Does dialing *31# before a number hide my caller ID?

Yes, on most US carriers *67 hides your number for that one call, and *31# is the equivalent code in many European GSM networks. The receiver sees "Unknown" or "Private" instead of your digits. Caller ID blocking doesn't work when calling toll-free numbers (1-800, 1-888) or emergency services, which capture your number regardless. On browser-based services like World Dialer, you can set the outbound caller ID separately, which avoids the per-call code entirely.

Is the AT&T $15 International Plus add-on worth it for one call?

No. AT&T's International Day Pass costs $12 per day per line and only activates while you're roaming abroad, not for calling out from the US. Their International Calling add-on runs $15 per month for discounted rates to select countries. Either way, a single 10-minute call costs you at least $12-15 plus the rate, versus 40 cents on a pay-as-you-go browser service. Subscriptions only make sense if you call internationally more than three or four times a month.

Can I call internationally for free if both sides have WhatsApp?

Yes, WhatsApp and FaceTime calls between two app users are free over WiFi or data, regardless of which country either person is in. The catch is both ends need the same app installed and signed in. You can't call a bank, a hotel, an embassy, or the IRS through WhatsApp because those institutions don't have WhatsApp lines. For person-to-person it works fine. For landlines, you need a paid service.

Are prepaid international calling cards still a decent option?

Rarely. The rates printed on the card almost never match what you actually pay. Calling cards add a connection fee (typically 50 cents to $1.50), a per-minute maintenance fee, and round up to the nearest minute or three-minute block. A $10 card advertising 200 minutes to Mexico might deliver 60 actual minutes. Browser-based services like World Dialer at $0.04 a minute, or Yolla on its own pay-as-you-go rates, beat almost every calling card sold at a gas station in 2026.

Will my US phone make international calls automatically?

Usually yes, but it depends on your account. Most US carriers enable international dialing by default on postpaid plans, charging $1 to $5 per minute depending on the country. Prepaid plans (Mint, Cricket, Visible) often disable international dialing entirely and require you to add a feature pack. Check by dialing +1 to your own number from a friend's phone, or call your carrier and ask if "international long-distance" is active on the line.

How to Call Internationally Without a Plan

You don't need a monthly plan to make an international call. You've got at least five options right now, ranging from free to "your carrier is robbing you blind." The fastest, cheapest route for a one-time international call: browser-based services that charge pennies per minute with no subscription required and no app.

Here's every option, what it actually costs, and how long before you're talking.

Your Options at a Glance

Five ways to call abroad without a plan, ranked by what a 10-minute call will cost you:

Method	Cost (10-min call)	Setup Time	Subscription?
Browser-based (e.g., World Dialer)	$0.40	~1 min	No
VoIP app (Skype Credit)	Varies + connection fee	10-15 min	No
Prepaid calling card	Varies + hidden fees	5-30 min	No
Carrier add-on plan	$10-15/mo minimum	5-10 min	Yes
Carrier pay-per-minute	$10-50	0 min	No

Read that last row again. Your carrier will happily let you dial an international number right now. They'll just charge you $1 to $5 per minute for it.

Just Dial It (And Pay Carrier Rates)

Your phone can make an international call right now — your carrier just charges $1 to $5 per minute for the privilege. AT&T charges up to $3/minute for many countries. T-Mobile hits $3-5/minute. Verizon ranges from $0.49 to over $3 depending on where you're calling.

A 10-minute call to sort out a bank issue? That's $10 to $50. For a phone call.

This is the "I don't care what it costs, I need to call now" option. If that's you, just dial. But if you've got 60 seconds to spare, keep reading.

Browser-Based Calling: No App, No Plan, No Hassle

Browser-based calling services let you make international calls from any device with a web browser. No download. No subscription required. Open the page, enter the number, add a few dollars of credit, and call.

World Dialer charges $0.04/minute to US landlines. That 10-minute call that costs $30 on your carrier? Forty cents. You don't need to install anything or remember to cancel a plan next month.

Other browser-based options exist too. PopTox offers free calls with limited minutes and quality. ZippCall and HelloAirDial offer pay-as-you-go rates to 200+ countries with credits that don't expire.

The appeal is speed. You're making a call in under two minutes from first click, with no app cluttering your phone afterward.

VoIP Apps: Cheap but Not Instant

VoIP apps like Skype offer low per-minute rates, but you'll spend 10-15 minutes downloading the app, creating an account, and adding a payment method before your first call.

Skype Credit works on a pay-as-you-go basis — no subscription required. Rates vary by country, and there's a connection fee on every answered call. It's cheaper than your carrier, but it's not "open a browser and go" fast.

WhatsApp and FaceTime are free, but only for app-to-app calls. If you're calling a landline — a bank, a government office, a business — they won't help. The person on the other end needs the same app, and the IRS isn't on WhatsApp.

If you make international calls regularly, a VoIP app is worth the initial setup. For a one-time call, the setup eats into the convenience.

Carrier Add-Ons and Calling Cards

Carrier international add-ons cost $10-15/month and give you discounted rates or unlimited minutes to select countries. AT&T's International Add-On runs $10/month for 250 minutes. T-Mobile's Stateside International Talk is $15/month for unlimited landline calls to 70+ countries.

The catch: you're paying for a monthly plan to make one call. And you need to remember to cancel it.

Prepaid calling cards still exist, mostly at gas stations and convenience stores. They come with connection fees, maintenance charges, and rates that rarely match what's printed on the package. They made sense in 2005. There are better options now.

Which Option Is Right for You?

For a single call you need to make today, a browser-based service gives you the best mix of speed and price. Here's the breakdown by situation:

One call, right now, no setup: Just dial on your carrier. Eat the cost.
One call, got 60 seconds: Open a browser-based service. Pay pennies.
Regular international calls: Set up a VoIP app like Skype. The initial setup pays off over time.
Calling one country often: Check if your carrier's add-on plan covers it.

For most people reading this — the "I need to make one international call and I don't want a subscription" crowd — browser-based calling is the answer. Minimal setup, minimal cost, zero commitment.

Skip the Plan. Make the Call.

You came here because you need to make an international call without signing up for something. Fair enough.

World Dialer does exactly that. $0.04/minute to US landlines. Works in your browser. No app to download, no subscription required, no plan to manage. Add a few dollars of credit and call.

That's it. We'll be here next time you need us.

Try WorldDialer