FCC 96-286

Specifically, LANP assigns a ten-digit customer number address (CNA) to each end user; this is the number that callers would dial to place telephone calls to the particular end user. It also assigns each customer a 10-digit network node address (NNA) that identifies where in the telephone network to reach the particular end user. Both the CNA and the NNA are stored in routing databases so that ... ................
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