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, SWIFTWATER, PA 18370-0801
PO BOX 802, SWIFTWATER, PA 18370-0802
PO BOX 803, SWIFTWATER, PA 18370-0803
PO BOX 804, SWIFTWATER, PA 18370-0804
PO BOX 805, SWIFTWATER, PA 18370-0805
PO BOX 806, SWIFTWATER, PA 18370-0806
PO BOX 807, SWIFTWATER, PA 18370-0807
PO BOX 808, SWIFTWATER, PA 18370-0808
PO BOX 809, SWIFTWATER, PA 18370-0809
PO BOX 810, SWIFTWATER, PA 18370-0810
PO BOX 811, SWIFTWATER, PA 18370-0811
PO BOX 812, SWIFTWATER, PA 18370-0812
PO BOX 813, SWIFTWATER, PA 18370-0813
PO BOX 814, SWIFTWATER, PA 18370-0814
PO BOX 815, SWIFTWATER, PA 18370-0815
PO BOX 816, SWIFTWATER, PA 18370-0816
PO BOX 817, SWIFTWATER, PA 18370-0817
PO BOX 818, SWIFTWATER, PA 18370-0818
PO BOX 819, SWIFTWATER, PA 18370-0819
PO BOX 820, SWIFTWATER, PA 18370-0820
PO BOX 821, SWIFTWATER, PA 18370-0821
PO BOX 822, SWIFTWATER, PA 18370-0822
PO BOX 823, SWIFTWATER, PA 18370-0823
PO BOX 824, SWIFTWATER, PA 18370-0824
PO BOX 825, SWIFTWATER, PA 18370-0825
PO BOX 826, SWIFTWATER, PA 18370-0826
PO BOX 827, SWIFTWATER, PA 18370-0827
PO BOX 828, SWIFTWATER, PA 18370-0828
PO BOX 829, SWIFTWATER, PA 18370-0829
PO BOX 830, SWIFTWATER, PA 18370-0830
PO BOX 831, SWIFTWATER, PA 18370-0831
PO BOX 832, SWIFTWATER, PA 18370-0832
PO BOX 833, SWIFTWATER, PA 18370-0833
PO BOX 834, SWIFTWATER, PA 18370-0834
PO BOX 835, SWIFTWATER, PA 18370-0835
PO BOX 836, SWIFTWATER, PA 18370-0836
PO BOX 837, SWIFTWATER, PA 18370-0837
PO BOX 838, SWIFTWATER, PA 18370-0838
PO BOX 839, SWIFTWATER, PA 18370-0839
PO BOX 840, SWIFTWATER, PA 18370-0840
PO BOX 841, SWIFTWATER, PA 18370-0841
PO BOX 842, SWIFTWATER, PA 18370-0842
PO BOX 843, SWIFTWATER, PA 18370-0843
PO BOX 844, SWIFTWATER, PA 18370-0844
PO BOX 845, SWIFTWATER, PA 18370-0845
PO BOX 846, SWIFTWATER, PA 18370-0846
PO BOX 847, SWIFTWATER, PA 18370-0847
PO BOX 848, SWIFTWATER, PA 18370-0848
PO BOX 849, SWIFTWATER, PA 18370-0849
PO BOX 850, SWIFTWATER, PA 18370-0850
PO BOX 851, SWIFTWATER, PA 18370-0851
PO BOX 852, SWIFTWATER, PA 18370-0852
PO BOX 853, SWIFTWATER, PA 18370-0853
PO BOX 854, SWIFTWATER, PA 18370-0854
PO BOX 855, SWIFTWATER, PA 18370-0855
PO BOX 856, SWIFTWATER, PA 18370-0856
PO BOX 857, SWIFTWATER, PA 18370-0857
PO BOX 858, SWIFTWATER, PA 18370-0858
PO BOX 859, SWIFTWATER, PA 18370-0859
PO BOX 860, SWIFTWATER, PA 18370-0860
PO BOX 861, SWIFTWATER, PA 18370-0861
PO BOX 862, SWIFTWATER, PA 18370-0862
PO BOX 863, SWIFTWATER, PA 18370-0863
PO BOX 864, SWIFTWATER, PA 18370-0864
PO BOX 865, SWIFTWATER, PA 18370-0865
PO BOX 866, SWIFTWATER, PA 18370-0866
PO BOX 867, SWIFTWATER, PA 18370-0867
PO BOX 868, SWIFTWATER, PA 18370-0868
PO BOX 869, SWIFTWATER, PA 18370-0869
PO BOX 870, SWIFTWATER, PA 18370-0870
PO BOX 871, SWIFTWATER, PA 18370-0871
PO BOX 872, SWIFTWATER, PA 18370-0872
PO BOX 873, SWIFTWATER, PA 18370-0873
PO BOX 874, SWIFTWATER, PA 18370-0874
PO BOX 875, SWIFTWATER, PA 18370-0875
PO BOX 876, SWIFTWATER, PA 18370-0876
PO BOX 877, SWIFTWATER, PA 18370-0877
PO BOX 878, SWIFTWATER, PA 18370-0878
PO BOX 879, SWIFTWATER, PA 18370-0879
PO BOX 880, SWIFTWATER, PA 18370-0880
PO BOX 881, SWIFTWATER, PA 18370-0881
PO BOX 882, SWIFTWATER, PA 18370-0882
PO BOX 883, SWIFTWATER, PA 18370-0883
PO BOX 884, SWIFTWATER, PA 18370-0884
PO BOX 885, SWIFTWATER, PA 18370-0885
PO BOX 886, SWIFTWATER, PA 18370-0886
PO BOX 887, SWIFTWATER, PA 18370-0887
PO BOX 888, SWIFTWATER, PA 18370-0888
PO BOX 889, SWIFTWATER, PA 18370-0889
PO BOX 890, SWIFTWATER, PA 18370-0890
PO BOX 891, SWIFTWATER, PA 18370-0891
PO BOX 892, SWIFTWATER, PA 18370-0892
PO BOX 893, SWIFTWATER, PA 18370-0893
PO BOX 894, SWIFTWATER, PA 18370-0894
PO BOX 895, SWIFTWATER, PA 18370-0895
PO BOX 896, SWIFTWATER, PA 18370-0896
PO BOX 897, SWIFTWATER, PA 18370-0897
PO BOX 898, SWIFTWATER, PA 18370-0898
PO BOX 899, SWIFTWATER, PA 18370-0899
PO BOX 900, SWIFTWATER, PA 18370-0900
PO BOX 901, SWIFTWATER, PA 18370-0901
PO BOX 902, SWIFTWATER, PA 18370-0902
PO BOX 903, SWIFTWATER, PA 18370-0903
PO BOX 904, SWIFTWATER, PA 18370-0904
PO BOX 905, SWIFTWATER, PA 18370-0905
PO BOX 906, SWIFTWATER, PA 18370-0906
PO BOX 907, SWIFTWATER, PA 18370-0907
PO BOX 908, SWIFTWATER, PA 18370-0908
PO BOX 909, SWIFTWATER, PA 18370-0909
PO BOX 910, SWIFTWATER, PA 18370-0910
PO BOX 911, SWIFTWATER, PA 18370-0911
PO BOX 912, SWIFTWATER, PA 18370-0912
PO BOX 913, SWIFTWATER, PA 18370-0913
PO BOX 914, SWIFTWATER, PA 18370-0914
PO BOX 915, SWIFTWATER, PA 18370-0915
PO BOX 916, SWIFTWATER, PA 18370-0916
PO BOX 917, SWIFTWATER, PA 18370-0917
PO BOX 918, SWIFTWATER, PA 18370-0918
PO BOX 919, SWIFTWATER, PA 18370-0919
PO BOX 920, SWIFTWATER, PA 18370-0920
PO BOX 921, SWIFTWATER, PA 18370-0921
PO BOX 922, SWIFTWATER, PA 18370-0922
PO BOX 923, SWIFTWATER, PA 18370-0923
PO BOX 924, SWIFTWATER, PA 18370-0924
PO BOX 925, SWIFTWATER, PA 18370-0925
PO BOX 926, SWIFTWATER, PA 18370-0926
PO BOX 927, SWIFTWATER, PA 18370-0927
PO BOX 928, SWIFTWATER, PA 18370-0928
PO BOX 929, SWIFTWATER, PA 18370-0929
PO BOX 930, SWIFTWATER, PA 18370-0930
PO BOX 931, SWIFTWATER, PA 18370-0931
PO BOX 932, SWIFTWATER, PA 18370-0932
PO BOX 933, SWIFTWATER, PA 18370-0933
PO BOX 934, SWIFTWATER, PA 18370-0934
PO BOX 935, SWIFTWATER, PA 18370-0935
PO BOX 936, SWIFTWATER, PA 18370-0936
PO BOX 937, SWIFTWATER, PA 18370-0937
PO BOX 938, SWIFTWATER, PA 18370-0938
PO BOX 939, SWIFTWATER, PA 18370-0939
PO BOX 940, SWIFTWATER, PA 18370-0940
PO BOX 941, SWIFTWATER, PA 18370-0941
PO BOX 942, SWIFTWATER, PA 18370-0942
PO BOX 943, SWIFTWATER, PA 18370-0943
PO BOX 944, SWIFTWATER, PA 18370-0944
PO BOX 945, SWIFTWATER, PA 18370-0945
PO BOX 946, SWIFTWATER, PA 18370-0946
PO BOX 947, SWIFTWATER, PA 18370-0947
PO BOX 948, SWIFTWATER, PA 18370-0948
PO BOX 949, SWIFTWATER, PA 18370-0949
PO BOX 950, SWIFTWATER, PA 18370-0950
PO BOX 951, SWIFTWATER, PA 18370-0951
PO BOX 952, SWIFTWATER, PA 18370-0952
PO BOX 953, SWIFTWATER, PA 18370-0953
PO BOX 954, SWIFTWATER, PA 18370-0954
PO BOX 955, SWIFTWATER, PA 18370-0955
PO BOX 956, SWIFTWATER, PA 18370-0956
PO BOX 957, SWIFTWATER, PA 18370-0957
PO BOX 958, SWIFTWATER, PA 18370-0958
PO BOX 959, SWIFTWATER, PA 18370-0959
PO BOX 960, SWIFTWATER, PA 18370-0960
PO BOX 961, SWIFTWATER, PA 18370-0961
PO BOX 962, SWIFTWATER, PA 18370-0962
PO BOX 963, SWIFTWATER, PA 18370-0963
PO BOX 964, SWIFTWATER, PA 18370-0964
PO BOX 965, SWIFTWATER, PA 18370-0965
PO BOX 966, SWIFTWATER, PA 18370-0966
PO BOX 967, SWIFTWATER, PA 18370-0967
PO BOX 968, SWIFTWATER, PA 18370-0968
PO BOX 969, SWIFTWATER, PA 18370-0969
PO BOX 970, SWIFTWATER, PA 18370-0970
PO BOX 971, SWIFTWATER, PA 18370-0971
PO BOX 972, SWIFTWATER, PA 18370-0972
PO BOX 973, SWIFTWATER, PA 18370-0973
PO BOX 974, SWIFTWATER, PA 18370-0974
PO BOX 975, SWIFTWATER, PA 18370-0975
PO BOX 976, SWIFTWATER, PA 18370-0976
PO BOX 977, SWIFTWATER, PA 18370-0977
PO BOX 978, SWIFTWATER, PA 18370-0978
PO BOX 979, SWIFTWATER, PA 18370-0979
PO BOX 980, SWIFTWATER, PA 18370-0980
PO BOX 981, SWIFTWATER, PA 18370-0981
PO BOX 982, SWIFTWATER, PA 18370-0982
PO BOX 983, SWIFTWATER, PA 18370-0983
PO BOX 984, SWIFTWATER, PA 18370-0984
PO BOX 985, SWIFTWATER, PA 18370-0985
PO BOX 986, SWIFTWATER, PA 18370-0986
PO BOX 987, SWIFTWATER, PA 18370-0987
PO BOX 988, SWIFTWATER, PA 18370-0988
PO BOX 989, SWIFTWATER, PA 18370-0989
PO BOX 990, SWIFTWATER, PA 18370-0990
PO BOX 991, SWIFTWATER, PA 18370-0991
PO BOX 992, SWIFTWATER, PA 18370-0992
PO BOX 993, SWIFTWATER, PA 18370-0993
PO BOX 994, SWIFTWATER, PA 18370-0994
PO BOX 995, SWIFTWATER, PA 18370-0995
PO BOX 996, SWIFTWATER, PA 18370-0996
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