Definition of ESN abbreviation from the Oxford Advanced Learner's Dictionary

 

ESN

 abbreviation
abbreviation
BrE BrE//ˌiː es ˈen//
 
; NAmE NAmE//ˌiː es ˈen//
 
Mobile devices
 
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electronic serial number (an identity number for a mobile/cell phone) See related entries: Mobile devices
See the Oxford Advanced American Dictionary entry: ESN