Ezra 2:26 lists the total number of the sons of Ramah and Geba as 621. This verse is part of a detailed account of the exiles who returned to Jerusalem from Babylon, highlighting the importance of genealogy and the restoration of the Jewish community. The specific mention of these two towns signifies the meticulous record-keeping and the significance of each family's heritage in the rebuilding of the nation. It reflects God's faithfulness in preserving His people and fulfilling His promises despite the challenges they faced in exile.