Reference Data Rate Center Directory PETROS, TN Rate Center PETROS — TN Data last updated: March 10, 2026 LATA 474 State TN Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 36.0956169468741, -84.44209976066546 Area Codes 423 Top Carriers Carrier OCN NXX Count HIGHLAND TEL. COOP, INC. 0565 1
