David W Spieker Delivery USPS David W Spieker Business contacts Email address: Phone number: Website: Physical address Street address: City: State: Zip code: Zip code: Mailing address Mailing street address: PO Box 211 Mailing city: Massena Mailing state: IA Mailing zip code: 50853-0211 Mailing country: Owner(s) — Fleet size — Driver count —