Numbers starting with 0800, 800, 1-800 are usually toll-free for the caller; the called party, however, has to cover the charges on those calls.
ATTelecom
ATTelecom is a leading worldwide wholesale carrier of International VoIP (voice calls over the Internet) traffic termination, CallBack service and Prepaid Calling Cards. We are the carrier of choice to many businesses around the world who seek high qualit
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