Telephone hours
Monday : 10 am - 6 pm
Tuesday and Wednesday: 12 pm - 8 pm
Thursday - Saturday: 10 am - 6 pm
Sunday: 12 pm - 6 pm
MCL staff chat hours
Monday - Friday: 10 am - 6 pm
Saturday and Sunday: 11 am - 4 pm
Chat staffed by other libraries outside of these hours
Mailing address
Library Operations Center
221 NE 122nd Avenue
Portland, OR 97230