Area: In PENNSYLVANIA, Counties of Adams, Centre, Clinton, Cumberland, Dauphin, Franklin, Juniata, Lancaster, Lebanon, Lycoming, Mifflin, Montour, Northumberland, Perry, Potter, Snyder, Tioga, Union and York.
Area: In PENNSYLVANIA, Counties of Bradford, Berks, Susquehanna, Wayne, Pike, Lackawanna, Wyoming, Sullivan, Columbia, Luzerne, Schuylkill, Carbon, Monroe, Northampton and Lehigh.
Area: In PENNSYLVANIA, Berks County, western portion of Montgomery County and northwest portion of Chester County.
Area: All MARYLAND, except Counties of Montgomery and Prince Georges, but College Park in Prince Georges County is allocated to the Maryland Section.
Area: In MARYLAND, Counties of Garrett,
Allegheny, Washington, Frederick, Carroll and a portion of Howard.
Area: In MARYLAND, Counties near the Maryland Eastern Shore including Caroline County, Cecil County, Dorchester County, Kent County, Queen Anne's County, Somerset County, Talbot County, Wicomico County, and Worcester County.
Area: All DISTRICT OF COLUMBIA; In MARYLAND, Counties of Montgomery and Prince Georges, except College Park in Prince Georges County; In VIRGINIA, Counties of Fairfax and Arlington, and City of Alexandria.
Area: In PENNSYLVANIA, Counties of Chester, Delaware, Montgomery, Philadelphia and Bucks.
Area: In PENNSYLVANIA, Counties of Crawford, Erie, Verango, Forest, Elk, Cameron, Clearfield, Jefferson, Clarion, Butler, Mercer, Lawrence, Beaver, Allegheny, Westmoreland, Armstrong, Indiana, Cambria, Blair, Huntington, Fulton, Bedford, Somerset, Fayette, Washington, Greene, Warren and McKean.
Area: In PENNSYLVANIA, Counties of Clarion, Crawford, Erie, Forest, Mercer, Verango, Warren and McKean.
The Northwestern Pennsylvania Branch is currently inactive.