501: Not Implemented
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Others
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Frequently Asked Questions:
What is the full form of 501?
501 stands for Not Implemented. Fullformexpand.com has 2 other full forms for abbreviation 501.
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"501." Fullformexpand.com, https://www.fullformexpand.com/501/151466. Accessed 3 Feb. 2026.
Fullformexpand.com, 2026. "501." Accessed February 3, 2026. https://www.fullformexpand.com/501/151466.
"501." (n.d.). Fullformexpand.com. Retrieved February 3, 2026, from https://www.fullformexpand.com/501/151466.
501. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/501/151466 (Accessed: 3 February 2026).
Found 2 other full forms for 501 →
| Term | Full Form | Category |
|---|---|---|
| 501 | Arkansas - Central (Little Rock)
| Others |
| 501 | Belize
| Others |
View All Abbreviations →
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