NBC Sports Regional Networks' business and master control operations are based in Englewood Cliffs, NJ.

Although Comcast originally considered dropping its name from the networks in favor of NBC Sports following the merger, they still operated under the CSN brand for at least six more years.

Since 2021, three of the seven NBC Sports branded networks (Northwest, Washington and Chicago) were either closed or sold as part of the transformation of the regional media rights market.

[1][2] Immediately after the purchase was announced, there was speculation that Comcast would let Spectacor's television contracts with two local premium services that had long been carrying their games – PRISM (which carried movies and specials, in addition to sports events) and the all-sports network SportsChannel Philadelphia (both owned by Rainbow Media) – run out and create a sports network of its own, buy the existing networks or reach a complex deal with Rainbow to have PRISM and SportsChannel Philadelphia retain the broadcast rights to the 76ers and Flyers.

[1] After short-lived discussions between Rainbow Media and Comcast about the latter possibly becoming a part-owner in PRISM and SportsChannel Philadelphia,[5] on April 25, 1996, Comcast Spectacor formally announced plans to create a new Philadelphia-centric basic cable channel, which would carry sports events from the Flyers (whose contract with PRISM and SportsChannel was set to end that fall and was extended by one year on October 4, 1996, the day before its season home opener, after strained contract negotiations) and the Phillies.

[6][7][8] On July 21, 1997, Comcast acquired the local television rights to the Philadelphia 76ers, with the team opting out of its contract with PRISM and SportsChannel that was set to run until the 1999–2000 season.

[11][12] Minority owner News Corporation, which wanted to acquire full ownership of both networks to make them part of its Fox Sports Net group, sued Comcast and Viacom on July 21 in an attempt to block the sale.

[20][21][22] In April 2012, NBC Owned Television Stations took over responsibilities of selling national advertising on behalf of four CSN networks (New England, Mid-Atlantic, Northwest, and Philadelphia).

[28] In markets that didn't have an affiliate of that group, Comcast SportsNet also carried national programming distributed by competing regional sports network chain FSN (which included various college sports and UEFA Champions League soccer), a relationship that traced back to the launch of Comcast SportsNet Philadelphia (which took over the FSN programming rights from SportsChannel Philadelphia).

[35] NBC reportedly explored selling the remaining networks or converting them to streaming services,[36] with Sinclair Broadcast Group being cited as a likely bidder.

Comcast Local ceased operations in February 2008, as every major professional or college team in the region had its programming tied to FSN Detroit and/or the Big Ten Network.

Each of the NBC Sports regional network outlets have acquired the play-by-play broadcast rights to major sports teams in their regional market (exempting NFL regular season or playoff games, since the league's contracts require all games to be aired on broadcast television in each participating team's local markets).