International Long Distance Calling (Vietnamese)

Authored By: Federal Communications Commission -- Consumer and Governmental Affairs Bureau
Read this in:
Arabic / العربية
English
Spanish / Español
French / Français
Hebrew / עברית
Hindi / हिन्दी
Japanese / 日本語
Korean / 한국어
Russian / Pусский
Tagalog / Tagalog
Chinese / 中文

Link: www.fcc.gov