Reference Data Rate Center Directory BRYNTWLWLK, SD Rate Center BRYNTWLWLK — SD Data last updated: March 10, 2026 LATA 640 State SD Area Codes 1 Exchanges (NXX) 2 Carriers 1 Coordinates 44.60864228851248, -97.56079413522501 Area Codes 605 Top Carriers Carrier OCN NXX Count INTERSTATE TELECOM COOP, INC. - SD 1651 2
