Post Offices Near Me in Barnwell, Alberta Post Offices Near Me in Barnwell, Alberta Home / Alberta / Barnwell / Post Offices Post Offices Canada Post 498 Heritage Rd, Barnwell, ABT0K 0B0, Barnwell, Alberta 800-267-1177 Post Offices Canada Post 498 Heritage Rd, Barnwell, AB T0K 0B0, Barnwell, Alberta 800-267-1177 Categories of companies in Barnwell Automobile Repairing & Service Contractors - General Lawn Maintenance Libraries Oil Field Services Post Offices Schools - Public Tree Services