charges the same 8¢/min rate to US landlines and mobile phones, with no differentiation between carrier types or network speeds.

What internet connection do I need for clear calls?

A stable broadband or WiFi connection is recommended for best call quality. Mobile data (3G, 4G, LTE) works but may be less stable depending on your provider and signal strength. WiFi typically offers the most consistent experience.

Are there any hidden fees or setup costs?

No. Sayfone operates on transparent per-minute pricing with transparent pricing, no setup costs, no account minimums, and no long-term contracts. You pay only for the time you use.

Can I use Sayfone on my mobile phone?

Yes. Sayfone works on any device with a web browser, including smartphones and tablets. You can call from WiFi or mobile data, though WiFi generally provides better call stability.

Call from Vietnam

Call the United States from Vietnam at 8¢/min

Browser-based calling with transparent per-minute rates. Transparent pricing, no surprise charges.

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Transparent per-minute pricing
No app download required
Affordable rates to US landlines and mobiles

Calculate your cost

🇻🇳From Vietnam

To United States🇺🇸

$0.08

Per minute

Country code

Call quality

🇻🇳

Active callers now: 179

Landline rate

$0.08/min

Mobile rate

$0.08/min

Same per-minute Sayfone rate for landline and mobile.

Average call quality

Estimate

Calculate your cost

Drag the slider to set your monthly minutes and call type for United States. The totals below estimate what that volume could cost per month at typical retail rates compared to Sayfone—so you can see the full picture before you dial.

Monthly call minutes

Drag slider to adjust

220

min / month

Call type

AT&T / Verizon$862

~$3.92/min

T-Mobile$651

~$2.96/min

Calling cards$387

~$1.76/min

Google Voice$88

~$0.40/min

Sayfone$18

$0.080/min

Annual saving vs. AT&T

Based on 220 min/month

$10,138

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WHY THIS ROUTE MATTERS

Common Reasons to Call the United States from Vietnam

Whether maintaining family ties, managing business operations, or staying connected with friends, calling the US from Vietnam serves diverse needs across diaspora and professional communities.

Family and Personal Connections

Vietnamese diaspora and families separated by geography rely on affordable calling to maintain regular contact with relatives in the US.

Business and Professional Calls

Companies and professionals in Vietnam coordinate with US-based partners, suppliers, and clients across different time zones.

Friends and Social Networks

Students, expats, and individuals maintain friendships and social ties with peers living and studying in the United States.

CLEAR PRICING

Transparent Rates to the United States

Sayfone charges a straightforward per-minute rate to both US landlines and mobile phones, with no setup fees, no hidden charges, and no minimum call duration.

A 20-minute call to a US landline or mobile costs just $1.60 with Sayfone. Browser-based calling means you can place calls from any device with internet—no special hardware or subscriptions needed.

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Sayfone Rates to the United States

Destination	Type	Rate/min
United States	Landline	8¢/min
United States	Mobile	8¢/min

Rates are per minute of call time. No setup fees or minimum call duration required.

QUICK SETUP

Three Steps to Connect

Calling the United States from Vietnam is simple: open Sayfone in your browser, enter the US number, and start talking.

Instant access

Step 1

Open Sayfone

Visit Sayfone in your web browser—no app download, no account setup required before you start.

Dialer

+00 000 000 00

123

Start Calling Now

Step 2

Enter the US Number

Type in the US phone number (including area code) and review the rate displayed on the screen.

HD audio from your browser

Step 3

Press Call and Connect

Confirm the number and click call. You'll be connected instantly to landlines and mobiles across the United States.

REAL TALK

Common Calling Challenges from Vietnam

While calling the US from Vietnam is straightforward with Sayfone, understanding potential obstacles helps you plan better calls.

Time Zone Difference

Vietnam is 12–13 hours ahead of US time zones. Plan calls during overlap hours: early morning Vietnam time (evening US East Coast) or late evening Vietnam time (morning US West Coast).

Internet Connection Quality

Call quality depends on your internet connection. Use WiFi when possible for stable, uninterrupted calls; mobile data works but may be less stable depending on your provider.

US Area Codes and Formats

US numbers are 10 digits (area code + 7-digit local number). Always include the full number; Sayfone handles dialing, but entering the complete number ensures correct routing.

Estimate

Estimate savings on one call to🇺🇸United States

Pick duration and line type to see what you keep in your pocket versus typical retail rates.

I'm calling…

Country

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Call type

Call duration12 minutes

1 min10 min20 min30 min40 min50 min1 hr

Enable enterprise discount

Save additional 40% (enterprise)

Your call

Your call will cost

$0.96

$0.080 per minute

Sayfone$0.96$0.080 / min

Competitors$2.40$0.20 / min

Your savings$1.44$0.12 / min

That's 60% less than competitors

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CALLING TIPS

Timing, Etiquette, and Smart Calling Strategies

Master the Vietnam-to-US calling experience with timing guides, practical tips, and professional etiquette best practices.

Time & windows

Best for US East Coast

6:00 AM – 9:00 AM Vietnam

6:00 PM – 9:00 PM previous day (EST/EDT)

Best for US Central

7:00 AM – 10:00 AM Vietnam

7:00 PM – 10:00 PM previous day (CST/CDT)

Best for US West Coast

9:00 AM – 12:00 PM Vietnam

9:00 PM – 12:00 AM previous day (PST/PDT)

🇻🇳Early morning (6:00 AM – 9:00 AM Vietnam time)

Evening previous day on US East CoastGood for after-work calls; less likely to disturb sleep.

🇻🇳Late evening (8:00 PM – 11:00 PM Vietnam time)

Morning same day on US West CoastIdeal for reaching West Coast contacts before their workday ends.

🇻🇳Midnight – 6:00 AM Vietnam time

Business hours on US East Coast (9:00 AM – 3:00 PM)Best for professional/business calls; catches full working day coverage.

Calling tips

Test your internet connection before important calls; use WiFi for best stability.
Keep a list of US area codes and contact time zones handy to avoid miscalls.
Check daylight saving time transitions (US observes DST March–November); verify times before scheduling recurring calls.
Use speaker phone or headset to free your hands and improve audio clarity.
Schedule regular calls during consistent time windows to establish a routine for both parties.

Business etiquette

Begin with clear introductions and confirm you have reached the correct party before launching into conversation.
Be mindful of call duration and frequency; agree on preferred communication times with regular business contacts.
For sensitive discussions, confirm call quality and ask your contact to repeat critical information to ensure accuracy.
Send a follow-up email summarizing key points, decisions, or action items discussed during the call.
Respect business hours; avoid calling outside 9:00 AM – 5:00 PM the recipient's local time unless pre-arranged.

MAJOR US CITIES

Calling Major US Cities from Vietnam

Reach friends, family, and colleagues in the United States' largest cities with the same transparent 8¢/min rate to all US landlines and mobiles.

New York City

Call United States from Vietnam

Reach contacts in the financial capital and major cultural hub. NY is in Eastern Time, making early-morning Vietnam calls ideal for evening New York connections.

Best time to call from Vietnam: 6:00 AM – 9:00 AM Vietnam (6:00 PM – 9:00 PM previous day ET)

Los Angeles

Call United States from Vietnam

Connect with West Coast friends and family. LA operates on Pacific Time, three hours behind the East Coast, allowing Vietnam evening calls to catch West Coast morning and afternoon hours.

Best time to call from Vietnam: 9:00 AM – 12:00 PM Vietnam (9:00 PM – 12:00 AM previous day PT)

Chicago

Call United States from Vietnam

Reach the Midwest on Central Time. Chicago is one hour behind the East Coast, making it accessible from mid-morning through late-afternoon Vietnam time.

Best time to call from Vietnam: 7:00 AM – 10:00 AM Vietnam (7:00 PM – 10:00 PM previous day CT)

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