According to our records, this business is located in Upland (in San Bernardino County), California 91786, the location GPS coordinates are: 34.09751 (latitude), -117.6483876 (longitude). J D Phelps & Assoc is categorized under Computer Consultants (SIC code 7379). Current estimates show that the unit has a sales volume of $644,000 and staff of approximately 4 people. You can contact the company by phone at (909) 982-9678. Business website can be accessed at www.vspot.com.