Show Zip Codes will be listed in telephone books Zip Code mailing information is being included in new 1967 telephone directories as a service ser-vice of the Mountain States Telephone Co. in cooperation with the U.S. Postal Service. The telephone manager said the Zip Code information is printed on page 1 of the Yellow Yel-low Pages classified section. Listings are provided for thc-main thc-main exchange area and neighboring neigh-boring communities. Instructions are also given or the Zip Code page for customers custo-mers who need additional mailing mail-ing information on locations outstide the directory area . Delivery date for directories in this area is Sept. 16. |