CREATE TABLE table_66524 ("New area code" FLOAT, "Where" CLOB, "Affected area codes" CLOB, "Format" CLOB, "Effective date" CLOB)

Which Affected area codes have an Effective date of august 30, 2014?
SELECT "Affected area codes" FROM table_66524 WHERE "Effective date" = 'august 30, 2014'
SELECT "Affected area codes" FROM "table_66524" WHERE "Effective date" = 'august 30, 2014'