The following organizations need volunteer help for a day, for a week or on a regular basis.

AARP Tax Aide, prepare taxes electronically for low- to moderate-income taxpayers. Training provided. 703-207-0056, 888-227-7669 or www.aarp.org/taxaide.

Four Mile Run Stream Cleanup, pick up trash in the Shirlington area with Arlingtonians for a Clean Environment. Noon-2 p.m. Nov. 5. To register, call 703-228-6406.

Potomac Overlook Regional Park, assist with indoor and outdoor projects. 10 a.m.-noon Nov. 5; meet at the nature center. 703-528-5406.

For information on the following opportunities, call the number listed or contact the Alexandria Volunteer Bureau at 703-836-2176, send an e-mail to mail@alexandriavolunteers.com or visit www.alexandriavolunteers.com.

King Street Cats, provide a foster home or feed and care for cats at a shelter in Alexandria. 703-836-6686.

West End Business Association, help with holiday decorating project in the West End of Alexandria. 703-658-5274.

For information on the following opportunities, call the number listed or contact the Arlington County Volunteer Office at 703-228-1760 or visit www.volunteersolutions.org/acvo.

Arlington Food Assistance Center, sort and pack food collected during a Boy Scout drive. 10 a.m.-1 p.m., 1-4 p.m. or 4-7 p.m. Nov. 12. Children 10 and older, accompanied by an adult, are welcome. 703-845-8486.

Borromeo Housing, a Second Chance Home program for homeless teenage mothers and their babies, needs volunteers to prepare meals, take them to the shelter and share the recipes. 703-841-0139.

Liberty's Promise, which aids young immigrants, needs a communications and marketing specialist and an administrative specialist. 703-549-9950.

Medical Reserve Corps needs health care volunteers. Orientation will be from 9:30 a.m. to noon Nov. 5. To register, call 703-228-4986.

Offender Aid and Restoration of Arlington and Community Role Models, wrap gifts for children whose parents are incarcerated, from 6 to 9 p.m. Dec. 13. 703-228-7051 or 571-344-8256.

Opera Theatre of Northern Virginia needs backstage personnel, ushers and ticket-takers from noon to 5 p.m. Nov. 13 and 19 at the Thomas Jefferson Community Center. 703-528-1433.

RPJ Housing Development Corp., assist with organizing Monte Carlo Night, scheduled for May 12. 703-528-5606, Ext. 18.

Randolph Elementary School, be a 45-minute lunch buddy once a week or an hour study buddy after school. Must be at least 18 years old. 703-228-2321.

-- Compiled by RIA MANGLAPUS

To Submit an Item

E-mail: alexextra@washpost.com

Fax: 703-518-3001

Mail: Volunteers, The Washington Post, Alexandria-Arlington Extra, 526 King St., Suite 515, Alexandria, Va. 22314

Details: Notices are accepted on a space-available basis from public and nonprofit groups only and must be received at least 14 days before the Thursday publication date.