Private use area

Private use area may refer to:


 * ISO/IEC 10646 / Unicode Private Use Areas
 * ISO 639-3 Private Use Area: qaa to qtz
 * ISO 15924 Private Use Area: Qaaa to Qabx
 * ISO 3166-1 alpha-2: AA, QM-QZ, XA-XZ, ZZ
 * Address space in internet addressing for private networks