16051 Post Office

Find 16051 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.


Portersville Post Office 1272 Perry Highway Portersville PA 16051 724-368-8011


Prospect Post Office 106 South Franklin Street Prospect PA 16052 5.6 miles from 16051 724-865-2000

Slippery Rock Post Office 400 South Main Street Slippery Rock PA 16057 9.1 miles from 16051 724-794-8760

Ellwood City Post Office 320 7th Street Ellwood City PA 16117 10.0 miles from 16051 724-758-7531

New Castle Post Office 435 South Cascade Street New Castle PA 16108 10.1 miles from 16051 724-656-7221

Zelienople Post Office 249 South Main Street Zelienople PA 16063 10.5 miles from 16051 724-452-7410

Connoquenessing Post Office 175 Connoquenessing Main St Connoquenessing PA 16027 10.9 miles from 16051 724-789-7440

Wampum Post Office 414 Beaver Street Wampum PA 16157 11.3 miles from 16051 724-535-4251

Downtown New Castle Post Office 151 Cascade Galleria New Castle PA 16101 11.4 miles from 16051 724-652-4611

West Pittsburg Post Office 341 Center Avenue West Pittsburg PA 16160 11.8 miles from 16051 724-535-7222

Koppel Post Office 5502 5th Avenue Koppel PA 16136 12.3 miles from 16051 724-843-8751

Evans City Post Office 126 South Jackson Street Evans City PA 16033 12.8 miles from 16051 724-538-9640

Neshannock Post Office 4 East Maitland Lane New Castle PA 16105 13.0 miles from 16051 724-654-2241

Volant Post Office 100 High Street Volant PA 16156 13.0 miles from 16051 724-533-3095

Forestville Post Office 4114 William Flynn Highway Slippery Rock PA 16057 13.1 miles from 16051 724-735-2327

Renfrew Post Office 102 East Main Street Renfrew PA 16053 13.2 miles from 16051 724-586-7209

West Sunbury Post Office 201 West State Street West Sunbury PA 16061 13.3 miles from 16051 724-637-2000

Lyndora Post Office 110 Whitestown Road Lyndora PA 16045 13.4 miles from 16051 724-285-6650

Grove City Postal Retail Str Post Office 1911 Leesburg Grove City Road Grove City PA 16127 13.5 miles from 16051 724-748-5052

Butler Post Office 345 South Main Street Butler PA 16001 14.1 miles from 16051 724-214-6000

About Post Offices

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.