Go back to directory. Add to Address Book. Mariah Braun Marketing & Research Coordinator City of Grande Prairie Address 11330 – 106 Street 217 Grande Prairie AB T8V 7X9 Canadawork Phone: 780-357-8780work Email: mbraun@cityofgp.comINTERNET Biographical Info http://www.investgrandeprairie.com Updated 6 months ago.