Reduce the list. Postcodes starting with:

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Postcodes (98 items):
20200 (27)
20201 (20)
20202 (19)
20203 (5)
20204 (10)
20205 (24)
20206 (15)
20207 (2)
20208 (2)
20209 (9)
20210 (1)
20211 (7)
20212 (8)
20213 (21)
20214 (8)
20215 (9)
20216 (9)
20217 (3)
20218 (6)
20219 (10)
20220 (4)
20221 (46)
20222 (20)
20223 (32)
20224 (47)
20225 (20)
20226 (20)
20227 (22)
20228 (28)
20229 (26)
20230 (14)
20231 (52)
20232 (27)
20233 (27)
20234 (1)
20235 (21)
20236 (15)
20237 (14)
20238 (17)
20239 (29)
20240 (13)
20241 (20)
20242 (21)
20243 (19)
20244 (20)
20245 (38)
20246 (27)
20247 (20)
20248 (10)
20250 (1)
20251 (10)
20252 (10)
20253 (28)
20254 (34)
20255 (61)
20256 (53)
20257 (59)
20258 (35)
20259 (19)
20260 (23)
20261 (42)
20262 (8)
20263 (32)
20264 (21)
20265 (16)
20266 (27)
20268 (30)
20269 (12)
20270 (21)
20271 (14)
20272 (11)
20273 (16)
20274 (23)
20275 (26)
20276 (44)
20277 (22)
20278 (9)
20279 (13)
20280 (13)
20281 (15)
20282 (6)
20283 (2)
20284 (33)
20285 (24)
20286 (23)
20287 (9)
20288 (27)
20289 (41)
20290 (24)
20291 (9)
20292 (44)
20293 (14)
20294 (3)
20295 (10)
20296 (24)
20297 (20)
20298 (11)
20299 (10)