postal code
"postal-code" is a 10-letter English headword indexed on PlainSpell.
The verdict
“postal code” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A sequence of letters or numbers added to a postal address to aid the sorting and delivery of post or mail.
| Property | Value |
|---|---|
| Headword | postal code |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “postal code” sits in English frequency
Spelling & Dictionary Insight
The English entry for postal code is 11 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "A sequence of letters or numbers added to a postal address to aid the sorting and delivery of post or mail.".
The misspelling generator found no plausible variants for postal code, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
No borrowing history is documented for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is postal code, spelled P-O-S-T-A-L- -C-O-D-E.
Definition
- 1A sequence of letters or numbers added to a postal address to aid the sorting and delivery of post or mail.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “postal code”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-O-S-T-A-L- -C-O-D-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.