Amendment concerning apportionment to following central office announcements 255, 257, 289, 317, 333, 334, 347, 356, 372, 374, 375, 399, 403, 404, 407, 411 (B), 412 (B), 419 (B), 424 (B), 427 (B), 431, 434, 435 (B), 440 (B), 442(B), 444.