1. Access numbers. Toll free.
(FAQ/Phone cards FAQ)

... be, however, a surcharge for using toll free access number in case the phone card you use also offers a local access.  Most of the time the surcharge is very small; you still get a very low per minute ...

2. AT&T phone card
(Russia/Phone cards to call Russia)

...  No connection fee No expiration Refillable card No service taxes and surcharges Why purchase the AT&T phone card In comparison with many other phone cards offered on Russia ...