Telephone hours
Monday - Thursday: 9 am - 8 pm
Friday - Saturday: 9 am - 6 pm
Sunday: 9 am - 5 pm
MCL staff chat hours
Mon - Sat: 9 am - 5 pm
Sun: 12 pm - 5 pm
Chat staffed by other libraries outside of these hours
Mailing address
Library Operations Center
221 NE 122nd Avenue
Portland, OR 97230