noun
adjacent message area
Technical computing term for a contiguous billing zone in telecommunications, such as a neighboring local calling area.
隣接単位料金区域への通話は、市内通話と同じ料金でかけられます。
Calls to an adjacent message area can be made at the same rate as local calls.
Compound of 隣接 (adjacent), 単位 (unit), 料金 (fee), and 区域 (area). A technical term formed from standard Sino-Japanese elements.