Location Routing Number

A Location Routing Number (or LRN) is a unique number that uses the format of a telephone number, but actually represents an entire telephone switch through which multiple telephone numbers are routed. The assignment of a location routing number to telephone numbers allows for local number portability.

单词	Location Routing Number
释义	Location Routing Number 英语百科 Location Routing Number A Location Routing Number (or LRN) is a unique number that uses the format of a telephone number, but actually represents an entire telephone switch through which multiple telephone numbers are routed. The assignment of a location routing number to telephone numbers allows for local number portability.
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