off base vs wrong number

off base

prep
  • Mistaken; misguided; somewhat wrong in opinion or judgment. 

  • Positioned somewhere between the bases, and hence vulnerable to being caught out. 

  • Incorrect or inappropriate; not properly executed, envisioned, or understood. 

  • Situated or happening outside the boundaries of a military base. 

wrong number

noun
  • A telephone number dialled by mistake, for example by transposing digits. 

  • A telephone call received from an unfamiliar caller, due to a mistake in the number dialled. 

How often have the words off base and wrong number occurred in a corpus of books? (source: Google Ngram Viewer )