Reference Data Rate Center Directory SUMNER, ME Rate Center SUMNER — ME Data last updated: March 10, 2026 LATA 120 State ME Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 44.39201129999999, -70.4383944 Area Codes 207 Top Carriers Carrier OCN NXX Count OXFORD COUNTY TEL. & TEL. CO. 0019 1
