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, COLORADO CITY, TX 79512-0801
PO BOX 802, COLORADO CITY, TX 79512-0802
PO BOX 803, COLORADO CITY, TX 79512-0803
PO BOX 804, COLORADO CITY, TX 79512-0804
PO BOX 805, COLORADO CITY, TX 79512-0805
PO BOX 806, COLORADO CITY, TX 79512-0806
PO BOX 807, COLORADO CITY, TX 79512-0807
PO BOX 808, COLORADO CITY, TX 79512-0808
PO BOX 809, COLORADO CITY, TX 79512-0809
PO BOX 810, COLORADO CITY, TX 79512-0810
PO BOX 811, COLORADO CITY, TX 79512-0811
PO BOX 812, COLORADO CITY, TX 79512-0812
PO BOX 813, COLORADO CITY, TX 79512-0813
PO BOX 814, COLORADO CITY, TX 79512-0814
PO BOX 815, COLORADO CITY, TX 79512-0815
PO BOX 816, COLORADO CITY, TX 79512-0816
PO BOX 817, COLORADO CITY, TX 79512-0817
PO BOX 818, COLORADO CITY, TX 79512-0818
PO BOX 819, COLORADO CITY, TX 79512-0819
PO BOX 820, COLORADO CITY, TX 79512-0820
PO BOX 821, COLORADO CITY, TX 79512-0821
PO BOX 822, COLORADO CITY, TX 79512-0822
PO BOX 823, COLORADO CITY, TX 79512-0823
PO BOX 824, COLORADO CITY, TX 79512-0824
PO BOX 825, COLORADO CITY, TX 79512-0825
PO BOX 826, COLORADO CITY, TX 79512-0826
PO BOX 827, COLORADO CITY, TX 79512-0827
PO BOX 828, COLORADO CITY, TX 79512-0828
PO BOX 829, COLORADO CITY, TX 79512-0829
PO BOX 830, COLORADO CITY, TX 79512-0830
PO BOX 831, COLORADO CITY, TX 79512-0831
PO BOX 832, COLORADO CITY, TX 79512-0832
PO BOX 833, COLORADO CITY, TX 79512-0833
PO BOX 834, COLORADO CITY, TX 79512-0834
PO BOX 835, COLORADO CITY, TX 79512-0835
PO BOX 836, COLORADO CITY, TX 79512-0836
PO BOX 837, COLORADO CITY, TX 79512-0837
PO BOX 838, COLORADO CITY, TX 79512-0838
PO BOX 839, COLORADO CITY, TX 79512-0839
PO BOX 840, COLORADO CITY, TX 79512-0840
PO BOX 841, COLORADO CITY, TX 79512-0841
PO BOX 842, COLORADO CITY, TX 79512-0842
PO BOX 843, COLORADO CITY, TX 79512-0843
PO BOX 844, COLORADO CITY, TX 79512-0844
PO BOX 845, COLORADO CITY, TX 79512-0845
PO BOX 846, COLORADO CITY, TX 79512-0846
PO BOX 847, COLORADO CITY, TX 79512-0847
PO BOX 848, COLORADO CITY, TX 79512-0848
PO BOX 849, COLORADO CITY, TX 79512-0849
PO BOX 850, COLORADO CITY, TX 79512-0850
PO BOX 851, COLORADO CITY, TX 79512-0851
PO BOX 852, COLORADO CITY, TX 79512-0852
PO BOX 853, COLORADO CITY, TX 79512-0853
PO BOX 854, COLORADO CITY, TX 79512-0854
PO BOX 855, COLORADO CITY, TX 79512-0855
PO BOX 856, COLORADO CITY, TX 79512-0856
PO BOX 857, COLORADO CITY, TX 79512-0857
PO BOX 858, COLORADO CITY, TX 79512-0858
PO BOX 859, COLORADO CITY, TX 79512-0859
PO BOX 860, COLORADO CITY, TX 79512-0860
PO BOX 861, COLORADO CITY, TX 79512-0861
PO BOX 862, COLORADO CITY, TX 79512-0862
PO BOX 863, COLORADO CITY, TX 79512-0863
PO BOX 864, COLORADO CITY, TX 79512-0864
PO BOX 865, COLORADO CITY, TX 79512-0865
PO BOX 866, COLORADO CITY, TX 79512-0866
PO BOX 867, COLORADO CITY, TX 79512-0867
PO BOX 868, COLORADO CITY, TX 79512-0868
PO BOX 869, COLORADO CITY, TX 79512-0869
PO BOX 870, COLORADO CITY, TX 79512-0870
PO BOX 871, COLORADO CITY, TX 79512-0871
PO BOX 872, COLORADO CITY, TX 79512-0872
PO BOX 873, COLORADO CITY, TX 79512-0873
PO BOX 874, COLORADO CITY, TX 79512-0874
PO BOX 875, COLORADO CITY, TX 79512-0875
PO BOX 876, COLORADO CITY, TX 79512-0876
PO BOX 877, COLORADO CITY, TX 79512-0877
PO BOX 878, COLORADO CITY, TX 79512-0878
PO BOX 879, COLORADO CITY, TX 79512-0879
PO BOX 880, COLORADO CITY, TX 79512-0880
PO BOX 881, COLORADO CITY, TX 79512-0881
PO BOX 882, COLORADO CITY, TX 79512-0882
PO BOX 883, COLORADO CITY, TX 79512-0883
PO BOX 884, COLORADO CITY, TX 79512-0884
PO BOX 885, COLORADO CITY, TX 79512-0885
PO BOX 886, COLORADO CITY, TX 79512-0886
PO BOX 887, COLORADO CITY, TX 79512-0887
PO BOX 888, COLORADO CITY, TX 79512-0888
PO BOX 889, COLORADO CITY, TX 79512-0889
PO BOX 890, COLORADO CITY, TX 79512-0890
PO BOX 891, COLORADO CITY, TX 79512-0891
PO BOX 892, COLORADO CITY, TX 79512-0892
PO BOX 893, COLORADO CITY, TX 79512-0893
PO BOX 894, COLORADO CITY, TX 79512-0894
PO BOX 895, COLORADO CITY, TX 79512-0895
PO BOX 896, COLORADO CITY, TX 79512-0896
PO BOX 897, COLORADO CITY, TX 79512-0897
PO BOX 898, COLORADO CITY, TX 79512-0898
PO BOX 899, COLORADO CITY, TX 79512-0899
PO BOX 900, COLORADO CITY, TX 79512-0900
PO BOX 901, COLORADO CITY, TX 79512-0901
PO BOX 902, COLORADO CITY, TX 79512-0902
PO BOX 903, COLORADO CITY, TX 79512-0903
PO BOX 904, COLORADO CITY, TX 79512-0904
PO BOX 905, COLORADO CITY, TX 79512-0905
PO BOX 906, COLORADO CITY, TX 79512-0906
PO BOX 907, COLORADO CITY, TX 79512-0907
PO BOX 908, COLORADO CITY, TX 79512-0908
PO BOX 909, COLORADO CITY, TX 79512-0909
PO BOX 910, COLORADO CITY, TX 79512-0910
PO BOX 911, COLORADO CITY, TX 79512-0911
PO BOX 912, COLORADO CITY, TX 79512-0912
PO BOX 913, COLORADO CITY, TX 79512-0913
PO BOX 914, COLORADO CITY, TX 79512-0914
PO BOX 915, COLORADO CITY, TX 79512-0915
PO BOX 916, COLORADO CITY, TX 79512-0916
PO BOX 917, COLORADO CITY, TX 79512-0917
PO BOX 918, COLORADO CITY, TX 79512-0918
PO BOX 919, COLORADO CITY, TX 79512-0919
PO BOX 920, COLORADO CITY, TX 79512-0920
PO BOX 921, COLORADO CITY, TX 79512-0921
PO BOX 922, COLORADO CITY, TX 79512-0922
PO BOX 923, COLORADO CITY, TX 79512-0923
PO BOX 924, COLORADO CITY, TX 79512-0924
PO BOX 925, COLORADO CITY, TX 79512-0925
PO BOX 926, COLORADO CITY, TX 79512-0926
PO BOX 927, COLORADO CITY, TX 79512-0927
PO BOX 928, COLORADO CITY, TX 79512-0928
PO BOX 929, COLORADO CITY, TX 79512-0929
PO BOX 930, COLORADO CITY, TX 79512-0930
PO BOX 931, COLORADO CITY, TX 79512-0931
PO BOX 932, COLORADO CITY, TX 79512-0932
PO BOX 933, COLORADO CITY, TX 79512-0933
PO BOX 934, COLORADO CITY, TX 79512-0934
PO BOX 935, COLORADO CITY, TX 79512-0935
PO BOX 936, COLORADO CITY, TX 79512-0936
PO BOX 937, COLORADO CITY, TX 79512-0937
PO BOX 938, COLORADO CITY, TX 79512-0938
PO BOX 939, COLORADO CITY, TX 79512-0939
PO BOX 940, COLORADO CITY, TX 79512-0940
PO BOX 941, COLORADO CITY, TX 79512-0941
PO BOX 942, COLORADO CITY, TX 79512-0942
PO BOX 943, COLORADO CITY, TX 79512-0943
PO BOX 944, COLORADO CITY, TX 79512-0944
PO BOX 945, COLORADO CITY, TX 79512-0945
PO BOX 946, COLORADO CITY, TX 79512-0946
PO BOX 947, COLORADO CITY, TX 79512-0947
PO BOX 948, COLORADO CITY, TX 79512-0948
PO BOX 949, COLORADO CITY, TX 79512-0949
PO BOX 950, COLORADO CITY, TX 79512-0950
PO BOX 951, COLORADO CITY, TX 79512-0951
PO BOX 952, COLORADO CITY, TX 79512-0952
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