The city's 17 Federal Emergency Management Agency disaster recovery centers will no longer be available on Sundays.
FEMA officials says foot traffic in the centers has slowed down significantly.
The 17 DRCs that currently remain open across the city are open from 8 a.m. to 6 p.m., Monday through Saturday.
More than 145,000 people have visited the city's recovery centers so far.
The deadline to register for federal help is February 27.
To find a location, visit FEMA.gov/disaster-recovery-centers.