
In September of 2006, OPCS Federal Credit Union was approved for its community charter. Membership is now available to those who live, work, worship, volunteer, work or go to school or other legal entities in the townships of: Aurora, Boston, Brant, Colden, Collins, Concord, Eden, Elma, Evans, Hamburg, Holland, Marilla, North Collins, Orchard Park, Sardinia, Wales, West Seneca or the City of Lackawanna, New York.
The following members of your immediate family or household are also eligible for credit union membership:
| Spouse | Grandchild | Father-in-Law |
| Child | Grandparent | Mother-in-Law |
| Mother | Stepchild | Brother-in-Law |
| Father | Stepbrother | Sister-in-Law |
| Brother | Stepsister | Son-in-Law |
| Sister | Stepmother | Daughter-in-Law |
| Stepfather |