| City: | Burlington, Massachusetts |
| Names to Avoid: | Lahey Clinic Med Ctr |
| County: | Middlesex County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 7:48:58 PM |
| Population: | No Population Data |
| Area Codes: | 339 / 781 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 42.4843, -71.2048 |
| Quick Link: |
Lahey Hospital and Medical Center operates under dedicated ZIP code 01805 at 41 Mall Road in Burlington, Middlesex County, Massachusetts. Founded in 1923 by combat surgeon Dr. Frank H. Lahey in Boston, the clinic moved to its Burlington location in 1980. Now part of Beth Israel Lahey Health following a 2019 merger, the facility serves as a flagship academic medical center.
Located in Burlington's Woods Corner neighborhood, the main campus houses 334 inpatient beds and handles over 3,000 patient visits daily. Census Business Patterns shows 11 establishments with 4,977 employees at this ZIP designation. Postal records identify 2 delivery codes routing to Lahey Clinic on Mall Road. The center pioneered many medical technologies, acquiring X-ray capabilities in 1925 and a heart-lung machine for open-heart surgery in 1969. This dedicated postal code has served Lahey since before 2004.
| Establishments: | 11 |
| Employment: | 4,977 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 01805 supports both business and residential activity. According to the Business Census (2024), there are 11 business establishments, employing about 4,971 people with an annual payroll of $369,758,000. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 1Source: USPS |
| Total Delivery Receptacles: | 330Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 11Source: CBP |
| 1st Quarter Payroll: | $90,318,000Source: CBP |
| Annual Payroll: | $369,758,000Source: CBP |
| # of Employees: | 4,971Source: CBP |
ZIP Code 01805 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 4,552,402 people, about 0.00% of whom live in ZIP Code 01805, 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: | 4,552,402Source: Census |
| MSA: | Boston-Worcester-Lawrence, MA-NH-ME-CT CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 06Source: USPS |
| Congressional Land Area: | 526.79 sq miSource: Census |
| PMSA: | Boston, MA-NH PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2509875Source: Census |
| Place Name: | Burlington CDP; MassachusettsSource: Census |
We could not locate which school district 01805 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 March 1, 2026.