Viapin - Phone Cards & Calling Cards  
Offers a large portfolio of international phone cards clear of hidden fees with local access numbers and national toll free access, pinless dialing, online management and rechargeable features to place long distance calls from US and Canada.
Details www.viapin.com

World Phone Card  
Online provider of calling cards and phone cards at the lowest rates. Offers fast, clear world-wide calling cards. All it takes is a few moments to register. Look around, compare rates on phone cards, and feel secure.
Details www.worldphonecard.com