A PO BOX number can be less than or more than four digit. For post office boxes, the general rule is that each box has its own ZIP+4 code.
The last four digit is often one of the following:
1. Zero plus the last three digits of the box number (eg. PO BOX 1001, Los Angeles CA 90001-0001).
2. The last four digits of the box number (eg. PO BOX 9991, Twin Peaks CA 92391-9991).
3. If the box number is less than four digits, enough zeros prepended to the front of the box number to produce a four-digit number(eg. PO BOX 1, Shreveport LA 71161-0001).
However, there is no uniform rule, the zip code plus four is for reference only, the ZIP+4 code must be looked up individually for each box in the USPS offical website.
PO BOX 801, WINNFIELD, LA 71483-0801
PO BOX 802, WINNFIELD, LA 71483-0802
PO BOX 803, WINNFIELD, LA 71483-0803
PO BOX 804, WINNFIELD, LA 71483-0804
PO BOX 805, WINNFIELD, LA 71483-0805
PO BOX 806, WINNFIELD, LA 71483-0806
PO BOX 807, WINNFIELD, LA 71483-0807
PO BOX 808, WINNFIELD, LA 71483-0808
PO BOX 809, WINNFIELD, LA 71483-0809
PO BOX 810, WINNFIELD, LA 71483-0810
PO BOX 811, WINNFIELD, LA 71483-0811
PO BOX 812, WINNFIELD, LA 71483-0812
PO BOX 813, WINNFIELD, LA 71483-0813
PO BOX 814, WINNFIELD, LA 71483-0814
PO BOX 815, WINNFIELD, LA 71483-0815
PO BOX 816, WINNFIELD, LA 71483-0816
PO BOX 817, WINNFIELD, LA 71483-0817
PO BOX 818, WINNFIELD, LA 71483-0818
PO BOX 819, WINNFIELD, LA 71483-0819
PO BOX 820, WINNFIELD, LA 71483-0820
PO BOX 821, WINNFIELD, LA 71483-0821
PO BOX 822, WINNFIELD, LA 71483-0822
PO BOX 823, WINNFIELD, LA 71483-0823
PO BOX 824, WINNFIELD, LA 71483-0824
PO BOX 825, WINNFIELD, LA 71483-0825
PO BOX 826, WINNFIELD, LA 71483-0826
PO BOX 827, WINNFIELD, LA 71483-0827
PO BOX 828, WINNFIELD, LA 71483-0828
PO BOX 829, WINNFIELD, LA 71483-0829
PO BOX 830, WINNFIELD, LA 71483-0830
PO BOX 831, WINNFIELD, LA 71483-0831
PO BOX 832, WINNFIELD, LA 71483-0832
PO BOX 833, WINNFIELD, LA 71483-0833
PO BOX 834, WINNFIELD, LA 71483-0834
PO BOX 835, WINNFIELD, LA 71483-0835
PO BOX 836, WINNFIELD, LA 71483-0836
PO BOX 837, WINNFIELD, LA 71483-0837
PO BOX 838, WINNFIELD, LA 71483-0838
PO BOX 839, WINNFIELD, LA 71483-0839
PO BOX 840, WINNFIELD, LA 71483-0840
PO BOX 841, WINNFIELD, LA 71483-0841
PO BOX 842, WINNFIELD, LA 71483-0842
PO BOX 843, WINNFIELD, LA 71483-0843
PO BOX 844, WINNFIELD, LA 71483-0844
PO BOX 845, WINNFIELD, LA 71483-0845
PO BOX 846, WINNFIELD, LA 71483-0846
PO BOX 847, WINNFIELD, LA 71483-0847
PO BOX 848, WINNFIELD, LA 71483-0848
PO BOX 849, WINNFIELD, LA 71483-0849
PO BOX 850, WINNFIELD, LA 71483-0850
PO BOX 851, WINNFIELD, LA 71483-0851
PO BOX 852, WINNFIELD, LA 71483-0852
PO BOX 853, WINNFIELD, LA 71483-0853
PO BOX 854, WINNFIELD, LA 71483-0854
PO BOX 855, WINNFIELD, LA 71483-0855
PO BOX 856, WINNFIELD, LA 71483-0856
PO BOX 857, WINNFIELD, LA 71483-0857
PO BOX 858, WINNFIELD, LA 71483-0858
PO BOX 859, WINNFIELD, LA 71483-0859
PO BOX 860, WINNFIELD, LA 71483-0860
PO BOX 861, WINNFIELD, LA 71483-0861
PO BOX 862, WINNFIELD, LA 71483-0862
PO BOX 863, WINNFIELD, LA 71483-0863
PO BOX 864, WINNFIELD, LA 71483-0864
PO BOX 865, WINNFIELD, LA 71483-0865
PO BOX 866, WINNFIELD, LA 71483-0866
PO BOX 867, WINNFIELD, LA 71483-0867
PO BOX 868, WINNFIELD, LA 71483-0868
PO BOX 869, WINNFIELD, LA 71483-0869
PO BOX 870, WINNFIELD, LA 71483-0870
PO BOX 871, WINNFIELD, LA 71483-0871
PO BOX 872, WINNFIELD, LA 71483-0872
PO BOX 873, WINNFIELD, LA 71483-0873
PO BOX 874, WINNFIELD, LA 71483-0874
PO BOX 875, WINNFIELD, LA 71483-0875
PO BOX 876, WINNFIELD, LA 71483-0876
PO BOX 877, WINNFIELD, LA 71483-0877
PO BOX 878, WINNFIELD, LA 71483-0878
PO BOX 879, WINNFIELD, LA 71483-0879
PO BOX 880, WINNFIELD, LA 71483-0880
PO BOX 881, WINNFIELD, LA 71483-0881
PO BOX 882, WINNFIELD, LA 71483-0882
PO BOX 883, WINNFIELD, LA 71483-0883
PO BOX 884, WINNFIELD, LA 71483-0884
PO BOX 885, WINNFIELD, LA 71483-0885
PO BOX 886, WINNFIELD, LA 71483-0886
PO BOX 887, WINNFIELD, LA 71483-0887
PO BOX 888, WINNFIELD, LA 71483-0888
PO BOX 889, WINNFIELD, LA 71483-0889
PO BOX 890, WINNFIELD, LA 71483-0890
PO BOX 891, WINNFIELD, LA 71483-0891
PO BOX 892, WINNFIELD, LA 71483-0892
PO BOX 893, WINNFIELD, LA 71483-0893
PO BOX 894, WINNFIELD, LA 71483-0894
PO BOX 895, WINNFIELD, LA 71483-0895
PO BOX 896, WINNFIELD, LA 71483-0896
PO BOX 897, WINNFIELD, LA 71483-0897
PO BOX 898, WINNFIELD, LA 71483-0898
PO BOX 899, WINNFIELD, LA 71483-0899
PO BOX 900, WINNFIELD, LA 71483-0900
PO BOX 901, WINNFIELD, LA 71483-0901
PO BOX 902, WINNFIELD, LA 71483-0902
PO BOX 903, WINNFIELD, LA 71483-0903
PO BOX 904, WINNFIELD, LA 71483-0904
PO BOX 905, WINNFIELD, LA 71483-0905
PO BOX 906, WINNFIELD, LA 71483-0906
PO BOX 907, WINNFIELD, LA 71483-0907
PO BOX 908, WINNFIELD, LA 71483-0908
PO BOX 909, WINNFIELD, LA 71483-0909
PO BOX 910, WINNFIELD, LA 71483-0910
PO BOX 911, WINNFIELD, LA 71483-0911
PO BOX 912, WINNFIELD, LA 71483-0912
PO BOX 913, WINNFIELD, LA 71483-0913
PO BOX 914, WINNFIELD, LA 71483-0914
PO BOX 915, WINNFIELD, LA 71483-0915
PO BOX 916, WINNFIELD, LA 71483-0916
PO BOX 917, WINNFIELD, LA 71483-0917
PO BOX 918, WINNFIELD, LA 71483-0918
PO BOX 919, WINNFIELD, LA 71483-0919
PO BOX 920, WINNFIELD, LA 71483-0920
PO BOX 921, WINNFIELD, LA 71483-0921
PO BOX 922, WINNFIELD, LA 71483-0922
PO BOX 923, WINNFIELD, LA 71483-0923
PO BOX 924, WINNFIELD, LA 71483-0924
PO BOX 925, WINNFIELD, LA 71483-0925
PO BOX 926, WINNFIELD, LA 71483-0926
PO BOX 927, WINNFIELD, LA 71483-0927
PO BOX 928, WINNFIELD, LA 71483-0928
PO BOX 929, WINNFIELD, LA 71483-0929
PO BOX 930, WINNFIELD, LA 71483-0930
PO BOX 931, WINNFIELD, LA 71483-0931
PO BOX 932, WINNFIELD, LA 71483-0932
PO BOX 933, WINNFIELD, LA 71483-0933
PO BOX 934, WINNFIELD, LA 71483-0934
PO BOX 935, WINNFIELD, LA 71483-0935
PO BOX 936, WINNFIELD, LA 71483-0936
PO BOX 937, WINNFIELD, LA 71483-0937
PO BOX 938, WINNFIELD, LA 71483-0938
PO BOX 939, WINNFIELD, LA 71483-0939
PO BOX 940, WINNFIELD, LA 71483-0940
PO BOX 941, WINNFIELD, LA 71483-0941
PO BOX 942, WINNFIELD, LA 71483-0942
PO BOX 943, WINNFIELD, LA 71483-0943
PO BOX 944, WINNFIELD, LA 71483-0944
PO BOX 945, WINNFIELD, LA 71483-0945
PO BOX 946, WINNFIELD, LA 71483-0946
PO BOX 947, WINNFIELD, LA 71483-0947
PO BOX 948, WINNFIELD, LA 71483-0948
PO BOX 949, WINNFIELD, LA 71483-0949
PO BOX 950, WINNFIELD, LA 71483-0950
PO BOX 951, WINNFIELD, LA 71483-0951
PO BOX 952, WINNFIELD, LA 71483-0952
PO BOX 953, WINNFIELD, LA 71483-0953
PO BOX 954, WINNFIELD, LA 71483-0954
PO BOX 955, WINNFIELD, LA 71483-0955
PO BOX 956, WINNFIELD, LA 71483-0956
PO BOX 957, WINNFIELD, LA 71483-0957
PO BOX 958, WINNFIELD, LA 71483-0958
PO BOX 959, WINNFIELD, LA 71483-0959
PO BOX 960, WINNFIELD, LA 71483-0960
PO BOX 961, WINNFIELD, LA 71483-0961
PO BOX 962, WINNFIELD, LA 71483-0962
PO BOX 963, WINNFIELD, LA 71483-0963
PO BOX 964, WINNFIELD, LA 71483-0964
PO BOX 965, WINNFIELD, LA 71483-0965
PO BOX 966, WINNFIELD, LA 71483-0966
PO BOX 967, WINNFIELD, LA 71483-0967
PO BOX 968, WINNFIELD, LA 71483-0968
PO BOX 969, WINNFIELD, LA 71483-0969
PO BOX 970, WINNFIELD, LA 71483-0970
PO BOX 971, WINNFIELD, LA 71483-0971
PO BOX 972, WINNFIELD, LA 71483-0972
PO BOX 973, WINNFIELD, LA 71483-0973
PO BOX 974, WINNFIELD, LA 71483-0974
PO BOX 975, WINNFIELD, LA 71483-0975
PO BOX 976, WINNFIELD, LA 71483-0976
PO BOX 977, WINNFIELD, LA 71483-0977
PO BOX 978, WINNFIELD, LA 71483-0978
PO BOX 979, WINNFIELD, LA 71483-0979
PO BOX 980, WINNFIELD, LA 71483-0980
PO BOX 981, WINNFIELD, LA 71483-0981
PO BOX 982, WINNFIELD, LA 71483-0982
PO BOX 983, WINNFIELD, LA 71483-0983
PO BOX 984, WINNFIELD, LA 71483-0984
PO BOX 985, WINNFIELD, LA 71483-0985
PO BOX 986, WINNFIELD, LA 71483-0986
PO BOX 987, WINNFIELD, LA 71483-0987
PO BOX 988, WINNFIELD, LA 71483-0988
PO BOX 989, WINNFIELD, LA 71483-0989
PO BOX 990, WINNFIELD, LA 71483-0990
PO BOX 991, WINNFIELD, LA 71483-0991
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