ˌɛnwˈaɪ θɹˈiːhˈʌndɹɪd ˈeɪɾi θɹˈiː bɪɡˈɪnz æɾ ɐn ˌɪntɚsˈɛkʃən wɪð ˌɛnwˈaɪ θˈɜːɾi sˈɪks ɪnðə hˈæmlɪt ʌv mˈʌmfɚd, loʊkˈeɪɾᵻd dʒˈʌst nˈɔːɹθ ʌvðə bˈoːɹdɚ bᵻtwˌiːn mˈɔnɹoʊ ænd lˈɪvɪŋstən kˈaʊntiz ɪnðə tˈaʊn ʌv wˈiːtlənd.
NY 383 begins at an intersection with NY 36 in the hamlet of Mumford, located just north of the border between Monroe and Livingston Counties in the town of Wheatland.