Is it now/ever proper usage to place a period behind a zip code number?

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Request for Question Clarification by kriswrite-ga on 04 Feb 2004 09:36 PST

In what context? When you are addressing a letter? Or when you are
listing an address within a sentence?

Kriswrite

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Clarification of Question by eskimodog-ga on 04 Feb 2004 12:05 PST

When addressing a letter.

Hi eskimodog~

According to the U.S. Postal Service, the correct way to address a
letter does *not* include a period after the ZIP code, and never has.

For more information about the history of the ZIP code, check out
"Publication 100: The United States Postal Service: An American
History," at http://www.usps.com/cpim/ftp/pubs/pub100/pub100.htm

For tips on how to properly address a letter or package, see
"Addressing Tips and Tools," at the USPS website:
http://www.usps.com/send/preparemailandpackages/labelsandaddressing/usingthecorrectaddress.htm

Regards,
Kriswrite

RESEARCH STRATEGY:
A search at the U.S. Postal Service website

There should be no period in the inside address either (the one on the
letter, as opposed to the envelope).

Date

Recipient
Address
City, State 99999-1234

Dear Recipient: (Note: use comma instead of colon for non-business letters)

Blah, blah, blah.

Sincerely,
Sender