+44 (rid as Plus Forty-four) na bin wan Amɛrikin rok sup grup we dɛn bin mek na Los Anjɛlis, Kalifɔnia insay 2005. Di grup bin gɛt vokalist ɛn basist Mak Hoppus ɛn drɔma Travis Barker we de na Blink-182, lida gitaris Shane Gallagher we de na The Nervous Return , ɛn wan pɔsin we de ple ritm gita we nem Kreg Faybɔ we de ple wit Mɛsi Kilɛrs. Hoppus ɛn Barker bin mek +44 jɔs afta di fɔs 2005 brek-ap fɔ Blink-182 ɛn bifo dɛn leta rifɔm am. Di band in nem de rifer to di intanashona dialing kod fo United Kingdom, di kontri we di tu pipul fos tok abaut di projek. Fɔs rikodin dɛn bin bɔku pan dɛn na ilɛktronik in nature, ɛn dɛn bin gɛt vokal dɛn we Carol Heller bin de ple, we bin de na di ɔl-gayl pank kwata we dɛn kɔl Get the Girl.
Di band in sawnd bin tek wan hevi tɔyn smɔl smɔl as Hoppus ɛn Barker bin bay wan stɔdiɔ usay dɛn go rɛkɔd. Pan ɔl we di myuzik prɛs bin de tink bɔt am, di wan ol albɔm we di band bin gɛt–When Your Heart Stops Beating (2006)—nɔ bin du di kɔmɛshɔn ɛkspɛkteshɔn ɛn i bin gɛt miks rivyu frɔm di wan dɛn we de kɔmɛnt. Di grup bin go waka ɔlsay na di wɔl ɔlsay na 2006 ɛn 2007, inklud wan sɔma slot na di Hɔnda Sivik Tur nia Fɔl Ɔt Bɔy. Hoppus leta bigin fɔ pripia matirial fɔ wan solɔ albɔm, put plan fɔ wan sɛkɔn +44 albɔm na hold insay 2008, ɛn di grup ɛnta wan ɛkstend hiatus wit di riyunin fɔ Blink-182 insay 2009.