USPS Locations in Maryland
USPS maintains an extensive network of 3,570 locations spanning 322 cities across Maryland, with the densest coverage in Baltimore, Bethesda and Silver Spring.
3,570Locations
322Cities Covered
MDState
USPS Coverage in Maryland
- Largest presence: Baltimore (866 locations)
- Average per city: 11.1
- Coverage: 322 Maryland cities
USPS Locations by City in Maryland322 cities
| City | Locations |
|---|---|
| Baltimore | 866 |
| Bethesda | 219 |
| Silver Spring | 204 |
| Gaithersburg | 76 |
| Columbia | 72 |
| Kensington | 72 |
| Frederick | 71 |
| Annapolis | 68 |
| Rockville | 67 |
| Glen Burnie | 56 |
| Timonium | 56 |
| Glenarden | 54 |
| Hyattsville | 54 |
| Hagerstown | 47 |
| Catonsville | 44 |
| Salisbury | 41 |
| Temple Hills | 41 |
| Cumberland | 40 |
| Fairmount Hgt | 40 |
| Berwyn Heights | 39 |
| Forestville | 39 |
| Greenbelt | 38 |
| Germantown | 36 |
| Beltsville | 35 |
| Laurel | 35 |
| Suitland | 35 |
| Cheverly | 34 |
| University Park | 30 |
| Hunt Valley | 29 |
| Ellicott City | 26 |
| New Carrollton | 26 |
| Bowie | 25 |
| Owings Mills | 25 |
| Oxon Hill | 23 |
| Springdale | 23 |
| Waldorf | 23 |
| Bel Air | 22 |
| Upper Marlboro | 22 |
| Westminster | 22 |
| Linthicum | 21 |
| Ocean City | 19 |
| Patuxent River | 17 |
| Ft Washington | 16 |
| Mount Rainier | 15 |
| Riverdale | 15 |
| Frostburg | 14 |
| Pasadena | 14 |
| Crofton | 13 |
| Potomac | 13 |
| Randallstown | 13 |
Showing the top 50 of 322 cities. Get full Maryland coverage via API →
Sample Locations
| Location | City |
|---|---|
| Abell Post Office | Abell |
| Mailbox in Post Office Lobby | Aber Prov Grd |
| Public Collection Box | Aber Prov Grd |
| Public Collection Box | Aber Prov Grd |
| Public Collection Box | Aber Prov Grd |
Showing 5 of 3,570 locations. Get the complete Maryland dataset via API →
USPS Location API
Query USPS locations in Maryland programmatically - ZIP lookup, coverage, and batch queries.
View API Docs →Get Started Free
Sign up for a free API key and integrate USPS data. 20 free API calls per month.
Get Free API Key →Other Carriers in Maryland
USPS in Other States
New York13,972California10,819Pennsylvania8,914Massachusetts6,449Illinois6,353Ohio5,019New Jersey4,784Florida3,635Michigan3,396Texas2,842Connecticut2,225Washington1,803Missouri1,801Virginia1,653Indiana1,610North Carolina1,567Minnesota1,488Arizona1,487Colorado1,461Wisconsin1,459Georgia1,060Oregon1,026New Hampshire932Maine809Rhode Island776Alabama688South Carolina631Iowa630West Virginia609Delaware445Tennessee445Vermont438Nevada410Kentucky409Louisiana379Nebraska357Hawaii343Arkansas312Kansas311Utah262Puerto Rico245New Mexico205Montana150Oklahoma138Idaho123District of Columbia101Mississippi101Alaska72North Dakota71U.S. Virgin Islands29Wyoming16South Dakota14Guam7