ZIP Code 02421
02421 is one of Massachusetts's ZIP codes, delivering to addresses in Lexington, Middlesex County.
- City
- Lexington
- County
- Middlesex County
- State
- Massachusetts
- Prefix
- 024xx
Where this code sits
02421 is part of the 024xx range, the group of codes handled by one mail processing centre. Lexington is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Lexington page.
Lexington Massachusetts ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 02421 delivers to without sharing its boundary.
ZIP codes nearest 02421
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 02420 | 1.1 mi | Lexington, MA |
| ZIP code 02475 | 2.8 mi | Arlington Heights, MA |
| ZIP code 01731 | 2.9 mi | Hanscom Afb, MA |
| ZIP code 02451 | 3.2 mi | Waltham, MA |
| ZIP code 02476 | 3.2 mi | Arlington, MA |
| ZIP code 02452 | 3.4 mi | Waltham, MA |
| ZIP code 01730 | 3.9 mi | Bedford, MA |
| ZIP code 02474 | 3.9 mi | Arlington, MA |
Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 02421. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.