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 5769, ENDICOTT, NY 13763-5769
PO BOX 5770, ENDICOTT, NY 13763-5770
PO BOX 5771, ENDICOTT, NY 13763-5771
PO BOX 5772, ENDICOTT, NY 13763-5772
PO BOX 5773, ENDICOTT, NY 13763-5773
PO BOX 5774, ENDICOTT, NY 13763-5774
PO BOX 5775, ENDICOTT, NY 13763-5775
PO BOX 5776, ENDICOTT, NY 13763-5776
PO BOX 5777, ENDICOTT, NY 13763-5777
PO BOX 5778, ENDICOTT, NY 13763-5778
PO BOX 5779, ENDICOTT, NY 13763-5779
PO BOX 5780, ENDICOTT, NY 13763-5780
PO BOX 5781, ENDICOTT, NY 13763-5781
PO BOX 5782, ENDICOTT, NY 13763-5782
PO BOX 5783, ENDICOTT, NY 13763-5783
PO BOX 5784, ENDICOTT, NY 13763-5784
PO BOX 5785, ENDICOTT, NY 13763-5785
PO BOX 5786, ENDICOTT, NY 13763-5786
PO BOX 5787, ENDICOTT, NY 13763-5787
PO BOX 5788, ENDICOTT, NY 13763-5788
PO BOX 5789, ENDICOTT, NY 13763-5789
PO BOX 5790, ENDICOTT, NY 13763-5790
PO BOX 5791, ENDICOTT, NY 13763-5791
PO BOX 5792, ENDICOTT, NY 13763-5792
PO BOX 5793, ENDICOTT, NY 13763-5793
PO BOX 5794, ENDICOTT, NY 13763-5794
PO BOX 5795, ENDICOTT, NY 13763-5795
PO BOX 5796, ENDICOTT, NY 13763-5796
PO BOX 5797, ENDICOTT, NY 13763-5797
PO BOX 5798, ENDICOTT, NY 13763-5798
PO BOX 5799, ENDICOTT, NY 13763-5799
PO BOX 5800, ENDICOTT, NY 13763-5800
PO BOX 5801, ENDICOTT, NY 13763-5801
PO BOX 5802, ENDICOTT, NY 13763-5802
PO BOX 5803, ENDICOTT, NY 13763-5803
PO BOX 5804, ENDICOTT, NY 13763-5804
PO BOX 5805, ENDICOTT, NY 13763-5805
PO BOX 5806, ENDICOTT, NY 13763-5806
PO BOX 5807, ENDICOTT, NY 13763-5807
PO BOX 5808, ENDICOTT, NY 13763-5808
PO BOX 5809, ENDICOTT, NY 13763-5809
PO BOX 5810, ENDICOTT, NY 13763-5810
PO BOX 5811, ENDICOTT, NY 13763-5811
PO BOX 5812, ENDICOTT, NY 13763-5812
PO BOX 5813, ENDICOTT, NY 13763-5813
PO BOX 5814, ENDICOTT, NY 13763-5814
PO BOX 5815, ENDICOTT, NY 13763-5815
PO BOX 5816, ENDICOTT, NY 13763-5816
PO BOX 5817, ENDICOTT, NY 13763-5817
PO BOX 5818, ENDICOTT, NY 13763-5818
PO BOX 5819, ENDICOTT, NY 13763-5819
PO BOX 5820, ENDICOTT, NY 13763-5820
PO BOX 5821, ENDICOTT, NY 13763-5821
PO BOX 5822, ENDICOTT, NY 13763-5822
PO BOX 5823, ENDICOTT, NY 13763-5823
PO BOX 5824, ENDICOTT, NY 13763-5824
PO BOX 5825, ENDICOTT, NY 13763-5825
PO BOX 5826, ENDICOTT, NY 13763-5826
PO BOX 5827, ENDICOTT, NY 13763-5827
PO BOX 5828, ENDICOTT, NY 13763-5828
PO BOX 5829, ENDICOTT, NY 13763-5829
PO BOX 5830, ENDICOTT, NY 13763-5830
PO BOX 5831, ENDICOTT, NY 13763-5831
PO BOX 5832, ENDICOTT, NY 13763-5832
PO BOX 5833, ENDICOTT, NY 13763-5833
PO BOX 5834, ENDICOTT, NY 13763-5834
PO BOX 5835, ENDICOTT, NY 13763-5835
PO BOX 5836, ENDICOTT, NY 13763-5836
PO BOX 5837, ENDICOTT, NY 13763-5837
PO BOX 5838, ENDICOTT, NY 13763-5838
PO BOX 5839, ENDICOTT, NY 13763-5839
PO BOX 5840, ENDICOTT, NY 13763-5840
PO BOX 5841, ENDICOTT, NY 13763-5841
PO BOX 5842, ENDICOTT, NY 13763-5842
PO BOX 5843, ENDICOTT, NY 13763-5843
PO BOX 5844, ENDICOTT, NY 13763-5844
PO BOX 5845, ENDICOTT, NY 13763-5845
PO BOX 5846, ENDICOTT, NY 13763-5846
PO BOX 5847, ENDICOTT, NY 13763-5847
PO BOX 5848, ENDICOTT, NY 13763-5848
PO BOX 5849, ENDICOTT, NY 13763-5849
PO BOX 5850, ENDICOTT, NY 13763-5850
PO BOX 5851, ENDICOTT, NY 13763-5851
PO BOX 5852, ENDICOTT, NY 13763-5852
PO BOX 5853, ENDICOTT, NY 13763-5853
PO BOX 5854, ENDICOTT, NY 13763-5854
PO BOX 5855, ENDICOTT, NY 13763-5855
PO BOX 5856, ENDICOTT, NY 13763-5856
PO BOX 5857, ENDICOTT, NY 13763-5857
PO BOX 5858, ENDICOTT, NY 13763-5858
PO BOX 5859, ENDICOTT, NY 13763-5859
PO BOX 5860, ENDICOTT, NY 13763-5860
PO BOX 5861, ENDICOTT, NY 13763-5861
PO BOX 5862, ENDICOTT, NY 13763-5862
PO BOX 5863, ENDICOTT, NY 13763-5863
PO BOX 5864, ENDICOTT, NY 13763-5864
PO BOX 5865, ENDICOTT, NY 13763-5865
PO BOX 5866, ENDICOTT, NY 13763-5866
PO BOX 5867, ENDICOTT, NY 13763-5867
PO BOX 5868, ENDICOTT, NY 13763-5868
PO BOX 5869, ENDICOTT, NY 13763-5869
PO BOX 5870, ENDICOTT, NY 13763-5870
PO BOX 5871, ENDICOTT, NY 13763-5871
PO BOX 5872, ENDICOTT, NY 13763-5872
PO BOX 5873, ENDICOTT, NY 13763-5873
PO BOX 5874, ENDICOTT, NY 13763-5874
PO BOX 5875, ENDICOTT, NY 13763-5875
PO BOX 5876, ENDICOTT, NY 13763-5876
PO BOX 5877, ENDICOTT, NY 13763-5877
PO BOX 5878, ENDICOTT, NY 13763-5878
PO BOX 5879, ENDICOTT, NY 13763-5879
PO BOX 5880, ENDICOTT, NY 13763-5880
PO BOX 5881, ENDICOTT, NY 13763-5881
PO BOX 5882, ENDICOTT, NY 13763-5882
PO BOX 5883, ENDICOTT, NY 13763-5883
PO BOX 5884, ENDICOTT, NY 13763-5884
PO BOX 5885, ENDICOTT, NY 13763-5885
PO BOX 5886, ENDICOTT, NY 13763-5886
PO BOX 5887, ENDICOTT, NY 13763-5887
PO BOX 5888, ENDICOTT, NY 13763-5888
PO BOX 5889, ENDICOTT, NY 13763-5889
PO BOX 5890, ENDICOTT, NY 13763-5890
PO BOX 5891, ENDICOTT, NY 13763-5891
PO BOX 5892, ENDICOTT, NY 13763-5892
PO BOX 5893, ENDICOTT, NY 13763-5893
PO BOX 5894, ENDICOTT, NY 13763-5894
PO BOX 5895, ENDICOTT, NY 13763-5895
PO BOX 5896, ENDICOTT, NY 13763-5896
PO BOX 5897, ENDICOTT, NY 13763-5897
PO BOX 5898, ENDICOTT, NY 13763-5898
PO BOX 5899, ENDICOTT, NY 13763-5899
PO BOX 5900, ENDICOTT, NY 13763-5900
PO BOX 5901, ENDICOTT, NY 13763-5901
PO BOX 5902, ENDICOTT, NY 13763-5902
PO BOX 5903, ENDICOTT, NY 13763-5903
PO BOX 5904, ENDICOTT, NY 13763-5904
PO BOX 5905, ENDICOTT, NY 13763-5905
PO BOX 5906, ENDICOTT, NY 13763-5906
PO BOX 5907, ENDICOTT, NY 13763-5907
PO BOX 5908, ENDICOTT, NY 13763-5908
PO BOX 5909, ENDICOTT, NY 13763-5909
PO BOX 5910, ENDICOTT, NY 13763-5910
PO BOX 5911, ENDICOTT, NY 13763-5911
PO BOX 5912, ENDICOTT, NY 13763-5912
PO BOX 5913, ENDICOTT, NY 13763-5913
PO BOX 5914, ENDICOTT, NY 13763-5914
PO BOX 5915, ENDICOTT, NY 13763-5915
PO BOX 5916, ENDICOTT, NY 13763-5916
PO BOX 5917, ENDICOTT, NY 13763-5917
PO BOX 5918, ENDICOTT, NY 13763-5918
PO BOX 5919, ENDICOTT, NY 13763-5919
PO BOX 5920, ENDICOTT, NY 13763-5920
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