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Started by johnpane, January 14, 2013, 08:42:59 AM
Quote from: CoalMinerRetired on January 15, 2013, 04:23:46 AMIt also says this:Quote....An LRN is assigned to each ported telephone number and is used to route calls through the PSTN to the switch serving the ported number. The LRN is intended only as the network address of the serving switch, however, and is not intended to convey any rate area information such as would be used determine whether a call is local or long distance. The same ten-digit LRN can be used for every ported number served from the switch to which the LRN's NPA-NXX is assigned. For a number that started life as a landline in a given NPA-NXX, that CO switch is never going to change, calls to it will always get routed to that CO switch. That's now I understand it.
Quote....An LRN is assigned to each ported telephone number and is used to route calls through the PSTN to the switch serving the ported number. The LRN is intended only as the network address of the serving switch, however, and is not intended to convey any rate area information such as would be used determine whether a call is local or long distance. The same ten-digit LRN can be used for every ported number served from the switch to which the LRN's NPA-NXX is assigned.