Reference Data Rate Center Directory TREECE, KS Rate Center TREECE — KS Data last updated: March 10, 2026 LATA 538 State KS Area Codes 1 Exchanges (NXX) 3 Carriers 2 Coordinates 37.00032999355454, -94.84345460934583 Area Codes 620 Top Carriers Carrier OCN NXX Count SOUTHWESTERN BELL 9533 2 NUSO, LLC 478J 1
