単たん位い料りょう金きん区く域いき

noun

message area; MA

A telecommunications term for a charging zone where calls are billed at a uniform rate; often abbreviated as MA.

• 単たん位い料りょう金きん区く域いき（MA）は、市し内ない通つう話わ料りょう金きんが適てき用ようされる地ち域いきを指さします。

  A message area (MA) refers to a region where local call rates apply.