* The following abbreviations are used for standard NVI-'denominations'. Unless otherwise noted all Norwegian NVI-stamps are valid for postage up to 20 g.
A A-post - Inland priority mail (until 2018 - teherafter valid as I)
B B-post - Inland economy mail (until 2018 - teherafter valid as I)
E Europa - Europe priority mail
I Innland - Inland standard mail (before 2018 only postal stationary, from 2018 also stamps)
N Nordic Countries - standard letter or postcard to Denmark, The Faeroes, Finland, Greenland, Iceland,
Sweden, or Åland (only postal stationary)
V Verden - World priority mail