關於「ESN number」標籤，搜尋引擎有相關的訊息討論：

Locating ESN or MEID Numbers on Handsets - Verizonwww.verizon.com › ... › How to UseWhat is an ESN Number? - BuyBackWorldbuybackworld1.zendesk.com › en-us › articles › 3600423...How to Find the IMEI / MEID / ESN / Serial Number - Cell Brokeragewww.cellbrokerage.com › find-imei-