| Time zone: | PST |
|---|---|
| Street address: | 1637 E Holt Blvd. |
| City / suburb: | Ontario |
| Country: | USA |
| State: | California |
| ZIP code: | 91761 |
| Latitude: | 34.0648238 |
| Longitude: | -117.6164052 |
| Phone: | (909) 458-9500 |
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According to our records, this business is located at 1637 E Holt Blvd. in Ontario (in San Bernardino County), California 91761, the location GPS coordinates are: 34.0648238 (latitude), -117.6164052 (longitude). Human Service Systems is categorized under Social Service and Welfare Organizations (SIC code 8322). You can contact the company by phone at (909) 458-9500.
