How many ways are there to say phone number?

In the various systems I’ve worked on, I have seen far too many terms to describe a phone number. I thought I’d catalogue them!

  • CTN – Customer Telephone Number
    • PTN – Personal Telephone Number
    • MTN – Mobile Telephone Number
    • number
    • phone
    • device / device_id
    • subscr_num – subscriber number
    • source_addr / dest_addr – As used by the SMPP spec
    • MSISDN – Mobile Subscriber ISDN Number / Mobile Station International ISDN Number(s) / Mobile International ISDN Number
    • MDN – Mobile Directory Number

any more?

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