Similar to 日本における市外局番の変更

List of regions of Japan

School district

Municipal mergers and dissolutions in Japan

Manchester Mark 1

Manchester Baby

Marmalade (software)

MILF pornography

List of first overall Major League Baseball draft picks

Mozilla Persona

MRI contrast agent

National Basketball League of Canada

List of NCIS: Los Angeles episodes

NetLogo

Never Let Me Go (TV series)

National Football League

NGC 206

NGC 520

NGC 1300

NGC 1316

NGC 2403