Original sentence: Two examples of "Call For Action" lines were the ones maintained by WMCA in New York City, with a telephone number of (212) PLaza 9-1717, and by WFIL in Philadelphia, whose Call For Action number was (215) GReenwood 7-5312
Edited sentence: The jingles used by the stations to announce these numbers became well known in both cities, and an interesting "side effect" was that after WMCA discontinued its Call For Action number, the subscriber subsequently assigned that number continued to receive calls asking for it even many years afterward.The old number belonging to WFIL (once associated with WPVI-TV, which also once held the WFIL call letters) is held by a west Philadelphia pizzeria as of July 2011.Two celebrated examples of "Call For Action" lines were the ones maintained by WMCA in New York City, with a telephone number of (212) PLaza 9-1717, and by WFIL in Philadelphia, whose Call For Action number was (215) GReenwood 7-5312