According to the ATF database, there are 7 registered FFLs in Wahpeton, North Dakota.
18053 79 1/2 STREET SEWAHPETON, ND, 58075
7653 180TH AVE SEWAHPETON, ND, 58075
7858 177TH AVE SEWAHPETON, ND, 58075
514 DAKOTA AVEWAHPETON, ND, 58075
17375 83RD ST SEWAHPETON, ND, 58075
8027 MYRON RDWAHPETON, ND, 58075
8470 CO RD 7WAHPETON, ND, 580759557