NANPA Planning Letter (PL) Number 424 – NPA 566 for Personal Communications Services
Assignment of NPA 566 for Personal Communications Services (PCS) has now been added to the NANPA website.
NANPA assigned the 566 NPA for PCS, because the supply of 5YY NXXs is expected to run out in late 2011 or early 2012.
NANPA assigned 423 5YY codes from January 1 through August 1, 2011. As of August 5, there are 395 available.
A date has not been set for activation of NPA 566.
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