HSTO: Higher Standard Telephone Operators
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Others
Language: English
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What is the full form of HSTO?
HSTO stands for Higher Standard Telephone Operators. Fullformexpand.com has 6 other full forms for abbreviation HSTO.
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"HSTO." Fullformexpand.com, https://www.fullformexpand.com/hsto/38338. Accessed 22 Nov. 2025.
Fullformexpand.com, 2025. "HSTO." Accessed November 22, 2025. https://www.fullformexpand.com/hsto/38338.
"HSTO." (n.d.). Fullformexpand.com. Retrieved November 22, 2025, from https://www.fullformexpand.com/hsto/38338.
HSTO. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/hsto/38338 (Accessed: 22 November 2025).
Found 6 other full forms for HSTO →
| Term | Full Form | Category |
|---|---|---|
| HSTO | Harvard Student Telephone Office
| Others |
| HSTO | High Speed Transient Offtracking
| Others |
| HSTO | High Standard Tourism Operator
| Others |
| HSTO | Highway Safety and Traffic Operations
| Others |
View All Abbreviations →
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