ZIP Code 21020 in Boring, MD

Data Last Updated: January 1, 2026
City:Boring, Maryland
County:Baltimore County
Timezone:Eastern (GMT -05:00)
Local Time:2:19:48 AM
Population:No Population Data
Area Codes:410 / 443 / 667
Classification:PO Box
Coordinates:39.5314, -76.8232
Quick Link:
https://www.zip-codes.com/zip-code/21020/zip-code-21020.asp

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21020 Boring, MD - Rural Delivery Point

ZIP Code 21020, Boring

Small Town Unique ZIP No Census Data
LocationBaltimore County, MD
Area0 sq mi Single Point
Delivery Points1 (1 homes)
PO Boxes0 No PO Boxes
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 21136
Key Facts
  • This ZIP is classified as a PO Box ZIP but operates with rural carrier routes instead of PO Boxes
  • Zero PO Boxes are maintained at this facility, making it unusual among PO Box classified ZIPs
  • The location is a point facility within ZIP 21136 (Reisterstown), not an extended service area
  • Only 2 streets are served: Osborn Road and Old Hanover Road
  • Census data shows zero population within the ZIP boundaries, indicating this is primarily a mail routing designation

Postal Services

Boring, Maryland is a small postal location in Baltimore County. Despite its classification as a PO Box ZIP, this facility operates differently from most PO Box locations. It doesn't maintain any PO Boxes at all. Instead, it serves as a rural delivery point with 2 rural carrier routes covering Osborn Road and Old Hanover Road.

Geographic Context

This ZIP has a MultiPoint geometry, meaning it's a point location rather than an extended territory. The point falls within the larger ZIP 21136 (Reisterstown), which is 3.1 miles away. Census data shows zero population within the ZIP boundaries, as this appears to be a mail routing designation rather than a residential area. The single recorded delivery point is a single-family dwelling unit.

Delivery Pattern

This isn't a PO Box Only Zone, meaning residents in the area have access to street delivery through these rural routes. The facility has been in operation since before October 2004, when USPS began tracking introduction dates in their database.

Nearby Communities

The Boring postal facility is surrounded by larger Baltimore County municipalities. Reisterstown is the closest community at 3.1 miles, followed by Owings Mills (6.0 miles), Garrison (7.8 miles), Cockeysville (8.0 miles), and Eldersburg (8.1 miles).

Mailing Information

Mail to this area uses the address format:

[Street Address]
Boring, MD 21020

Street Name Patterns

Rural Roads

Only 2 streets served, both rural roads with minimal delivery points.

Nearby Areas

Reisterstown Owings Mills Garrison Cockeysville Eldersburg

Business & Employment Statistics


ZIP Code 21020 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:0Source: 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

Geography, Land Area, & Statistical Classifications


ZIP Code 21020 is located in Baltimore County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 2nd Congressional District. This Metro area has a population of 2,839,409 people, about 0.00% of whom live in ZIP Code 21020. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Baltimore-Columbia-Towson, MDSource: Census
CBSA Number:12580Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:2,839,409Source: Census
MSA:Washington-Baltimore, DC-MD-VA-WV CMSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:02Source: USPS
Congressional Land Area:348.88 sq miSource: Census
PMSA:Baltimore, MD PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:--Source: Census
Place Name:--Source: Census

Adjacent & Nearby ZIP Codes


21022 | | 21018

Schools in ZIP Code 21020


We could not locate which school district 21020 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.

Glyndon Elementary 445 Glyndon Dr
Reisterstown, MD 21136
District: Baltimore County Public SchoolsNearby
Franklin Middle 10 Cockeysmill Rd
Reisterstown, MD 21136
District: Baltimore County Public SchoolsNearby
Chatsworth School 222 New Ave
Reisterstown, MD 21136
District: Baltimore County Public SchoolsNearby
Franklin Elementary 33 Cockeysmill Rd
Reisterstown, MD 21136
District: Baltimore County Public SchoolsNearby
Reisterstown Elementary 223 Walgrove Rd
Reisterstown, MD 21136
District: Baltimore County Public SchoolsNearby
Sacred Heart Elementary School 63 Sacred Heart Ln
Glyndon, MD 21071
District: Private SchoolNearby
The Forbush School At Glyndon 407 Central Ave
Reisterstown, MD 21136
District: Private SchoolNearby
Gerstell Academy 2500 Old Westminster Pike
Finksburg, MD 21048
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 21020


Strayer University-Owings Mills Campus 500 Redland Ct, Ste 100
Owings Mills, MD 21117
Type: Post Secondary
Carroll Community College 1601 Washington Rd
Westminster, MD 21157
Type: Post Secondary
Empire Beauty School-Owings Mills 9616 Reisterstown Rd, Suite 105
Owings Mills, MD 21117
Type: Post Secondary
Institute Of Health Sciences 11031 Mccormick Road
Hunt Valley, MD 21031-1408
Type: Post Secondary
Stevenson University 1525 Greenspring Valley Rd
Stevenson, MD 21153-0641
Type: Post Secondary
Mcdaniel College 2 College Hill
Westminster, MD 21157
Type: Post Secondary

Sources & References


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 January 1, 2026.

  1. U.S. Postal Service [Last Updated: 1/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 1/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 1/1/2026], https://nces.ed.gov