MOUNTAINSIDE, NJ Post Office
604 SHERWOOD PKWY MOUNTAINSIDE, NJ 07092 - 9992
Lot Parking Available
Phone 908-233-0148
Fax 650-577-4371
TTY 877-889-2457
Hours
- Mon-Fri 09:00 AM - 04:30 PM
- Sat 09:00 AM - 12:00 PM
- Sun Closed
Lobby Hours
- Mon-Fri 08:00 AM - 04:30 PM
- Sat 08:00 AM - 04:00 PM
- Sun Closed
Last Collection Hours
- Mon-Sat 03:00 PM
- Sun Closed
PO Box Access Hours
- Mon-Fri 08:00 AM - 04:30 PM
- Sat 08:00 AM - 04:00 PM
- Sun Closed
Pickup Services Hours
- Mon-Fri 08:30 AM - 04:30 PM
- Sat 09:00 AM - 12:00 PM
- Sun Closed
Post Office On-Site Services
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Burial Flags
- Call Referral
- Carrier Services
- Duck Stamps
- General Delivery
- Greeting Card Services
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- Pickup Accountable Mail
- Pickup Hold Mail
- Pickup Notice Left Mail
- Priority Mail International®
- PO Box Online