Number Assignment Module

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Number Assignment Module (NAM)[1] is an electronic memory in a cellular phone that stores the telephone number, international mobile subscriber identity and an Electronic Serial Number. Phones with dual- or multi-NAM features offer users the option of registering the phone with a local number in more than one market.

## References

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1. ^ "NAM definition (Phone Scoop)". phonescoop.com. Retrieved 9 July 2025.

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