What does accountable mail mean?

Here's a list of possible definitions for the term accountable mail:


Wiktionary

  1. accountable mail(Noun)

    A category of mail in the US Postal Service including registered, numbered, insured, and certified mail.

Numerology

  1. Chaldean Numerology

    The numerical value of accountable mail in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of accountable mail in Pythagorean Numerology is: 6



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