ORA-06502: PL/SQL: numeric or value error: character to number conversion error byTechdoc •Thursday, November 13, 2025 This is a very common Oracle issue when handling mobile numbers stored in a numeric field . Let’s go step by step on why it happens and how to avoid ORA-06502 safely 👇 ⚠️ Why the Error Happens If a mobile number is stored or entered as a char…
