In a listing yesterday for tickets to "A Chorus Line" benefit by the National Women's political Caucus the organization's phone number was incorrectly listed The correct one is 344-4456.

Some far-sighted organizations bought out the entire 2,302-seat Kennedy Center Opera House for "A Chorus Line" benefits.

This means a tax-deductible charge on top of the actual ticket price, but also the confidence that the difference goes to a bona fide charity and not to a scalper. Here are performances for which such tickets still may be purchased:

Wednesday night, Sept. 14, the night before the official press night, is sponsored by the Washington Chapter of Juvenile Diabetes Foundation, for which Dina Merrill, Mayor Walter Washington, Billy Talbert and Sens. Charles McC. Mathias Jr. and Richard S. Schweiker are among the honorary chairmen. Details at (301) 552-1324.

Sunday matinee, Sept. 18: Friends for Promotion of Mental Health, details at 726-5205 or 832-5993.

Saturday evening, Sept. 24: Women's American ORT (Organization for Rehabilitation and Training), details at 588-7873.

Tuesday evening, Oct. 25: Hadassah, details at 585-7772.

Wednesday evening, Oct. 26: National Women's Political Caucus, details at 544-5111.

Other groups have bought out blocks of seats. It's thought that most of these already are sold.

The New Playwrights' Theater of Washington bought out the entire orchestra floor of 1,374 seats for the night of Monday, Oct. 31. Its members and subscribers will be entitled to buy some; others will be used during the theater's coming fund drive. NPT's association with Joseph Papp's New York Shakespeare Festival which created "A Chorus Line," though last season's "Hagar's Children" was a big help in this negotiation. Details at 232-1122.

NPT founder Harry Bagdasian hopes that his "logical gamble" will pay off his theater's outstanding debts. Meantime, "Sweet and Hot," from the songs of Harold Arlen, will continue at the 1742 Church St. NW theater through Sept. 4, with Wednesday through Sunday performances.

The Everyman Street Theater will devote its eighth summer to an original musical "Muntu Magic," by Mike Malone and H. Q. Thompson, with choreographer Malone and Kenneth Daughterty directing. The first performance will be Monday at 8 p.m. at 14th and T Streets, with 18 more to follow across the city, generally in the evening. There will be a noon performance Aug. 17 at George Washington University Student Center and other noon performances Aug. 24 in Farragut Square, Aug. 29 at Gallery Place, 8th and F Streets NW and Aug. 31 at Municipal Center, Third and C Streets NW.

"The Congo," Vachel Lindsay's poem, is the inspiration for Harry Poe's "Tapestry," being presented Tuesdays through Saturdays at 8 p.m., Sunday afternoons at 2, through Aug. 28 in the Musical Theater Lab atop the Kennedy Center. Tickets are free but must be obtained at the Friends' desk in the Hall of States.

Mary Martin's injured knee cartilage has altered the schedule but not performances of "Do You Turn Somersaults?" - which will preview at the Eisenhower Aug. 18 through 21, with the official opening now on Monday Aug. 22.

"The Anvil," Julia Davis's drama about John Brown, will be presented in the courtroom where Brown's original trial took place, the Charles Town, W.Va., Court House. Performances begin tonight at 8 to continue through Aug. 20. Neal Randell, who created the role, will be Brown, with Stephen Luckett as Shields Green, Brown's leading henchman at the Harpers Ferry raid of 1859. Reservations at (304) 725-3047.