Post office locations in 21239
| Post Office | Address | Phone | Hours |
| NORTHWOOD | 1800 E NORTHERN PKWY BALTIMORE, MD 21239 - 9998 | 410-323-8896 | Mon-Fri 09:00 AM - 01:00 PM 02:00 PM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed |
| Post Office | Address | Phone | Hours |
| NORTHWOOD | 1800 E NORTHERN PKWY BALTIMORE, MD 21239 - 9998 | 410-323-8896 | Mon-Fri 09:00 AM - 01:00 PM 02:00 PM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed |