Billerica, MA ZIP Codes
Billerica, Massachusetts has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Billerica ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Billerica ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
01822 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Billerica town limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and county subdivision limits (2024).
All Billerica ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 01821 | street delivery Billerica |
| 01822 | PO boxes at the Billerica post office Billerica |
| 01862 | street delivery; mail may be addressed to North Billerica North Billerica |
Why your mail may say Billerica when you live outside it
Billerica ZIP codes also cover Pinehurst, so a letter addressed to Billerica can go to a home outside the town limits.
A ZIP code does not set your city, school district or tax. Middlesex County property records show which city you are in.
Billerica ZIP code questions
What is the main ZIP code for Billerica?
01821, the ZIP code of the main Billerica post office at 460 Boston Rd.
Which Billerica ZIP codes are for PO boxes only?
01822. Mail to it goes to boxes at the post office, not to street addresses.
What county is Billerica in?
Middlesex County.
ZIP codes for towns near Billerica
More towns near Billerica: Dracut, Arlington, Lawrence, North Andover, Waltham, Medford, Methuen, Malden, Watertown.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections