Directory Of Post Officers : 

 - Washington:      ;  1967. 
 - V.p.:  ill. picture.;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Postal zone charts<br/>The zip code system
<br/><br/><label>Subjects--Geographic Terms: </label><br/>USA
<br/><br/><label>Gov. Doc. Class. No.: </label>R 060.383 USPOD