17721 Post Office

Find 17721 post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Avis Post Office 14 West Central Avenue Avis PA 17721 570-753-3100


Mc Elhattan Post Office 529 McElhattan Drive McElhattan PA 17748 2.8 miles from 17721 570-769-6023

Woolrich Post Office 1039 Park Avenue Woolrich PA 17779 3.1 miles from 17721 570-769-6102

Jersey Shore Post Office 234 Allegheny Street Jersey Shore PA 17740 3.5 miles from 17721 570-398-1550

Antes Fort Post Office 14 Third St Antes Fort PA 17720 4.9 miles from 17721 570-398-3018

Castanea Post Office 120 Logan Avenue Lock Haven PA 17745 7.2 miles from 17721 570-748-2572

Lock Haven Post Office 15 West Main Street Lock Haven PA 17745 7.4 miles from 17721 570-748-8055

Waterville Post Office 10702 Highway 44 Waterville PA 17776 9.0 miles from 17721 570-753-8832

Linden Post Office 224 Front Street Linden PA 17744 9.9 miles from 17721 570-323-3041

Mill Hall Post Office 15 Pennsylvania Avenue Mill Hall PA 17751 10.2 miles from 17721 570-726-4717

Loganton Post Office 83 West Main Street Loganton PA 17747 10.4 miles from 17721 570-725-3796

Mackeyville Post Office 191 Mackeyville Road Mill Hall PA 17751 11.8 miles from 17721 570-726-3999

Jersey Mills Post Office 3308 Highway 414 Waterville PA 17776 12.9 miles from 17721 570-753-8001

Williamsport Post Office 2901 Reach Road Williamsport PA 17701 13.2 miles from 17721 570-320-4100

Newberry Post Office 1966 West 4th Street Williamsport PA 17701 14.4 miles from 17721 717-323-7365

Cogan Station Post Office 4772 Lycoming Creek Road Cogan Station PA 17728 15.5 miles from 17721 570-494-0291

Beech Creek Post Office 26 Grant Street Beech Creek PA 16822 15.9 miles from 17721 570-962-2993

Lamar Post Office 5015 Nittany Valley Drive Lamar PA 16848 16.2 miles from 17721 570-726-6263

South Williamsport Post Office 1223 West Southern Avenue South Williamsport PA 17702 16.4 miles from 17721 570-323-7678

Center City Post Office 621 Hepburn Street Williamsport PA 17701 16.7 miles from 17721 570-323-0912

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.