[Talk-us] Boundaries of cities used in postal addresses?

[Nathan Edgars II]

On Fri, Nov 12, 2010 at 9:02 AM, Richard Welty <rwelty at averillpark.net> wrote:
> i guess it's like any other admin boundary, it's subject to change.
> who is going to maintain it, or will it be allowed to slowly
> deteriorate and become obsolete? if the rate of change is low,
> maybe that's not an issue.

How frequently does a piece of land change postal place name (not zip
code)? Does this usually happen only with a new community?