ZIP Code 21270 in Baltimore, MD

Data Last Updated: January 1, 2026
City:Baltimore, Maryland
Names to Avoid:
Reisterstown Rd Plaza
County:Baltimore City County
Timezone:Eastern (GMT -05:00)
Local Time:2:22:28 AM
Population:No Population Data
Area Codes:227 / 301 / 410 / 443 / 667
Classification:PO Box
Coordinates:39.2905, -76.6125
Quick Link:
https://www.zip-codes.com/zip-code/21270/zip-code-21270.asp

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21270 Baltimore, MD - Reisterstown Road Plaza Post Office

ZIP Code 21270, Baltimore

Small Town Unique ZIP No Census Data
LocationBaltimore City County, MD
Area0 sq mi Single Point
Delivery Points9 (1 businesses)
PO Boxes8
Also Known AsReisterstown Rd Plaza
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 21215
Key Facts
  • This is a point ZIP with no geographic territory of its own, located entirely within ZIP 21215
  • The post office maintains only 8 PO Boxes, making it one of the smallest PO Box operations in Baltimore
  • An alias 'Reisterstown Rd Plaza' identifies this as a shopping center postal location
  • Zero residents live within this ZIP's boundaries since it covers only the post office facility itself
  • Street delivery in the surrounding area is handled by the enclosing ZIP 21215

Overview

ZIP code 21270 is a PO Box ZIP serving the Reisterstown Road Plaza area in northwest Baltimore, Maryland. It's a point ZIP with no residential population of its own, existing entirely within the boundaries of ZIP 21215. The post office at this location maintains just 8 PO Boxes and serves one business establishment.

What This ZIP Actually Serves

This isn't a community in the traditional sense. It's a retail postal location at a shopping plaza on Reisterstown Road, one of Baltimore's major northwest corridors. The ZIP+4 records show only two streets: Dolfield Avenue (15 records with unit designators) and Reisterstown Road (2 records). The presence of UNIT secondary designators on Dolfield Avenue suggests commercial or office suites rather than residential addresses.

Neighborhood Context

The surrounding area falls within the East Arlington and Callaway-Garrison neighborhoods of Baltimore. Nearby neighborhoods include Lucille Park and Ashburton. Street delivery in this area routes through ZIP 21215, which encloses this point ZIP entirely.

Mailing Information

Residents and businesses here can choose between using the 21270 PO Box ZIP or the standard 21215 for street delivery. The PO Box classification dates back to before October 2004, when USPS began tracking ZIP introduction dates.

Street Name Patterns

Commercial Corridor Shopping Plaza

Only two streets appear in records, both associated with the shopping plaza location.

Nearby Areas

Northwestern Baltimore East Arlington Callaway - Garrison Lucille Park Ashburton

Business & Employment Statistics


ZIP Code 21270 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:7Source: 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 21270 is located in Baltimore City County, Maryland, within the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area (CBSA 12580) and Maryland's 7th Congressional District. This Metro area has a population of 2,839,409 people, about 0.00% of whom live in ZIP Code 21270. 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:07Source: USPS
Congressional Land Area:488.03 sq miSource: Census
PMSA:Baltimore, MD PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2404000Source: Census
Place Name:Baltimore city; MarylandSource: Census

Adjacent & Nearby ZIP Codes


21273 | | 21264

Schools in ZIP Code 21270


We could not locate which school district 21270 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.

Baltimore Leadership School For Young Women 128 W Franklin Street
Baltimore, MD 21201
District: Baltimore City Public SchoolsNearby
Baltimore School For The Arts 712 Cathedral Street
Baltimore, MD 21201
District: Baltimore City Public SchoolsNearby
Eager Street Academy 926 Greenmount Avenue
Baltimore, MD 21202
District: Baltimore City Public SchoolsNearby
City Springs Elementary/Middle 100 S Caroline Street
Baltimore, MD 21231
District: Baltimore City Public SchoolsNearby
Paul Laurence Dunbar High 1400 Orleans Street
Baltimore, MD 21231
District: Baltimore City Public SchoolsNearby
St John School 320 Cathedral St
Baltimore, MD 21201
District: Private SchoolNearby
Tong Le Montessori School 805 E Fayette St
Baltimore, MD 21202
District: Private SchoolNearby
The Wilkesschool At Grace And St. Peter's 707 Park Ave
Baltimore, MD 21201
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 21270


Baltimore Studio Of Hair Design 318 N Howard St
Baltimore, MD 21201-3444
Type: Post Secondary
University System Of Maryland 701 E. Pratt St.
Baltimore, MD 21201
Type: Post Secondary
University System Of Maryland-Research Centers 701 E. Pratt St.
Baltimore, MD 21201
Type: Post Secondary
University Of Maryland, Baltimore 620 West Lexington St
Baltimore, MD 21201-1627
Type: Post Secondary
University Of Baltimore Charles At Mount Royal
Baltimore, MD 21201-5720
Type: Post Secondary
Maryland Institute College Of Art 1300 Mount Royal Avenue
Baltimore, MD 21217-4134
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