This morning Sprint announced a partnership with Oblio Telecom to Distribute Sprint private label prepaid international cards. Sprint will be offering 25 private label prepaid international cards at first. Oblio Telecom has a large retail network here in the US and in Puerto Rico. No further details were given in the press release.
Update: These pre paid calling cards are not intended for use as a “wireless pre paid plan”. Although they can be used to call to and from cellphone’s, But the rate’s may be higher.