Postcodes first introduced in February 1990

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January 2012 (12 new postcodes) December 2011 (1364 new postcodes) November 2011 (1505 new postcodes) October 2011 (1595 new postcodes) September 2011 (1218 new postcodes) August 2011 (1814 new postcodes) July 2011 (1335 new postcodes) June 2011 (1564 new postcodes) May 2011 (3282 new postcodes) March 2011 (1827 new postcodes) February 2011 (1738 new postcodes) January 2011 (1743 new postcodes) December 2010 (1190 new postcodes) November 2010 (2094 new postcodes) October 2010 (1761 new postcodes) September 2010 (1707 new postcodes) August 2010 (1966 new postcodes) July 2010 (1838 new postcodes) June 2010 (1690 new postcodes) May 2010 (2202 new postcodes) April 2010 (1756 new postcodes) March 2010 (1923 new postcodes) February 2010 (2394 new postcodes) January 2010 (1579 new postcodes) December 2009 (1542 new postcodes) November 2009 (2164 new postcodes) October 2009 (1906 new postcodes) September 2009 (1954 new postcodes) August 2009 (2252 new postcodes) July 2009 (1997 new postcodes) June 2009 (2871 new postcodes) May 2009 (2022 new postcodes) April 2009 (2065 new postcodes) March 2009 (2143 new postcodes) February 2009 (2692 new postcodes) January 2009 (2032 new postcodes) December 2008 (1793 new postcodes) November 2008 (2610 new postcodes) October 2008 (2112 new postcodes) September 2008 (2591 new postcodes) August 2008 (2392 new postcodes) July 2008 (2434 new postcodes) June 2008 (3063 new postcodes) May 2008 (2505 new postcodes) April 2008 (2398 new postcodes) March 2008 (3354 new postcodes) February 2008 (2841 new postcodes) January 2008 (4632 new postcodes) December 2007 (1892 new postcodes) November 2007 (2731 new postcodes) October 2007 (2314 new postcodes) September 2007 (3112 new postcodes) August 2007 (2519 new postcodes) July 2007 (5723 new postcodes) June 2007 (2387 new postcodes) May 2007 (2574 new postcodes) April 2007 (3305 new postcodes) March 2007 (2615 new postcodes) February 2007 (2960 new postcodes) January 2007 (7114 new postcodes) December 2006 (73 new postcodes) November 2006 (2281 new postcodes) October 2006 (3536 new postcodes) September 2006 (5496 new postcodes) August 2006 (2410 new postcodes) July 2006 (5689 new postcodes) June 2006 (2444 new postcodes) May 2006 (2157 new postcodes) April 2006 (2852 new postcodes) March 2006 (2784 new postcodes) February 2006 (2810 new postcodes) January 2006 (2884 new postcodes) December 2005 (2029 new postcodes) November 2005 (2265 new postcodes) October 2005 (3161 new postcodes) September 2005 (2763 new postcodes) August 2005 (2714 new postcodes) July 2005 (2488 new postcodes) June 2005 (2533 new postcodes) May 2005 (2725 new postcodes) April 2005 (2993 new postcodes) March 2005 (4849 new postcodes) February 2005 (9574 new postcodes) January 2005 (7601 new postcodes) December 2004 (26 new postcodes) November 2004 (3671 new postcodes) October 2004 (3078 new postcodes) September 2004 (3470 new postcodes) August 2004 (3469 new postcodes) July 2004 (2996 new postcodes) June 2004 (2890 new postcodes) May 2004 (3997 new postcodes) April 2004 (2038 new postcodes) March 2004 (3178 new postcodes) February 2004 (3863 new postcodes) January 2004 (6689 new postcodes) November 2003 (3840 new postcodes) October 2003 (2779 new postcodes) September 2003 (3768 new postcodes) August 2003 (2859 new postcodes) July 2003 (3219 new postcodes) June 2003 (3908 new postcodes) May 2003 (2923 new postcodes) April 2003 (2887 new postcodes) March 2003 (4721 new postcodes) February 2003 (4139 new postcodes) January 2003 (2687 new postcodes) December 2002 (3328 new postcodes) November 2002 (2793 new postcodes) October 2002 (3098 new postcodes) September 2002 (3614 new postcodes) August 2002 (3046 new postcodes) July 2002 (6977 new postcodes) June 2002 (21421 new postcodes) May 2002 (3276 new postcodes) April 2002 (14 new postcodes) March 2002 (78 new postcodes) January 2002 (1129 new postcodes) December 2001 (21764 new postcodes) October 2001 (11 new postcodes) September 2001 (35 new postcodes) August 2001 (35 new postcodes) July 2001 (121 new postcodes) June 2001 (23940 new postcodes) April 2001 (12 new postcodes) March 2001 (29 new postcodes) February 2001 (42 new postcodes) January 2001 (824 new postcodes) December 2000 (29740 new postcodes) November 2000 (101 new postcodes) October 2000 (10160 new postcodes) September 2000 (172 new postcodes) August 2000 (360 new postcodes) July 2000 (938 new postcodes) June 2000 (29206 new postcodes) May 2000 (613 new postcodes) March 2000 (194 new postcodes) February 2000 (271 new postcodes) January 2000 (385 new postcodes) December 1999 (22927 new postcodes) November 1999 (94 new postcodes) October 1999 (82 new postcodes) September 1999 (92 new postcodes) August 1999 (276 new postcodes) July 1999 (73 new postcodes) June 1999 (45406 new postcodes) April 1999 (264 new postcodes) February 1999 (201 new postcodes) January 1999 (109 new postcodes) December 1998 (24850 new postcodes) November 1998 (25 new postcodes) October 1998 (126 new postcodes) September 1998 (153 new postcodes) August 1998 (178 new postcodes) June 1998 (30900 new postcodes) May 1998 (158 new postcodes) April 1998 (37 new postcodes) March 1998 (58 new postcodes) February 1998 (89 new postcodes) January 1998 (309 new postcodes) December 1997 (29277 new postcodes) October 1997 (49 new postcodes) September 1997 (53 new postcodes) August 1997 (238 new postcodes) July 1997 (251 new postcodes) June 1997 (22664 new postcodes) April 1997 (62 new postcodes) March 1997 (63 new postcodes) February 1997 (240 new postcodes) December 1996 (18341 new postcodes) October 1996 (24 new postcodes) September 1996 (12 new postcodes) July 1996 (45 new postcodes) June 1996 (28248 new postcodes) December 1995 (21089 new postcodes) July 1995 (31972 new postcodes) January 1995 (16869 new postcodes) December 1994 (25551 new postcodes) November 1994 (9 new postcodes) October 1994 (1056 new postcodes) September 1994 (145 new postcodes) August 1994 (1 new postcodes) June 1994 (309 new postcodes) May 1994 (39268 new postcodes) April 1994 (14 new postcodes) March 1994 (2 new postcodes) February 1994 (1357 new postcodes) October 1993 (1 new postcodes) September 1993 (70 new postcodes) August 1993 (15975 new postcodes) July 1993 (19 new postcodes) June 1993 (237 new postcodes) May 1993 (569 new postcodes) April 1993 (2 new postcodes) March 1993 (4 new postcodes) February 1993 (306 new postcodes) January 1993 (19127 new postcodes) December 1992 (12 new postcodes) November 1992 (1 new postcodes) October 1992 (885 new postcodes) August 1992 (26056 new postcodes) July 1992 (888 new postcodes) June 1992 (4 new postcodes) May 1992 (465 new postcodes) March 1992 (4 new postcodes) February 1992 (307 new postcodes) January 1992 (14768 new postcodes) December 1991 (1 new postcodes) November 1991 (225 new postcodes) October 1991 (9 new postcodes) September 1991 (15694 new postcodes) August 1991 (53 new postcodes) July 1991 (210 new postcodes) March 1991 (378 new postcodes) February 1991 (11 new postcodes) January 1991 (11635 new postcodes) December 1990 (1408 new postcodes) November 1990 (90 new postcodes) October 1990 (8 new postcodes) September 1990 (456 new postcodes) August 1990 (7606 new postcodes) July 1990 (15786 new postcodes) June 1990 (222 new postcodes) May 1990 (9 new postcodes) April 1990 (4 new postcodes) March 1990 (20 new postcodes) February 1990 (25543 new postcodes) January 1990 (1 new postcodes) December 1989 (40 new postcodes) November 1989 (34 new postcodes) October 1989 (196 new postcodes) September 1989 (18 new postcodes) July 1989 (420 new postcodes) June 1989 (19 new postcodes) May 1989 (24 new postcodes) April 1989 (340 new postcodes) March 1989 (14 new postcodes) February 1989 (40 new postcodes) November 1988 (68 new postcodes) October 1988 (13 new postcodes) August 1988 (31 new postcodes) May 1988 (6 new postcodes) April 1988 (5 new postcodes) March 1988 (7817 new postcodes) February 1988 (15 new postcodes) January 1988 (9 new postcodes) December 1987 (10 new postcodes) November 1987 (6 new postcodes) October 1987 (3549 new postcodes) September 1987 (113 new postcodes) August 1987 (74 new postcodes) July 1987 (38 new postcodes) June 1987 (108 new postcodes) May 1987 (67 new postcodes) April 1987 (10433 new postcodes) March 1987 (161 new postcodes) February 1987 (81 new postcodes) January 1987 (187 new postcodes) December 1986 (128 new postcodes) November 1986 (30 new postcodes) October 1986 (93 new postcodes) September 1986 (135 new postcodes) August 1986 (61 new postcodes) July 1986 (7424 new postcodes) June 1986 (165 new postcodes) May 1986 (148 new postcodes) April 1986 (6722 new postcodes) March 1986 (22 new postcodes) February 1986 (176 new postcodes) January 1986 (2000 new postcodes) December 1985 (159 new postcodes) November 1985 (86 new postcodes) October 1985 (6906 new postcodes) September 1985 (123 new postcodes) August 1985 (44 new postcodes) July 1985 (161 new postcodes) June 1985 (5 new postcodes) May 1985 (78 new postcodes) April 1985 (9092 new postcodes) March 1985 (89 new postcodes) February 1985 (43 new postcodes) January 1985 (268 new postcodes) December 1984 (34723 new postcodes) November 1984 (34 new postcodes) October 1984 (7582 new postcodes) September 1984 (96 new postcodes) July 1984 (55 new postcodes) June 1984 (88 new postcodes) May 1984 (74 new postcodes) March 1984 (159 new postcodes) February 1984 (5334 new postcodes) January 1984 (54 new postcodes) December 1983 (88 new postcodes) November 1983 (60 new postcodes) October 1983 (129 new postcodes) September 1983 (7 new postcodes) August 1983 (139 new postcodes) July 1983 (6586 new postcodes) June 1983 (118 new postcodes) May 1983 (106 new postcodes) April 1983 (108 new postcodes) March 1983 (6032 new postcodes) February 1983 (188 new postcodes) January 1983 (5794 new postcodes) December 1982 (231 new postcodes) November 1982 (8 new postcodes) September 1982 (7 new postcodes) August 1982 (189 new postcodes) July 1982 (21 new postcodes) June 1982 (185 new postcodes) May 1982 (6 new postcodes) April 1982 (149 new postcodes) March 1982 (4681 new postcodes) February 1982 (21 new postcodes) January 1982 (11 new postcodes) December 1981 (517 new postcodes) November 1981 (5 new postcodes) October 1981 (42 new postcodes) September 1981 (3692 new postcodes) August 1981 (11 new postcodes) July 1981 (216 new postcodes) June 1981 (16190 new postcodes) May 1981 (58 new postcodes) April 1981 (42 new postcodes) March 1981 (90 new postcodes) February 1981 (49 new postcodes) January 1981 (73 new postcodes) December 1980 (133 new postcodes) November 1980 (84 new postcodes) October 1980 (146 new postcodes) September 1980 (128 new postcodes) August 1980 (9 new postcodes) July 1980 (123 new postcodes) June 1980 (86 new postcodes) May 1980 (6 new postcodes) April 1980 (178 new postcodes) March 1980 (196 new postcodes) February 1980 (179 new postcodes) January 1980 (1335658 new postcodes) December 1979 (51 new postcodes) November 1979 (1 new postcodes) October 1979 (1 new postcodes) September 1979 (2 new postcodes) August 1979 (13 new postcodes) July 1979 (13 new postcodes) June 1979 (3 new postcodes) May 1979 (51 new postcodes) April 1979 (5 new postcodes) March 1979 (10 new postcodes) February 1979 (6 new postcodes) January 1979 (8 new postcodes) December 1978 (23 new postcodes) November 1978 (14 new postcodes) October 1978 (17 new postcodes) September 1978 (6 new postcodes) August 1978 (19 new postcodes) July 1978 (41 new postcodes) June 1978 (19 new postcodes) May 1978 (16 new postcodes) April 1978 (4 new postcodes) March 1978 (20 new postcodes) February 1978 (5 new postcodes) January 1978 (30 new postcodes) December 1977 (20 new postcodes) November 1977 (2 new postcodes) October 1977 (41 new postcodes) September 1977 (12 new postcodes) August 1977 (39 new postcodes) July 1977 (38 new postcodes) June 1977 (8 new postcodes) May 1977 (31 new postcodes) April 1977 (4 new postcodes) March 1977 (74 new postcodes) February 1977 (7 new postcodes) January 1977 (6 new postcodes) December 1976 (60 new postcodes) November 1976 (4 new postcodes) October 1976 (6 new postcodes) September 1976 (23 new postcodes) August 1976 (24 new postcodes) July 1976 (50 new postcodes) June 1976 (21 new postcodes) May 1976 (9 new postcodes) April 1976 (55 new postcodes) March 1976 (3 new postcodes) February 1976 (23 new postcodes) January 1976 (43 new postcodes) December 1975 (17 new postcodes) November 1975 (4 new postcodes) October 1975 (6 new postcodes) September 1975 (60 new postcodes) August 1975 (8 new postcodes) July 1975 (8 new postcodes) June 1975 (25 new postcodes) May 1975 (4 new postcodes) April 1975 (62 new postcodes) March 1975 (15 new postcodes) February 1975 (23 new postcodes) January 1975 (13 new postcodes) December 1974 (13 new postcodes) November 1974 (8 new postcodes) October 1974 (18 new postcodes) September 1974 (5 new postcodes) August 1974 (2 new postcodes) July 1974 (2 new postcodes) June 1974 (34 new postcodes) April 1974 (2 new postcodes) March 1974 (16 new postcodes) February 1974 (5 new postcodes) January 1974 (243 new postcodes) August 1973 (12473 new postcodes)