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United States Area Code Database
National Destination Code
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Number Type List
This is the United States Number Type List page list. You can click the title to browse the detail information.
G:Geographic landline and fixed service
O:Directory Assistance, Operator Services
S:Premium Rate Services
V:VoIP, IP Telephony
X:Exception, the number block is technically not active but residual, functioning telephone numbers from the block may still exist. The block is contaminated as a side effect of number portability. United States only.