What are some interesting input tests for zipcodes?
00501
Lowest ZIP
Holtsville, NY
Also detects fields that might truncate leading zeros
99950
Highest ZIP
Ketchikan, AK
06390
NY ZIP that Belongs in Connecticut?
Fishers Island, NY.
12345
General Electric’s Unique ZIP
Schenectady, NY.
20252
Smokey Bear’s Personal ZIP
Washington, DC.
22313
P.O. box only ZIP
Alexandria, Virginia.
99530-9998
ZIP for Santa Claus in the north pole.
Anchorage, AK.
H0H 0H0
Post Code for North Pole
North Pole, Canada
LL61 5QH
Post Code for Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch
Sometimes abbreviated to Llanfairpwllgwyngyll
Wales, UK
5 digits (ZIP)
99530
9 digits (ZIP + 4)
995309998
10 digits (ZIP + "-" + 4)
99530-9998