Ampere Post Office

75 4th Ave, East Orange, NJ 07017

Contact Numbers

Phone: 973-678-5471
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 8:30am - 12:00pm, 1:00pm - 4:30pm
Tuesday 8:30am - 12:00pm, 1:00pm - 4:30pm
Wednesday 8:30am - 12:00pm, 1:00pm - 4:30pm
Thursday 8:30am - 12:00pm, 1:00pm - 4:30pm
Friday 8:30am - 12:00pm, 1:00pm - 4:30pm
Saturday Closed
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:30pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Business Line
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Philatelic Services
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Roseville
374 7th Ave W
0.5 mile away

East Orange
26 City Hall Plz
0.5 mile away

Grove
145 Grove St
0.6 mile away

Evergreen
60 Evergreen Pl Ste 101
1.0 mile away

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