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 2741, LA JOLLA, CA 92038-2741
PO BOX 2742, LA JOLLA, CA 92038-2742
PO BOX 2743, LA JOLLA, CA 92038-2743
PO BOX 2744, LA JOLLA, CA 92038-2744
PO BOX 2745, LA JOLLA, CA 92038-2745
PO BOX 2746, LA JOLLA, CA 92038-2746
PO BOX 2747, LA JOLLA, CA 92038-2747
PO BOX 2748, LA JOLLA, CA 92038-2748
PO BOX 2749, LA JOLLA, CA 92038-2749
PO BOX 2750, LA JOLLA, CA 92038-2750
PO BOX 2751, LA JOLLA, CA 92038-2751
PO BOX 2752, LA JOLLA, CA 92038-2752
PO BOX 2753, LA JOLLA, CA 92038-2753
PO BOX 2754, LA JOLLA, CA 92038-2754
PO BOX 2755, LA JOLLA, CA 92038-2755
PO BOX 2756, LA JOLLA, CA 92038-2756
PO BOX 2757, LA JOLLA, CA 92038-2757
PO BOX 2758, LA JOLLA, CA 92038-2758
PO BOX 2759, LA JOLLA, CA 92038-2759
PO BOX 2760, LA JOLLA, CA 92038-2760
PO BOX 2761, LA JOLLA, CA 92038-2761
PO BOX 2762, LA JOLLA, CA 92038-2762
PO BOX 2763, LA JOLLA, CA 92038-2763
PO BOX 2764, LA JOLLA, CA 92038-2764
PO BOX 2765, LA JOLLA, CA 92038-2765
PO BOX 2766, LA JOLLA, CA 92038-2766
PO BOX 2767, LA JOLLA, CA 92038-2767
PO BOX 2768, LA JOLLA, CA 92038-2768
PO BOX 2769, LA JOLLA, CA 92038-2769
PO BOX 2770, LA JOLLA, CA 92038-2770
PO BOX 2771, LA JOLLA, CA 92038-2771
PO BOX 2772, LA JOLLA, CA 92038-2772
PO BOX 2773, LA JOLLA, CA 92038-2773
PO BOX 2774, LA JOLLA, CA 92038-2774
PO BOX 2775, LA JOLLA, CA 92038-2775
PO BOX 2776, LA JOLLA, CA 92038-2776
PO BOX 2777, LA JOLLA, CA 92038-2777
PO BOX 2778, LA JOLLA, CA 92038-2778
PO BOX 2779, LA JOLLA, CA 92038-2779
PO BOX 2780, LA JOLLA, CA 92038-2780
PO BOX 2781, LA JOLLA, CA 92038-2781
PO BOX 2782, LA JOLLA, CA 92038-2782
PO BOX 2783, LA JOLLA, CA 92038-2783
PO BOX 2784, LA JOLLA, CA 92038-2784
PO BOX 2785, LA JOLLA, CA 92038-2785
PO BOX 2786, LA JOLLA, CA 92038-2786
PO BOX 2787, LA JOLLA, CA 92038-2787
PO BOX 2788, LA JOLLA, CA 92038-2788
PO BOX 2789, LA JOLLA, CA 92038-2789
PO BOX 2790, LA JOLLA, CA 92038-2790
PO BOX 2791, LA JOLLA, CA 92038-2791
PO BOX 2792, LA JOLLA, CA 92038-2792
PO BOX 2793, LA JOLLA, CA 92038-2793
PO BOX 2794, LA JOLLA, CA 92038-2794
PO BOX 2795, LA JOLLA, CA 92038-2795
PO BOX 2796, LA JOLLA, CA 92038-2796
PO BOX 2797, LA JOLLA, CA 92038-2797
PO BOX 2798, LA JOLLA, CA 92038-2798
PO BOX 2799, LA JOLLA, CA 92038-2799
PO BOX 2800, LA JOLLA, CA 92038-2800
PO BOX 2801, LA JOLLA, CA 92038-2801
PO BOX 2802, LA JOLLA, CA 92038-2802
PO BOX 2803, LA JOLLA, CA 92038-2803
PO BOX 2804, LA JOLLA, CA 92038-2804
PO BOX 2805, LA JOLLA, CA 92038-2805
PO BOX 2806, LA JOLLA, CA 92038-2806
PO BOX 2807, LA JOLLA, CA 92038-2807
PO BOX 2808, LA JOLLA, CA 92038-2808
PO BOX 2809, LA JOLLA, CA 92038-2809
PO BOX 2810, LA JOLLA, CA 92038-2810
PO BOX 2811, LA JOLLA, CA 92038-2811
PO BOX 2812, LA JOLLA, CA 92038-2812
PO BOX 2813, LA JOLLA, CA 92038-2813
PO BOX 2814, LA JOLLA, CA 92038-2814
PO BOX 2815, LA JOLLA, CA 92038-2815
PO BOX 2816, LA JOLLA, CA 92038-2816
PO BOX 2817, LA JOLLA, CA 92038-2817
PO BOX 2818, LA JOLLA, CA 92038-2818
PO BOX 2819, LA JOLLA, CA 92038-2819
PO BOX 2820, LA JOLLA, CA 92038-2820
PO BOX 2821, LA JOLLA, CA 92038-2821
PO BOX 2822, LA JOLLA, CA 92038-2822
PO BOX 2823, LA JOLLA, CA 92038-2823
PO BOX 2824, LA JOLLA, CA 92038-2824
PO BOX 2825, LA JOLLA, CA 92038-2825
PO BOX 2826, LA JOLLA, CA 92038-2826
PO BOX 2827, LA JOLLA, CA 92038-2827
PO BOX 2828, LA JOLLA, CA 92038-2828
PO BOX 2829, LA JOLLA, CA 92038-2829
PO BOX 2830, LA JOLLA, CA 92038-2830
PO BOX 2831, LA JOLLA, CA 92038-2831
PO BOX 2832, LA JOLLA, CA 92038-2832
PO BOX 2833, LA JOLLA, CA 92038-2833
PO BOX 2834, LA JOLLA, CA 92038-2834
PO BOX 2835, LA JOLLA, CA 92038-2835
PO BOX 2836, LA JOLLA, CA 92038-2836
PO BOX 2837, LA JOLLA, CA 92038-2837
PO BOX 2838, LA JOLLA, CA 92038-2838
PO BOX 2839, LA JOLLA, CA 92038-2839
PO BOX 2840, LA JOLLA, CA 92038-2840
PO BOX 2841, LA JOLLA, CA 92038-2841
PO BOX 2842, LA JOLLA, CA 92038-2842
PO BOX 2843, LA JOLLA, CA 92038-2843
PO BOX 2844, LA JOLLA, CA 92038-2844
PO BOX 2845, LA JOLLA, CA 92038-2845
PO BOX 2846, LA JOLLA, CA 92038-2846
PO BOX 2847, LA JOLLA, CA 92038-2847
PO BOX 2848, LA JOLLA, CA 92038-2848
PO BOX 2849, LA JOLLA, CA 92038-2849
PO BOX 2850, LA JOLLA, CA 92038-2850
PO BOX 2851, LA JOLLA, CA 92038-2851
PO BOX 2852, LA JOLLA, CA 92038-2852
PO BOX 2853, LA JOLLA, CA 92038-2853
PO BOX 2854, LA JOLLA, CA 92038-2854
PO BOX 2855, LA JOLLA, CA 92038-2855
PO BOX 2856, LA JOLLA, CA 92038-2856
PO BOX 2857, LA JOLLA, CA 92038-2857
PO BOX 2858, LA JOLLA, CA 92038-2858
PO BOX 2859, LA JOLLA, CA 92038-2859
PO BOX 2860, LA JOLLA, CA 92038-2860
PO BOX 2861, LA JOLLA, CA 92038-2861
PO BOX 2862, LA JOLLA, CA 92038-2862
PO BOX 2863, LA JOLLA, CA 92038-2863
PO BOX 2864, LA JOLLA, CA 92038-2864
PO BOX 2865, LA JOLLA, CA 92038-2865
PO BOX 2866, LA JOLLA, CA 92038-2866
PO BOX 2867, LA JOLLA, CA 92038-2867
PO BOX 2868, LA JOLLA, CA 92038-2868
PO BOX 2869, LA JOLLA, CA 92038-2869
PO BOX 2870, LA JOLLA, CA 92038-2870
PO BOX 2871, LA JOLLA, CA 92038-2871
PO BOX 2872, LA JOLLA, CA 92038-2872
PO BOX 2873, LA JOLLA, CA 92038-2873
PO BOX 2874, LA JOLLA, CA 92038-2874
PO BOX 2875, LA JOLLA, CA 92038-2875
PO BOX 2876, LA JOLLA, CA 92038-2876
PO BOX 2877, LA JOLLA, CA 92038-2877
PO BOX 2878, LA JOLLA, CA 92038-2878
PO BOX 2879, LA JOLLA, CA 92038-2879
PO BOX 2880, LA JOLLA, CA 92038-2880
PO BOX 2881, LA JOLLA, CA 92038-2881
PO BOX 2882, LA JOLLA, CA 92038-2882
PO BOX 2883, LA JOLLA, CA 92038-2883
PO BOX 2884, LA JOLLA, CA 92038-2884
PO BOX 2885, LA JOLLA, CA 92038-2885
PO BOX 2886, LA JOLLA, CA 92038-2886
PO BOX 2887, LA JOLLA, CA 92038-2887
PO BOX 2888, LA JOLLA, CA 92038-2888
PO BOX 2889, LA JOLLA, CA 92038-2889
PO BOX 2890, LA JOLLA, CA 92038-2890
PO BOX 2891, LA JOLLA, CA 92038-2891
PO BOX 2892, LA JOLLA, CA 92038-2892
PO BOX 2893, LA JOLLA, CA 92038-2893
PO BOX 2894, LA JOLLA, CA 92038-2894
PO BOX 2895, LA JOLLA, CA 92038-2895
PO BOX 2896, LA JOLLA, CA 92038-2896
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