A concurrent resolution expressing the sense of the Congress with regard to the number of digits which should be used as ZIP Codes or other codes used for mail delivery.

[AI summary unavailable — showing source text] Expresses the sense of Congress that the United States Postal Service should not increase the number of digits of the zip code until: (1) the Service and the Congress have fully examined the costs, social consequences, and technical issues associated with such action; and (2) the Service has fully examined other means of improving productivity in the sorting of mail.…