Main Page | See live article | Alphabetical index PTT may stand for: Postal Telegraph and Telephone (several) Postal Telephone and Telegraph (several) Public Telegraph and Telephone (several) Public Telephone and Telegraph (several) Ministry of Post, Telegraph and Telephone (Iran) Part task trainer (military) Partial Thromboplastin Time Partido Trabalhista Timorense Poste, Téléphone et Télécommunications (France) Protein Truncation Test Push to talk This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.