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 781, ALAMOGORDO, NM 88311-0781
PO BOX 782, ALAMOGORDO, NM 88311-0782
PO BOX 783, ALAMOGORDO, NM 88311-0783
PO BOX 784, ALAMOGORDO, NM 88311-0784
PO BOX 785, ALAMOGORDO, NM 88311-0785
PO BOX 786, ALAMOGORDO, NM 88311-0786
PO BOX 787, ALAMOGORDO, NM 88311-0787
PO BOX 788, ALAMOGORDO, NM 88311-0788
PO BOX 789, ALAMOGORDO, NM 88311-0789
PO BOX 790, ALAMOGORDO, NM 88311-0790
PO BOX 791, ALAMOGORDO, NM 88311-0791
PO BOX 792, ALAMOGORDO, NM 88311-0792
PO BOX 793, ALAMOGORDO, NM 88311-0793
PO BOX 794, ALAMOGORDO, NM 88311-0794
PO BOX 795, ALAMOGORDO, NM 88311-0795
PO BOX 796, ALAMOGORDO, NM 88311-0796
PO BOX 797, ALAMOGORDO, NM 88311-0797
PO BOX 798, ALAMOGORDO, NM 88311-0798
PO BOX 799, ALAMOGORDO, NM 88311-0799
PO BOX 800, ALAMOGORDO, NM 88311-0800
PO BOX 801, ALAMOGORDO, NM 88311-0801
PO BOX 802, ALAMOGORDO, NM 88311-0802
PO BOX 803, ALAMOGORDO, NM 88311-0803
PO BOX 804, ALAMOGORDO, NM 88311-0804
PO BOX 805, ALAMOGORDO, NM 88311-0805
PO BOX 806, ALAMOGORDO, NM 88311-0806
PO BOX 807, ALAMOGORDO, NM 88311-0807
PO BOX 808, ALAMOGORDO, NM 88311-0808
PO BOX 809, ALAMOGORDO, NM 88311-0809
PO BOX 810, ALAMOGORDO, NM 88311-0810
PO BOX 811, ALAMOGORDO, NM 88311-0811
PO BOX 812, ALAMOGORDO, NM 88311-0812
PO BOX 813, ALAMOGORDO, NM 88311-0813
PO BOX 814, ALAMOGORDO, NM 88311-0814
PO BOX 815, ALAMOGORDO, NM 88311-0815
PO BOX 816, ALAMOGORDO, NM 88311-0816
PO BOX 817, ALAMOGORDO, NM 88311-0817
PO BOX 818, ALAMOGORDO, NM 88311-0818
PO BOX 819, ALAMOGORDO, NM 88311-0819
PO BOX 820, ALAMOGORDO, NM 88311-0820
PO BOX 821, ALAMOGORDO, NM 88311-0821
PO BOX 822, ALAMOGORDO, NM 88311-0822
PO BOX 823, ALAMOGORDO, NM 88311-0823
PO BOX 824, ALAMOGORDO, NM 88311-0824
PO BOX 825, ALAMOGORDO, NM 88311-0825
PO BOX 826, ALAMOGORDO, NM 88311-0826
PO BOX 827, ALAMOGORDO, NM 88311-0827
PO BOX 828, ALAMOGORDO, NM 88311-0828
PO BOX 829, ALAMOGORDO, NM 88311-0829
PO BOX 830, ALAMOGORDO, NM 88311-0830
PO BOX 831, ALAMOGORDO, NM 88311-0831
PO BOX 832, ALAMOGORDO, NM 88311-0832
PO BOX 833, ALAMOGORDO, NM 88311-0833
PO BOX 834, ALAMOGORDO, NM 88311-0834
PO BOX 835, ALAMOGORDO, NM 88311-0835
PO BOX 836, ALAMOGORDO, NM 88311-0836
PO BOX 837, ALAMOGORDO, NM 88311-0837
PO BOX 838, ALAMOGORDO, NM 88311-0838
PO BOX 839, ALAMOGORDO, NM 88311-0839
PO BOX 840, ALAMOGORDO, NM 88311-0840
PO BOX 841, ALAMOGORDO, NM 88311-0841
PO BOX 842, ALAMOGORDO, NM 88311-0842
PO BOX 843, ALAMOGORDO, NM 88311-0843
PO BOX 844, ALAMOGORDO, NM 88311-0844
PO BOX 845, ALAMOGORDO, NM 88311-0845
PO BOX 846, ALAMOGORDO, NM 88311-0846
PO BOX 847, ALAMOGORDO, NM 88311-0847
PO BOX 848, ALAMOGORDO, NM 88311-0848
PO BOX 849, ALAMOGORDO, NM 88311-0849
PO BOX 850, ALAMOGORDO, NM 88311-0850
PO BOX 851, ALAMOGORDO, NM 88311-0851
PO BOX 852, ALAMOGORDO, NM 88311-0852
PO BOX 853, ALAMOGORDO, NM 88311-0853
PO BOX 854, ALAMOGORDO, NM 88311-0854
PO BOX 855, ALAMOGORDO, NM 88311-0855
PO BOX 856, ALAMOGORDO, NM 88311-0856
PO BOX 857, ALAMOGORDO, NM 88311-0857
PO BOX 858, ALAMOGORDO, NM 88311-0858
PO BOX 859, ALAMOGORDO, NM 88311-0859
PO BOX 860, ALAMOGORDO, NM 88311-0860
PO BOX 861, ALAMOGORDO, NM 88311-0861
PO BOX 862, ALAMOGORDO, NM 88311-0862
PO BOX 863, ALAMOGORDO, NM 88311-0863
PO BOX 864, ALAMOGORDO, NM 88311-0864
PO BOX 865, ALAMOGORDO, NM 88311-0865
PO BOX 866, ALAMOGORDO, NM 88311-0866
PO BOX 867, ALAMOGORDO, NM 88311-0867
PO BOX 868, ALAMOGORDO, NM 88311-0868
PO BOX 869, ALAMOGORDO, NM 88311-0869
PO BOX 870, ALAMOGORDO, NM 88311-0870
PO BOX 871, ALAMOGORDO, NM 88311-0871
PO BOX 872, ALAMOGORDO, NM 88311-0872
PO BOX 873, ALAMOGORDO, NM 88311-0873
PO BOX 874, ALAMOGORDO, NM 88311-0874
PO BOX 875, ALAMOGORDO, NM 88311-0875
PO BOX 876, ALAMOGORDO, NM 88311-0876
PO BOX 877, ALAMOGORDO, NM 88311-0877
PO BOX 878, ALAMOGORDO, NM 88311-0878
PO BOX 879, ALAMOGORDO, NM 88311-0879
PO BOX 880, ALAMOGORDO, NM 88311-0880
PO BOX 881, ALAMOGORDO, NM 88311-0881
PO BOX 882, ALAMOGORDO, NM 88311-0882
PO BOX 883, ALAMOGORDO, NM 88311-0883
PO BOX 884, ALAMOGORDO, NM 88311-0884
PO BOX 885, ALAMOGORDO, NM 88311-0885
PO BOX 886, ALAMOGORDO, NM 88311-0886
PO BOX 887, ALAMOGORDO, NM 88311-0887
PO BOX 888, ALAMOGORDO, NM 88311-0888
PO BOX 889, ALAMOGORDO, NM 88311-0889
PO BOX 890, ALAMOGORDO, NM 88311-0890
PO BOX 891, ALAMOGORDO, NM 88311-0891
PO BOX 892, ALAMOGORDO, NM 88311-0892
PO BOX 893, ALAMOGORDO, NM 88311-0893
PO BOX 894, ALAMOGORDO, NM 88311-0894
PO BOX 895, ALAMOGORDO, NM 88311-0895
PO BOX 896, ALAMOGORDO, NM 88311-0896
PO BOX 897, ALAMOGORDO, NM 88311-0897
PO BOX 898, ALAMOGORDO, NM 88311-0898
PO BOX 899, ALAMOGORDO, NM 88311-0899
PO BOX 900, ALAMOGORDO, NM 88311-0900
PO BOX 901, ALAMOGORDO, NM 88311-0901
PO BOX 902, ALAMOGORDO, NM 88311-0902
PO BOX 903, ALAMOGORDO, NM 88311-0903
PO BOX 904, ALAMOGORDO, NM 88311-0904
PO BOX 905, ALAMOGORDO, NM 88311-0905
PO BOX 906, ALAMOGORDO, NM 88311-0906
PO BOX 907, ALAMOGORDO, NM 88311-0907
PO BOX 908, ALAMOGORDO, NM 88311-0908
PO BOX 909, ALAMOGORDO, NM 88311-0909
PO BOX 910, ALAMOGORDO, NM 88311-0910
PO BOX 911, ALAMOGORDO, NM 88311-0911
PO BOX 912, ALAMOGORDO, NM 88311-0912
PO BOX 913, ALAMOGORDO, NM 88311-0913
PO BOX 914, ALAMOGORDO, NM 88311-0914
PO BOX 915, ALAMOGORDO, NM 88311-0915
PO BOX 916, ALAMOGORDO, NM 88311-0916
PO BOX 917, ALAMOGORDO, NM 88311-0917
PO BOX 918, ALAMOGORDO, NM 88311-0918
PO BOX 919, ALAMOGORDO, NM 88311-0919
PO BOX 920, ALAMOGORDO, NM 88311-0920
PO BOX 921, ALAMOGORDO, NM 88311-0921
PO BOX 922, ALAMOGORDO, NM 88311-0922
PO BOX 923, ALAMOGORDO, NM 88311-0923
PO BOX 924, ALAMOGORDO, NM 88311-0924
PO BOX 925, ALAMOGORDO, NM 88311-0925
PO BOX 926, ALAMOGORDO, NM 88311-0926
PO BOX 927, ALAMOGORDO, NM 88311-0927
PO BOX 928, ALAMOGORDO, NM 88311-0928
PO BOX 929, ALAMOGORDO, NM 88311-0929
PO BOX 930, ALAMOGORDO, NM 88311-0930
PO BOX 931, ALAMOGORDO, NM 88311-0931
PO BOX 932, ALAMOGORDO, NM 88311-0932
PO BOX 933, ALAMOGORDO, NM 88311-0933
PO BOX 934, ALAMOGORDO, NM 88311-0934
PO BOX 935, ALAMOGORDO, NM 88311-0935
PO BOX 936, ALAMOGORDO, NM 88311-0936
PO BOX 937, ALAMOGORDO, NM 88311-0937
PO BOX 938, ALAMOGORDO, NM 88311-0938
PO BOX 939, ALAMOGORDO, NM 88311-0939
PO BOX 940, ALAMOGORDO, NM 88311-0940
PO BOX 941, ALAMOGORDO, NM 88311-0941
PO BOX 942, ALAMOGORDO, NM 88311-0942
PO BOX 943, ALAMOGORDO, NM 88311-0943
PO BOX 944, ALAMOGORDO, NM 88311-0944
PO BOX 945, ALAMOGORDO, NM 88311-0945
PO BOX 946, ALAMOGORDO, NM 88311-0946
PO BOX 947, ALAMOGORDO, NM 88311-0947
PO BOX 948, ALAMOGORDO, NM 88311-0948
PO BOX 949, ALAMOGORDO, NM 88311-0949
PO BOX 950, ALAMOGORDO, NM 88311-0950
PO BOX 951, ALAMOGORDO, NM 88311-0951
PO BOX 952, ALAMOGORDO, NM 88311-0952
PO BOX 953, ALAMOGORDO, NM 88311-0953
PO BOX 954, ALAMOGORDO, NM 88311-0954
PO BOX 955, ALAMOGORDO, NM 88311-0955
PO BOX 956, ALAMOGORDO, NM 88311-0956
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