| City: | North Reading, Massachusetts |
| Names to Avoid: | Massachusetts District, N Reading |
| County: | Middlesex County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 7:49:32 PM |
| Population: | No Population Data |
| Area Code: | 978 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 42.5725, -71.1114 |
| Quick Link: |
The USPS Massachusetts District office operates under dedicated ZIP code 01889 on Main Street in North Reading, Middlesex County, Massachusetts. This district administrative center oversees postal operations across the state, coordinating processing, distribution, transportation, and retail functions. The North Reading SDC (Sorting and Delivery Center) is co-located at this facility.
The 0.01 square mile designation encompasses a major postal administrative complex. Postal records show 60 delivery codes routing to 58 named departments including the District Manager, Postal Inspection Service, Labor Relations, Manager Human Resources, and three shifts of distribution operations. The facility also houses the Middlesex Administration Carrier Academy for mail carrier training. This dedicated code has served district 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 01889 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: | 1Source: 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 01889 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 01889, 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: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 01889 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.