*1800: Marikina Central Post Office
*1801: San Roque-Calumpang
*1802: Industrial Valley
*1803: Barangka and Tañong
*1804: J. De La Peña
*1805: Malanday
*1806: Northern and Western Marikina River
*1807: Concepcion tarlac
*1808: Nangka
*1809: Parang
*1810: Marikina Heights
*1811: Concepcion 2
*1812-1819: Not used
*1820: Bagong Nayon, Cupang, Mambagat, and Mayamot