Reference Data Rate Center Directory PORTLAND, AR Rate Center PORTLAND — AR Data last updated: March 10, 2026 LATA 530 State AR Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 33.23865096214323, -91.51127499510501 Area Codes 870 Top Carriers Carrier OCN NXX Count SOUTHWESTERN BELL 9533 1
