New Hampshire · Rockingham
03801 ZIP Code
03801 is associated with Portsmouth, New Hampshire. The page shows the county, timezone, nearby ZIPs and links to the state hub for a nearby city generator.
ZIP details
- ZIP code
- 03801
- City
- Portsmouth
- State
- New Hampshire (NH)
- County
- Rockingham
- Timezone
- America/New_York
- State sales tax
- 0% state-level
Questions about 03801
- 03801 is associated with Portsmouth, New Hampshire in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.
- Rockingham. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.
- America/New_York. This is the IANA timezone name for the city associated with the ZIP.
- It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.