Stop duplicating the postal code prefix in the format

[bojanz]

If the postal code prefix is already declared ("postprefix"), there is no need to also have it in the format string ("fmt").

Postal code prefixes are usually appended only for international mail, so not having the prefix in the format string would allow a formatter to choose when to add the prefix (for international, but not domestic sending, etc).

[sockix]

When you say "formatter", what are you using to format? Are you using getFullEnvelopeAddress within the Android widget?