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  • Sammamish Data Systems Inc
    Sammamish Data Systems Inc
    425.867.1485
    3941 226th Pl SE Apt 310, 98029-7286  Issaquah

    Sammamish Data Systems began in 1979, and we pride ourselves in providing highly accurate postal geography boundaries (Carrier Route, ZIP+2, and ZIP Code Polygons) and centroid products (ZIP+4 and Carrier Route) as well as street files, to facilitate detailed analysis in a variety of mapping applic…