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Area code/prefix search
Search area code/prefix (
NPA
/
NXX
)
NPA
NXX
Block
OCN
Region
LATA
LIR
Switch
Effective date within past
or next
days
Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.
Error: NPA must be between 201 and 999.
Try again