National Five Digit Zip Code and Post Office Directory 

 - Washington, D.C.  : United States Postal Service  , c1983. 
 - 2082 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Postal Service<br/>Zip Code--- Postal Service
<br/><br/><label>Dewey Class. No.: </label>REF 382 UNI