Is it a US / NANP phone number?
Value
Logical vector; TRUE for common US formats such as 510-577-3201,
(309) 647-1820, 1-650-384-9911, 650 231 1123.
See also
Other phone detectors:
is_intl_phone(),
is_msisdn()
Examples
is_phone(c("(309) 647-1820", "510-577-3201", "12345", NA))
#> [1] TRUE TRUE FALSE NA