Post office locations in 21239
| Post Office | Address | Phone | Hours |
| NORTHWOOD | 1800 E NORTHERN PKWY BALTIMORE, MD 21239 - 9998 | 410-323-8896 | Mon-Fri 9:00am - 1:00pm 2:00pm - 5:00pm Sat 9:00am - 1:00pm Sun Closed |
| Post Office | Address | Phone | Hours |
| NORTHWOOD | 1800 E NORTHERN PKWY BALTIMORE, MD 21239 - 9998 | 410-323-8896 | Mon-Fri 9:00am - 1:00pm 2:00pm - 5:00pm Sat 9:00am - 1:00pm Sun Closed |