| City: | Andover, Massachusetts |
| Names to Avoid: | Internal Revenue Service |
| County: | Essex County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:23:20 PM |
| Population: | No Population Data |
| Area Codes: | 351 / 508 / 978 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 42.6585, -71.1377 |
| Quick Link: |
The Internal Revenue Service operates under dedicated ZIP code 01812 at 310 Lowell Street in Andover, Essex County, Massachusetts. The 385,000-square-foot facility serves as a regional processing hub for the New England region and several other Northeast states. At its peak, the facility employed 3,500 people processing paper tax returns before electronic filing reduced paper volume.
The GSA invested approximately $113 million renovating the Andover facility, which reopened in 2013 as a consolidated regional hub. As of 2023, approximately 550 people work at this location, which now functions as a taxpayer assistance center. Postal records show 3 delivery codes routing to IRS buildings on Lowell Street. This dedicated postal code has served IRS operations since before 2004.
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 01812 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. 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: | 608Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 01812 is located in Essex 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 01812, 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: | 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: | Lawrence, MA-NH PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2501430Source: Census |
| Place Name: | Andover CDP; MassachusettsSource: Census |
We could not locate which school district 01812 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.