Knowing how to check your cell number is useful if you have forgotten your number, are using a new SIM card, or need to give your number to someone. There are several simple ways to find your mobile number, including checking your phone settings, calling another phone, or using your mobile network’s number-checking service. Your mobile number may be stored in your phone’s SIM or device settings. Send a messageAsk the recipient to check your numberSave the number for future useCheck Your SIM or Account InformationYour mobile number may be included on your SIM packaging, registration documents, or mobile network account. Check your SIM documentationReview your mobile accountConfirm the number displayedContact Your Mobile NetworkIf you cannot find your number using the methods above, contact your mobile network’s customer service team.