Little Bay Islands NL exchange closed down effective 2020-01-01 (CRTC Telecom order 2019-434). This followed a decision by permanent residents of the community in 2019 to accept relocation with compensation by the provincial government of Newfoundland and Labrador. See Wikipedia article for more information.
Local calling among the following rate centres in Québec: Frampton, Saint-Bernard-de-Dorchester, Saint-Henri-de-Lévis, Saint-Lambert-de-Lauzon, Sainte-Hénédine, Sainte-Marie, Vallée-Jonction, effective 2019-11-05
Dixville Telephone Company, serving Dixville Notch NH, has discontinued operations since it no longer has any customers. 603-255 will be returned effective 2019-08-31.
Source: NH PUC
Garden Valley Telephone (MN) has company-wide local calling effective 2019-07-01
Brighton CO consolidated with Denver CO. Brighton previously had local calling with Roggen; as of 2018-06-20, so does the rest of the Denver rate centre.
Added calling information for Copper Valley Telephone Cooperative (OCN 3006)