Region 1 – Northeast and Central

Central Susquehanna Intermediate Unit

Address: 90 Lawton Lane, Milton, PA 17847

Phone: (570) 523-1155

Counties Served:

Bradford

Carbon

Centre

Clinton

Columbia

Cumberland

Dauphin

Huntingdon

Juniata

Lackawanna

Luzerne

Lycoming

Mifflin

Monroe

Montour

Northumberland

Perry

Pike

Potter

Schuykill

Snyder

Sullivan

Susquehanna

Tioga

Union

Wayne

Wyoming

Region 2 – Southeast

Chester County Intermediate Unit

Address: 455 Boot Road, Downingtown, PA 19335

Main Office Phone: (484) 237-5052

Chester County Office Phone: (610) 345-1824

Philadelphia Office Phone: (215) 551-4120

Counties Served:

Bucks

Chester

Delaware

Montgomery

Philadelphia

Region 3 – East

Millersville University

Address: PO Box 1002, Millersville, PA 17551

Main Office Phone: (717) 871-4371

Berks County Office Phone: (484) 258-7100

Lancaster County Office Phone: (717) 871-4381

Lebanon County Office Phone: (717) 675-7922

Lehigh Valley Office Phone: (610) 820-6831

Counties Served:

Berks

Lancaster

Lebanon

Lehigh

Northampton

Region 4 – West

Northwest Tri-County Intermediate Unit

Address: 252 Waterford Street, Edinboro, PA 16412

Phone: (814) 734-56101

HACC Office

Address: 705 Old Harrisburg Road, Suite 400, Gettysburg, PA 17325

Phone: (717) 334-0006, ext. 2315

Counties Served:

Adams

Allegheny

Armstrong

Beaver

Bedford

Blair

Butler

Cambria

Cameron

Clarion

Clearfield

Crawford

Elk

Erie

Fayette

Forest

Franklin

Fulton

Greene

Indiana

Jefferson

Lawrence

McKean

Mercer

Somerset

Venango

Warren

Washington

Westmoreland

York