| 单词 | NPAC (Number Portability Administration Center) |
| 释义 | NPAC (Number Portability Administration Center) In the United States, the Federal Communi- cations Commission (FCC) established the NPAC to supervise and perform clearinghouse functions in support of local number portability (LNP) and local routing numbers (LRNs). See also LNP and LRN. |
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