Volunteers are planning to fan out across Allston Sunday to help in the search for a missing graduate student who was last seen at his home Tuesday.

The volunteers from LostNMissing Inc., a nationwide non-profit organization based in Londonderry, N.H., are scheduled to begin circulating posters about Jonathan Dailey, a second-year student at Boston Architectural College, around Allston early Sunday afternoon.

Cynthia Caron, president and founder of LostNMissing, said spreading the word about Dailey was a crucial first step.

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“The very first thing, the most important thing is to spread awareness, because some people may not watch the news or be online,” Caron said by phone en route to Allston.

Dailey, was last seen by his roommate Tuesday night in their apartment at 71 Gardner St., according to Boston police. His roommate reported that Dailey’s personal effects, including his eyeglasses and driver’s license, were found in the apartment.

Friends, family, and volunteers have been sharing information and coordinating efforts using a Facebook page created by the roommate, Miles Smith, to aid in the search. The student’s father, Bruce Dailey, said he had recently visited his son and saw no reason to be concerned about his condition or living situation.

LostNMissing Inc. said it is also awaiting permission from Dailey family and from Boston police to conduct an outright search for Dailey.

Boston Police are asking anyone who sees Dailey or has information regarding his whereabouts to call them at 617-343-4256 or to use the anonymous tip line by calling 1-800-494-TIPS or by texting the word ‘TIP’ to 27463.