Yes, I know.
1) Taxes will be applied to every minute you call. I.e. they say calling rate is 10 cents / min and tax is 15%, then the charged rate is 11.5 cents / min.
2) Surcharge. There are some surcharges, like connection fee, maintenance fee.
Connection fee will be charged every time the call is established.
Maintenance fee will be charged some time regularly, the first charge is within 1 day after your first call, the subsequent charge period will be 1 week or 2 weeks depending on calling card company.
3) Rounding. It is a factor to affect your calling minute.
All these surcharge rules can be found on the post of calling card. If you buy online, you can find them on the website.
Calling from USA to UK cell phone, the best rate is 12.3 cents/min with maintenance fee, or 14.1 cents/min without maintenance fee. NO connection fee at all.
Check the following link to compare and find the best calling card.
· 1 decade ago