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 2041, WILMINGTON, NC 28402-2041
PO BOX 2042, WILMINGTON, NC 28402-2042
PO BOX 2043, WILMINGTON, NC 28402-2043
PO BOX 2044, WILMINGTON, NC 28402-2044
PO BOX 2045, WILMINGTON, NC 28402-2045
PO BOX 2046, WILMINGTON, NC 28402-2046
PO BOX 2047, WILMINGTON, NC 28402-2047
PO BOX 2048, WILMINGTON, NC 28402-2048
PO BOX 2049, WILMINGTON, NC 28402-2049
PO BOX 2050, WILMINGTON, NC 28402-2050
PO BOX 2051, WILMINGTON, NC 28402-2051
PO BOX 2052, WILMINGTON, NC 28402-2052
PO BOX 2053, WILMINGTON, NC 28402-2053
PO BOX 2054, WILMINGTON, NC 28402-2054
PO BOX 2055, WILMINGTON, NC 28402-2055
PO BOX 2056, WILMINGTON, NC 28402-2056
PO BOX 2057, WILMINGTON, NC 28402-2057
PO BOX 2058, WILMINGTON, NC 28402-2058
PO BOX 2059, WILMINGTON, NC 28402-2059
PO BOX 2060, WILMINGTON, NC 28402-2060
PO BOX 2061, WILMINGTON, NC 28402-2061
PO BOX 2062, WILMINGTON, NC 28402-2062
PO BOX 2063, WILMINGTON, NC 28402-2063
PO BOX 2064, WILMINGTON, NC 28402-2064
PO BOX 2065, WILMINGTON, NC 28402-2065
PO BOX 2066, WILMINGTON, NC 28402-2066
PO BOX 2067, WILMINGTON, NC 28402-2067
PO BOX 2068, WILMINGTON, NC 28402-2068
PO BOX 2069, WILMINGTON, NC 28402-2069
PO BOX 2070, WILMINGTON, NC 28402-2070
PO BOX 2071, WILMINGTON, NC 28402-2071
PO BOX 2072, WILMINGTON, NC 28402-2072
PO BOX 2073, WILMINGTON, NC 28402-2073
PO BOX 2074, WILMINGTON, NC 28402-2074
PO BOX 2075, WILMINGTON, NC 28402-2075
PO BOX 2076, WILMINGTON, NC 28402-2076
PO BOX 2077, WILMINGTON, NC 28402-2077
PO BOX 2078, WILMINGTON, NC 28402-2078
PO BOX 2079, WILMINGTON, NC 28402-2079
PO BOX 2080, WILMINGTON, NC 28402-2080
PO BOX 2081, WILMINGTON, NC 28402-2081
PO BOX 2082, WILMINGTON, NC 28402-2082
PO BOX 2083, WILMINGTON, NC 28402-2083
PO BOX 2084, WILMINGTON, NC 28402-2084
PO BOX 2085, WILMINGTON, NC 28402-2085
PO BOX 2086, WILMINGTON, NC 28402-2086
PO BOX 2087, WILMINGTON, NC 28402-2087
PO BOX 2088, WILMINGTON, NC 28402-2088
PO BOX 2089, WILMINGTON, NC 28402-2089
PO BOX 2090, WILMINGTON, NC 28402-2090
PO BOX 2091, WILMINGTON, NC 28402-2091
PO BOX 2092, WILMINGTON, NC 28402-2092
PO BOX 2093, WILMINGTON, NC 28402-2093
PO BOX 2094, WILMINGTON, NC 28402-2094
PO BOX 2095, WILMINGTON, NC 28402-2095
PO BOX 2096, WILMINGTON, NC 28402-2096
PO BOX 2097, WILMINGTON, NC 28402-2097
PO BOX 2098, WILMINGTON, NC 28402-2098
PO BOX 2099, WILMINGTON, NC 28402-2099
PO BOX 2100, WILMINGTON, NC 28402-2100
PO BOX 2101, WILMINGTON, NC 28402-2101
PO BOX 2102, WILMINGTON, NC 28402-2102
PO BOX 2103, WILMINGTON, NC 28402-2103
PO BOX 2104, WILMINGTON, NC 28402-2104
PO BOX 2105, WILMINGTON, NC 28402-2105
PO BOX 2106, WILMINGTON, NC 28402-2106
PO BOX 2107, WILMINGTON, NC 28402-2107
PO BOX 2108, WILMINGTON, NC 28402-2108
PO BOX 2109, WILMINGTON, NC 28402-2109
PO BOX 2110, WILMINGTON, NC 28402-2110
PO BOX 2111, WILMINGTON, NC 28402-2111
PO BOX 2112, WILMINGTON, NC 28402-2112
PO BOX 2113, WILMINGTON, NC 28402-2113
PO BOX 2114, WILMINGTON, NC 28402-2114
PO BOX 2115, WILMINGTON, NC 28402-2115
PO BOX 2116, WILMINGTON, NC 28402-2116
PO BOX 2117, WILMINGTON, NC 28402-2117
PO BOX 2118, WILMINGTON, NC 28402-2118
PO BOX 2119, WILMINGTON, NC 28402-2119
PO BOX 2120, WILMINGTON, NC 28402-2120
PO BOX 2121, WILMINGTON, NC 28402-2121
PO BOX 2122, WILMINGTON, NC 28402-2122
PO BOX 2123, WILMINGTON, NC 28402-2123
PO BOX 2124, WILMINGTON, NC 28402-2124
PO BOX 2125, WILMINGTON, NC 28402-2125
PO BOX 2126, WILMINGTON, NC 28402-2126
PO BOX 2127, WILMINGTON, NC 28402-2127
PO BOX 2128, WILMINGTON, NC 28402-2128
PO BOX 2129, WILMINGTON, NC 28402-2129
PO BOX 2130, WILMINGTON, NC 28402-2130
PO BOX 2131, WILMINGTON, NC 28402-2131
PO BOX 2132, WILMINGTON, NC 28402-2132
PO BOX 2133, WILMINGTON, NC 28402-2133
PO BOX 2134, WILMINGTON, NC 28402-2134
PO BOX 2135, WILMINGTON, NC 28402-2135
PO BOX 2136, WILMINGTON, NC 28402-2136
PO BOX 2137, WILMINGTON, NC 28402-2137
PO BOX 2138, WILMINGTON, NC 28402-2138
PO BOX 2139, WILMINGTON, NC 28402-2139
PO BOX 2140, WILMINGTON, NC 28402-2140
PO BOX 2141, WILMINGTON, NC 28402-2141
PO BOX 2142, WILMINGTON, NC 28402-2142
PO BOX 2143, WILMINGTON, NC 28402-2143
PO BOX 2144, WILMINGTON, NC 28402-2144
PO BOX 2145, WILMINGTON, NC 28402-2145
PO BOX 2146, WILMINGTON, NC 28402-2146
PO BOX 2147, WILMINGTON, NC 28402-2147
PO BOX 2148, WILMINGTON, NC 28402-2148
PO BOX 2149, WILMINGTON, NC 28402-2149
PO BOX 2150, WILMINGTON, NC 28402-2150
PO BOX 2151, WILMINGTON, NC 28402-2151
PO BOX 2152, WILMINGTON, NC 28402-2152
PO BOX 2153, WILMINGTON, NC 28402-2153
PO BOX 2154, WILMINGTON, NC 28402-2154
PO BOX 2155, WILMINGTON, NC 28402-2155
PO BOX 2156, WILMINGTON, NC 28402-2156
PO BOX 2157, WILMINGTON, NC 28402-2157
PO BOX 2158, WILMINGTON, NC 28402-2158
PO BOX 2159, WILMINGTON, NC 28402-2159
PO BOX 2160, WILMINGTON, NC 28402-2160
PO BOX 2161, WILMINGTON, NC 28402-2161
PO BOX 2162, WILMINGTON, NC 28402-2162
PO BOX 2163, WILMINGTON, NC 28402-2163
PO BOX 2164, WILMINGTON, NC 28402-2164
PO BOX 2165, WILMINGTON, NC 28402-2165
PO BOX 2166, WILMINGTON, NC 28402-2166
PO BOX 2167, WILMINGTON, NC 28402-2167
PO BOX 2168, WILMINGTON, NC 28402-2168
PO BOX 2169, WILMINGTON, NC 28402-2169
PO BOX 2170, WILMINGTON, NC 28402-2170
PO BOX 2171, WILMINGTON, NC 28402-2171
PO BOX 2172, WILMINGTON, NC 28402-2172
PO BOX 2173, WILMINGTON, NC 28402-2173
PO BOX 2174, WILMINGTON, NC 28402-2174
PO BOX 2175, WILMINGTON, NC 28402-2175
PO BOX 2176, WILMINGTON, NC 28402-2176
PO BOX 2177, WILMINGTON, NC 28402-2177
PO BOX 2178, WILMINGTON, NC 28402-2178
PO BOX 2179, WILMINGTON, NC 28402-2179
PO BOX 2180, WILMINGTON, NC 28402-2180
PO BOX 2181, WILMINGTON, NC 28402-2181
PO BOX 2182, WILMINGTON, NC 28402-2182
PO BOX 2183, WILMINGTON, NC 28402-2183
PO BOX 2184, WILMINGTON, NC 28402-2184
PO BOX 2185, WILMINGTON, NC 28402-2185
PO BOX 2186, WILMINGTON, NC 28402-2186
PO BOX 2187, WILMINGTON, NC 28402-2187
PO BOX 2188, WILMINGTON, NC 28402-2188
PO BOX 2189, WILMINGTON, NC 28402-2189
PO BOX 2190, WILMINGTON, NC 28402-2190
PO BOX 2191, WILMINGTON, NC 28402-2191
PO BOX 2192, WILMINGTON, NC 28402-2192
PO BOX 2193, WILMINGTON, NC 28402-2193
PO BOX 2194, WILMINGTON, NC 28402-2194
PO BOX 2195, WILMINGTON, NC 28402-2195
PO BOX 2196, WILMINGTON, NC 28402-2196
PO BOX 2197, WILMINGTON, NC 28402-2197
PO BOX 2198, WILMINGTON, NC 28402-2198
PO BOX 2199, WILMINGTON, NC 28402-2199
PO BOX 2200, WILMINGTON, NC 28402-2200
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