local call vs phone call

local call and phone call both are nouns.

Word	Noun	Adjective	Verb	Adverb
local call	Yes	No	No	No
phone call	Yes	No	No	No

As nouns, phone call is a hypernym of local call; that is, phone call is a word with a broader meaning than local call:

Other hypernyms of local call include call, telephone call.

local call (noun)	phone call (noun)
a telephone call made within a local calling area	a method of contacting a person by phone