About: po boxes

Premodifier: po
Head noun: boxes

Same concepts
http://dbpedia.org/resource/Post-office_box

Broader concepts

label	provenance	confidence
military address	isap:224251169	0.638563
us territory	isap:334467514	0.610633
address	isap:224251168	0.386629
world	isap:367551446	0.381632
country	isap:231584969	0.347769

Narrower concepts

label	provenance	confidence
puerto rico	isap:92028627	0.634961