| City: | Pinehurst, Massachusetts |
| County: | Middlesex County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:24:22 PM |
| Population: | No Population Data |
| Area Codes: | 508 / 978 |
| Classification: | PO Box |
| Coordinates: | 42.5304, -71.2278 |
| Quick Link: |
Despite its P-classification, the post office supports limited carrier delivery through one rural route. Boston Road is the only street served directly from this ZIP, though most customers rely on PO Box service. The facility sits within a larger Burlington postal area, handling mail for a concentrated service zone without typical residential street delivery infrastructure.
With only Boston Road receiving direct carrier delivery, this ZIP represents a minimal street presence. The single street record reflects a highly concentrated service area where PO Box adoption is the standard rather than the exception.
ZIP Code 01866 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 16 people with an annual payroll of $710,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 144Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 5Source: CBP |
| 1st Quarter Payroll: | $149,000Source: CBP |
| Annual Payroll: | $710,000Source: CBP |
| # of Employees: | 16Source: CBP |
ZIP Code 01866 is located in Middlesex County, Massachusetts, within the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area (CBSA 14460) and Massachusetts's 6th Congressional District. This Metro area has a population of 4,917,661 people, about 0.00% of whom live in ZIP Code 01866, and is subdivided into the Cambridge-Newton-Framingham, MA division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Boston-Cambridge-Newton, MA-NHSource: Census |
| CBSA Number: | 14460Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Cambridge-Newton-Framingham, MA (CBSA Div 15764)Source: Census |
| CBSA Population: | 4,917,661Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 06Source: USPS |
| Congressional Land Area: | 526.79 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2553680Source: Census |
| Place Name: | Pinehurst CDP; MassachusettsSource: Census |
We could not locate which school district 01866 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.