Random Maryland Address Generator
These addresses are randomly generated for software testing. They are not real people’s details: the street number, unit and recipient name are invented, and no record is checked for deliverability.
Randomly generated Maryland mailing addresses for software testing, form validation and staging data. Each record pairs a real Maryland city with a ZIP prefix that serves it and the county that city sits in, then adds a street number, a secondary unit designator and a recipient name that are invented.
Official Maryland Postal & Geographic Reference Specifications
| Geographic & Postal Parameter | Official State Specification | Standardization Reference |
|---|---|---|
| Postal State Abbreviation | MD | USPS Publication 28 & ISO 3166-2:US |
| 5-Digit ZIP Prefix Range | 206xx–219xx | USPS prefix-to-state assignment |
| Administrative Jurisdictions | 24 Counties & City | US Census Bureau regional boundaries |
| Active Area Codes (NANPA) | 227, 240, 301, 410, 443, 667 (6 total) |
North American Numbering Plan Administrator |
| State Capital | Annapolis | US Census Bureau |
| Primary Time Zone | Eastern Time (America/New_York, UTC-5 / UTC-4 DST) | IANA time zone database |
Maryland Postal Geography & Key Cities
ZIP codes and Sectional Center Facilities are derived from public USPS ZIP code data, area codes from the North American Numbering Plan, and county names from US Census Bureau records. Street numbers and recipient names are synthetic, and nothing is checked against an address-verification service.
Cities the generator draws from:
- Baltimore
- Columbia
- Germantown
- Silver Spring
- Annapolis
- Bethesda
Key Counties & Independent City
County and independent city boundaries determine local sales tax jurisdictions in Maryland:
- Montgomery County
- Prince George's County
- Baltimore County
- Baltimore City (Independent City)
- Anne Arundel County
Maryland Area Codes (MD)
Generated phone numbers use the area codes listed in the reference table above, paired with a 555 exchange so no number can reach a real line. Generate Maryland phone numbers.
Postal Delivery Standards & Format Nuances in Maryland
- Independent City of Baltimore is completely separated from Baltimore County as an independent county-equivalent jurisdiction (FIPS 510) with distinct property records.
- Dual-county suburban Washington corridors in Montgomery and Prince George's counties with dense multi-unit apartment complexes.
Maryland Address Examples in USPS Publication 28 Format
Residential Delivery Point:100 Main St, Apt 4B
Baltimore, MD 21201-1204
Commercial / Multi-Unit Delivery Point:Maryland Logistics & Software Corp
500 Enterprise Way, Suite 300
Columbia, MD 21044-4810
Frequently Asked Questions about Maryland Addresses
- What ZIP codes does Maryland use for mail and package delivery?
Maryland (MD) operates within the 5-digit ZIP prefix range 206xx–219xx. Mail routed to state capital Annapolis and key regional centers such as Baltimore, Columbia, Germantown adheres to these official USPS boundaries.
- Which telephone area codes are valid for Maryland?
Maryland is served by 6 active North American Numbering Plan (NANPA) area codes: 227, 240, 301, 410, 443, 667. Synthetic telephone numbers for Maryland use those area codes with a 555 exchange, which is reserved for fictitious use.
- How many counties and independent cities are in Maryland?
Maryland is divided into 23 counties plus the independent city of Baltimore (24 primary administrative jurisdictions), including major regions such as Montgomery County, Prince George's County, Baltimore County, Baltimore City (Independent City). Baltimore City is not part of Baltimore County — they are separate jurisdictions — so a generated address in the city carries Baltimore City rather than Baltimore County.
- What postal formatting conventions and addressing quirks are unique to Maryland?
Independent City of Baltimore is completely separated from Baltimore County as an independent county-equivalent jurisdiction (FIPS 510) with distinct property records. Dual-county suburban Washington corridors in Montgomery and Prince George's counties with dense multi-unit apartment complexes. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.
- Are the Maryland addresses generated on this page real places?
No. All street numbers, recipient names, and telephone numbers generated for Maryland are entirely synthetic and randomized for software testing, database seed scripts, and form validation. They use Maryland ZIP codes from public USPS data and real city names, but they do not correspond to real individuals or private residences.
Nearby & Bordering States
Explore test address generators for states sharing a geographic border with MD:
- Pennsylvania Address Generator (PA)
- Delaware Address Generator (DE)
- Virginia Address Generator (VA)
- West Virginia Address Generator (WV)
- District of Columbia Address Generator (DC)
Maryland ZIP Prefixes
The first three digits of a ZIP code place an address within Maryland. These are the prefixes assigned to the state:
208xx, 209xx, 210xx, 212xx, 214xx
Which processing facility sorts a given prefix is set by the current USPS labeling list L005 and changes as processing is consolidated, so it is not reproduced here. Look up a ZIP prefix to see its state and generate ZIP codes inside it.
Related Postal Tools & Technical Resources
- USA Address Generator & Developer Utility Hub
- Generate Maryland Phone Numbers with Real Area Codes
- ZIP Code Lookup & Validation
- ZIP prefix lookup
- ZIP Code Lookup & Address Standardization Guide
All 51 state address generators, grouped by region.