Reference Data Rate Center Directory COUNTYLINE, TX Rate Center COUNTYLINE — TX Data last updated: March 10, 2026 LATA 544 State TX Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 33.82508430000003, -102.027952 Area Codes 806 Top Carriers Carrier OCN NXX Count SOUTH PLAINS TEL. COOP., INC. 2143 1
