ZIP Code
"zip-code" is a 7-letter English headword indexed on PlainSpell.
The verdict
“ZIP Code” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Uncommon form of zip code.
Corpus desk
Index EN-zip-code · ZIP Code · English
ZIP Code · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "Z" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | ZIP Code |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “ZIP Code” in English
Rare enough to double-check
ZIP Code is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Uncommon form of zip code.".
Zero misspellings are on record for ZIP Code in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: Trademark of United States Postal Service, from ZIP (“Zone Improvement Plan”), introduced 1963. The correct English form is ZIP Code, spelled Z-I-P- -C-O-D-E.
Definition
- 1Uncommon form of zip code.
Etymology
Trademark of United States Postal Service, from ZIP (“Zone Improvement Plan”), introduced 1963.
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.