Browse in Category | G | Government Offices & Public Schools | California | Alleghany Total 3 Records found. Display starting from 0 To 10 Records Post Offices - Alleghany Ofc 357 Main Alleghany, CA 95910 Phone : (530) 287-3427 United States Government - Postal Service Post Offices Alleghany-95910 356 Main St Alleghany, CA 95910 Phone : (530) 287-3427 Sierra County of - Public Works Maintenance Shop Goodyears Bar 517 Miners Alleghany, CA 95910 Phone : (530) 287-3245