
International Calling Cards: How They Work and What to Watch For
An international calling card is prepaid credit for calls abroad. You buy it for a fixed amount, such as $5 or $10, dial the card's access number, enter a PIN, then dial the overseas number. You can still buy them in US convenience stores and online, and many cards now come as a PIN by email or a "PINless" account linked to your phone number.
Cards can be very cheap per minute. They can also lose much of their value to fees that are only printed on the back. This guide covers how to use one, where to buy one, the catches to check before you pay, and what a call to Mexico, India, the UK, the Philippines or Colombia costs on a card versus the alternatives.
How an international calling card works
Every calling card follows the same three-part dialing sequence. You are making two calls in one: first a call to the card company, then the card company places your international call.
- Dial the access number. It is printed on the card or in your purchase email. There is usually a local access number for your city and a toll-free 1-800 number.
- Enter your PIN when the system asks. PINless accounts skip this step: the system recognizes the phone number you registered and goes straight to step 3.
- Dial the international number: 011, then the country code, then the number. For example, a Mexico City number is 011 52 55 1234 5678, an Indian mobile is 011 91 98765 43210 and a London number is 011 44 20 1234 5678. Most systems then ask you to press # or wait.
Before the call connects, the system usually announces your balance or the minutes left for that destination. That announcement is your first check: if the minutes are far lower than the card advertised, fees or a higher mobile rate are already being applied.
The US Federal Communications Commission's guide to prepaid phone cards describes the same flow: you call a local or toll-free access number, enter a PIN, then dial the number you want.
Where can you buy a calling card in the US?
You have three main options:
- Corner stores and gas stations. Physical cards and printed PIN receipts are still sold in convenience stores, grocery stores, gas stations and newsstands, often near the register, with posters advertising minutes to specific countries. Paying cash is the main advantage.
- Online sellers. Calling card websites email you a PIN right after you pay, and most let you register your phone numbers for PINless dialing and top up the same account later. This is how most cards are sold now.
- Calling apps that grew out of cards. Several card companies now run apps that dial through the same account, so you can call from your contacts without typing access numbers. Some also keep access numbers for basic phones and landlines.
Some US prepaid phone brands also sell a global calling add-on that works like a card on your existing line. Check what it covers, how long the balance lasts and whether calls to mobiles cost more.
The fine print: what to check before you buy
Calling cards are cheap to make and easy to sell, and that has attracted some dishonest sellers. The Federal Trade Commission has sued card distributors several times. In one 2013 case, the FTC said the cards it tested delivered on average only 40 percent of the minutes promised. Most sellers are not like that, but the same fee patterns show up again and again, and you can spot them before you buy.
A September 2008 FTC statement to Congress quoted the small print from a real card poster. It is a good map of what to look for:
| Catch | What the fine print said | What it does to your card |
|---|---|---|
| Maintenance fee | "A weekly maintenance fee ranging between .49 and .79" | Drains the balance even when you do not call |
| Hang-up or connection fee | "A hang-up fee between .05 and $1 depending upon length and destination of the call" | Every short call costs extra |
| Destination surcharge | "A destination surcharge of between 0% and 100%" | The advertised rate can double |
| Rounding | "Minutes and/or seconds are rounded to multiple minute increments" | A 4-minute call can be billed as 6 |
| Mobile rates | "International calls made to cellular phones are billed at higher rates" | Advertised minutes often mean landlines |
| Access number fee | "Toll free access numbers are subject to an additional fee of up to 4 cents per minute" | Using the 1-800 number costs more per minute |
| Expiry | "Card expires 3 months after first use or 12 months after activation" | Unused minutes disappear |
How fees turn a cheap card into an expensive one
Here is a made-up but typical example to show the math. Say a $5 card advertises 2¢ a minute, which sounds like 250 minutes. Its fine print adds a 39¢ connection fee per call, rounds every call up to the next 3-minute block and takes a 49¢ maintenance fee each week.
In the first week you make five 4-minute calls home, so 20 minutes of talking:
- Each 4-minute call is billed as 6 minutes: 30 minutes at 2¢ = 60¢
- Five connection fees at 39¢ = $1.95
- One weekly maintenance fee = 49¢
- Total: $3.04 for 20 minutes, or about 15¢ for each minute you actually talked
The card was advertised at 2¢ a minute and actually cost more than 7 times that. Long calls on cards with no connection fee come out much closer to the advertised rate, which is why the fine print matters more than the headline number.
A quick checklist
Based on the FCC's and the FTC's advice for consumers (FTC tips, 2010):
- Read the back of the card or the terms page before you pay, not after.
- Look for any connection, hang-up, maintenance or "post-call" fee.
- Check the billing increment: 1 minute, 3 minutes or more.
- Check whether the advertised minutes apply to one long call or to many calls.
- Check the rate to mobiles, not just landlines, in the country you call.
- Check whether the local and toll-free access numbers cost the same.
- Check the expiry date, and whether the clock starts at purchase or at first use.
- Prefer a card with a toll-free customer service number.
- Buy a small card first. If something goes wrong, you lose less.
If a card does not deliver what it promised, contact the card's customer service first. If that fails, you can file a complaint with the FCC or the FTC.
What a call costs: card versus browser calling
This table compares the published pay-as-you-go rates of one large card company, Boss Revolution, with BoraPhone, which calls phone numbers from a web browser. Boss Revolution rates are a snapshot from its own rate table as of July 2026 and do not include its 1.5¢ a minute toll-free access surcharge. BoraPhone rates are at the time of writing (October 2026).
| Destination | Boss Revolution PAYG (July 2026) | BoraPhone landline | BoraPhone mobile | 10 minutes on BoraPhone |
|---|---|---|---|---|
| Mexico | 1.9¢ a minute | $0.04 | $0.11 | $0.40 landline, $1.10 mobile |
| India | 3.3¢ a minute | $0.11 | $0.11 | about $1.11 |
| United Kingdom | 2¢ a minute | $0.04 | $0.07 | $0.40 landline, $0.70 mobile |
| Philippines | 13¢ landline, 15.1¢ mobile | $0.46 | $0.65 | about $4.61 landline, $6.50 mobile |
| Colombia | Check the card's rate table | $0.09 | $0.09 | $0.90 |
Read that table honestly. On headline per-minute rates, a good card or calling app is cheaper than BoraPhone to every country listed, and much cheaper to India and the Philippines. If you call one country for long stretches every week, a reputable card or app bundle for that country will usually cost less. Compare countries on our international calling rate index.
Where a browser call makes more sense is short, occasional or urgent calls, where card fees and rounding hurt the most. BoraPhone has no connection fees, no maintenance fees and no access numbers. It bills per minute (rounded up to the next full minute), the exact rate shows before you dial, failed calls are refunded, and top-ups start at $5. It runs in Chrome, Edge, Safari or Firefox, so you can call from a laptop as well as a phone, and your first call is free.
When a calling card is still the right choice
- You pay in cash. Store-bought cards are one of the few ways to call abroad without a bank card.
- You call from a landline or a basic phone. Access numbers work from any phone, with no smartphone or internet needed.
- You call one country often and for a long time. Long calls dilute per-call fees, and country bundles can be very good value if you use them fully.
- The person you call has no internet. Cards ring real phone numbers, including landlines, which WhatsApp and similar apps cannot.
For more on prepaid options, see our guides to prepaid international calls, calling cards for Mexico and calling cards for India, and our breakdown of hidden fees in cheap calling apps.
Frequently asked questions
Do they still sell international calling cards?
Yes. Physical cards and printed PINs are still sold in many US convenience stores, grocery stores and gas stations, and online sellers deliver a PIN by email in minutes. Many card companies now also offer PINless dialing and apps that use the same prepaid balance.
How do you use a calling card?
Dial the access number on the card, enter the PIN when asked, then dial 011, the country code and the number. With a PINless account, the system recognizes your registered phone number and skips the PIN. Listen to the balance announcement before the call connects so you know how many minutes you really have.
Do calling cards expire?
Many do. Some expire a set number of months after purchase, others a set time after your first call, and some charge maintenance fees that empty the balance over time. The expiry rule should be printed on the card or in the terms, so check it before you buy.
Why did my calling card run out so fast?
The usual reasons are connection or hang-up fees on each call, rounding to 3-minute or longer blocks, a higher rate for calls to mobiles, a surcharge for using the toll-free access number, or a weekly maintenance fee. Many short calls on a card with per-call fees drain the balance fastest.
Where can I buy an international calling card near me?
Try convenience stores, gas stations and grocery stores, especially in neighborhoods with large immigrant communities, where cards for specific countries are often advertised at the register. If there are none nearby, buying online is usually quicker: you get the PIN by email and can use it right away.

Written by
Serpius DentoSerpius works with communication and customer relations at BoraPhone. With hands-on experience helping users navigate international calling, he writes practical guides based on real conversations with customers worldwide.
Recent Posts

Optus International Calls: Add-ons, Rates and What's Included
Optus international calls are included to 35 countries on most SIM plans. Add-ons cost A$10 or A$20; pay as you go is about A$1 to A$2.50 a minute.

EE International Calls: Rates, Add-ons and the Cheapest Option
On EE pay monthly, international calls cost £4.64/min to India or the USA without an add-on. The £2.50 International Pass cuts that to 3p.

Phone Plans With International Calling: What US Carriers Include
Phone plans with international calling compared: what AT&T, Verizon, T-Mobile, Google Fi, Cricket, US Mobile and Mint include, and what add-ons cost.