We found 15 dictionaries that define the word postal code:

General (11 matching dictionaries)

1. postal code: Oxford Learner's Dictionaries
2. postal code: Collins English Dictionary
3. postal code: Vocabulary.com
4. postal code: Wiktionary
5. postal code: Infoplease Dictionary
6. postal code: Dictionary.com
7. Postal Code (China), Postal Code, Postal code: Wikipedia, the Free Encyclopedia
8. postal code: FreeDictionary.org
9. postal code: Mnemonic Dictionary
10. postal code: TheFreeDictionary.com
11. postal code: Rhymezone

Art (1 matching dictionary)

12. Glossary of Stamp Collecting Terms (No longer online)

Business (2 matching dictionaries)

13. Travel Industry Dictionary (No longer online)
14. eyefortransport e-commerce transportation glossary (No longer online)

Computing (1 matching dictionary)

15. postal code: Encyclopedia

(Note: See postal_codes as well.)

Definitions from Wiktionary (postal code) ▸ noun:  A sequence of letters and/or numbers added to a postal address to aid the sorting and delivery of post/mail. Similar: zip code, postcode, postage code, box number, zipcode, outcode, number, box no., code, prefix, more... Opposite: zip code, arecode, zip/postal code Types: zip code, PIN code, postcode, Eircode, CAP code, NPA code, PLZ code, more... ▸ Words similar to postal code ▸ Usage examples for postal code ▸ Idioms related to postal code ▸ Wikipedia articles (New!) ▸ Words that often appear near postal code ▸ Rhymes of postal code ▸ Invented words related to postal code