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CSR stands for customer service record. A CSR is a document detailing all the legal ownership attributes of a phone number.
It includes items such as authorized signer and service address.
The Federal Communications Commission (FCC) protects the rights of phone customers. Your provider cannot deny you a CSR, nor can they block the port of your number.
Steve Wozniak
Co-Founder of Apple
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Steve Wozniak
Co-founder at Apple
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