Sponsored Listings:
Dalmatia Post Office
1878 George St
Dalmatia, Pennsylvania 17017
Dewart Post Office
2037 Main St
Dewart, Pennsylvania 17730
Dornsife Post Office
123 Creek Rd
Dornsife, Pennsylvania 17823
Elysburg Post Office
5 E Roosevelt Ave
Elysburg, Pennsylvania 17824
Herndon Post Office
127 Pottsville St
Herndon, Pennsylvania 17830
Kulpmont Post Office
901 Chestnut St front
Kulpmont, Pennsylvania 17834
Marion Heights Post Office
226 North St
Marion Heights, Pennsylvania 17832
Mc Ewensville Post Office
8 Potash St
Mc Ewensville, Pennsylvania 17749
Milton Post Office
29 N Front St
Milton, Pennsylvania 17847
Montandon Post Office
97 Main St
Montandon, Pennsylvania 17850
Mount Carmel Post Office
1 S Hickory St
Mount Carmel, Pennsylvania 17851
Northumberland Post Office
75 Queen St
Northumberland, Pennsylvania 17857
Paxinos Post Office
5317 State Route 61
Paxinos, Pennsylvania 17860
Potts Grove Post Office
4365 State Route 642
Potts Grove, Pennsylvania 17865
Riverside Post Office
390 Dewart St
Riverside, Pennsylvania 17868
Shamokin Post Office
201 E Independence St
Shamokin, Pennsylvania 17872
Sunbury Post Office
135 N 3rd St
Sunbury, Pennsylvania 17801
Trevorton Post Office
801 W Shamokin St Lowr
Trevorton, Pennsylvania 17881
Turbotville Post Office
4745 State Route 54
Turbotville, Pennsylvania 17772
Watsontown Post Office
316 Main St
Watsontown, Pennsylvania 17777
Northumberland County
There are 20 US Post Offices in Northumberland County serving a total of 82,589 residents equating to 4,129 residents per post office. It's estimated that approximately 131,821 packages are handled across the 20 county post offices annually. Northumberland County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 94,528. Its county seat is Sunbury. The county was formed in 1772 from parts of Lancaster, Berks, Bedford, Cumberland, and Northampton Counties and named for the county of Northumberland in northern England. Northumberland County is a fifth class county according to the Pennsylvania's County Code. Northumberland County comprises the Sunbury, PA Micropolitan Statistical Area, which is also included in the Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area. Among its famous residents, Joseph Priestley, the enlightenment chemist and theologian, left England in 1796 due to religious persecution and settled on the Susquehanna River. His former house (originally purchased by chemists from Pennsylvania State University after a colloquium that founded the American Chemical Society) is a historical museum."