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For a new Guardian System
1-888-279-6971
For current customers
Customer Care: 1-888-895-4805
Billing Inquiries: 1-800-250-6426

Corporate Headquarters
Guardian Protection Services
650 Ridge Road
Pittsburgh PA 15205-9511


Local Offices:
Guardian Protection Services
204 Diplomat Drive
Lester, PA 19113

Guardian Protection Services
Northgate Business Park
Building #1
119 Naylor Mill Road
Suite #14
Salisbury, MD 21801