Private use area
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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#User-assigned code elements: AA, QM-QZ, XA-XZ, ZZ
- Address space in internet addressing for private networks