call up vs dial

call up and dial both are nouns.

Word	Noun	Adjective	Verb	Adverb
call up	Yes	No	Yes	No
dial	Yes	No	Yes	No

call up (noun)	dial (noun)
an order to report for military duty	the face of a timepiece; graduated to show the hours
	a disc on a telephone that is rotated a fixed distance for each number called
	the circular graduated indicator on various measuring instruments
	the control on a radio or television set that is used for tuning

call up (verb)	dial (verb)
recall knowledge from memory; have a recollection	choose by means of a dial
get or try to get into communication (with someone) by telephone	operate a dial to select a telephone number
bring forward for consideration
call to arms; of military personnel
cause to become available for use, either literally or figuratively