ZIP code · Lineboro · Maryland · United States
ZIP code 21088 — Lineboro
ZIP code 21088 serves Lineboro, Maryland.
- Postal code
- 21088Single source Value from one source, not cross-checked.
- City
- Lineboro
- County
- Carroll
- State
- Maryland
- Country
- United States
- Coordinates
- 39.7187, -76.8439 — precision precise (locality)
View on OpenStreetMap - Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area codes
- 443, 667, 410 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page