Query the area codes corresponding to a given registry type.
show_registry(regi_type = 1:4)
A character vector of area codes.
show_registry(1:4)
#> [1] "410102" "410103" "410104" "410105" "410122" "410123" "410182" "410183"
#> [9] "410184" "410185" "410224" "410302" "410303" "410304" "410305" "410307"
#> [17] "410322" "410323" "410324" "410325" "410326" "410327" "410328" "410329"
#> [25] "410381" "410402" "410403" "410411" "410423" "410425" "410502" "410503"
#> [33] "410505" "410581" "410602" "410603" "410611" "410621" "410622" "410702"
#> [41] "410703" "410711" "410782" "410802" "410803" "410804" "410811" "410825"
#> [49] "410902" "410922" "410923" "410926" "410928" "411002" "411023" "411025"
#> [57] "411081" "411082" "411102" "411103" "411104" "411121" "411122" "411202"
#> [65] "411221" "411222" "411303" "411321" "411322" "411325" "411402" "411422"
#> [73] "411425" "411502" "411521" "411602" "411624" "411625" "411626" "411627"
#> [81] "411681" "411702" "411721" "419001"
show_registry(c("1", "2"))
#> [1] "410102" "410103" "410104" "410105" "410123" "410185" "410224" "410302"
#> [9] "410303" "410304" "410305" "410307" "410322" "410323" "410324" "410325"
#> [17] "410326" "410327" "410328" "410329" "410381" "410402" "410403" "410411"
#> [25] "410423" "410425" "410502" "410503" "410505" "410581" "410602" "410603"
#> [33] "410611" "410702" "410703" "410711" "410782" "410802" "410803" "410804"
#> [41] "410811" "410825" "410902" "410926" "410928" "411002" "411023" "411081"
#> [49] "411102" "411103" "411104" "411121" "411122" "411202" "411221" "411222"
#> [57] "411303" "411321" "411322" "411325" "411402" "411422" "411425" "411502"
#> [65] "411521" "411602" "411624" "411625" "411627" "411702" "411721" "419001"