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01821 ZIP Code Detail Information
01821 ZIP code is designated for Billerica in Middlesex of Massachusetts. More information on this ZIP code is available below. If you came here after performing a reverse phone lookup, these details are provided to give you a general idea of the phone number's location.
01821 ZIP Code - Map, City, County, State, and Location
| City: | Billerica |
| County: | Middlesex |
| State: | Massachusetts (MA) |
| Latitude: | 42.5519 |
| Longitude: | -71.2518 |
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