U.S. ZIP +4 Database Files

Files available for the ZIP +4 Database

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ZIP+4 Database Files & Sizes

The ZIP+4 database is a large dataset (over 1 GB compressed). Because of this large size, the data is broken down into 62 individual files (one for each state/territory). Each file contains the full data for the given state. Below are the State files available as well as their current Compressed and Uncompressed File Sizes. All files are delivered in compressed .ZIP format.

State	Standard Database		Premium Database		Deluxe Database
State	Compressed	Uncompressed	Compressed	Uncompressed	Compressed	Uncompressed
AA	119.9 KB	1.2 MB	124.2 KB	1.5 MB	124.2 KB	1.5 MB
AE	763.1 KB	7.4 MB	782.1 KB	9.3 MB	782.1 KB	9.3 MB
AK	2.1 MB	14.8 MB	2.8 MB	18 MB	2.8 MB	18 MB
AL	23 MB	158.6 MB	32.1 MB	194.5 MB	32.1 MB	194.5 MB
AP	208.6 KB	1.9 MB	213.4 KB	2.4 MB	213.4 KB	2.4 MB
AR	13.4 MB	89.4 MB	18.5 MB	109.5 MB	18.5 MB	109.5 MB
AS	3 KB	19.5 KB	3.1 KB	20.4 KB	3.1 KB	20.4 KB
AZ	14.9 MB	127.2 MB	20 MB	155.7 MB	20 MB	155.7 MB
CA	76.2 MB	639.3 MB	97.6 MB	773.8 MB	97.6 MB	773.8 MB
CO	15.3 MB	116.3 MB	19.9 MB	141.5 MB	19.9 MB	141.5 MB
CT	9.6 MB	69.5 MB	12.5 MB	84.2 MB	12.5 MB	84.2 MB
DC	2 MB	18.2 MB	2.4 MB	21.9 MB	2.4 MB	21.9 MB
DE	2.9 MB	20.7 MB	3.9 MB	25.4 MB	3.9 MB	25.4 MB
FL	54.6 MB	456.5 MB	72.2 MB	554.1 MB	72.2 MB	554.1 MB
FM	4.7 KB	36.1 KB	4.7 KB	37.6 KB	4.7 KB	37.6 KB
GA	35.3 MB	274 MB	48.3 MB	335.3 MB	48.3 MB	335.3 MB
GU	142.1 KB	1.2 MB	179.7 KB	1.4 MB	179.7 KB	1.4 MB
HI	3 MB	25.5 MB	3.8 MB	31.2 MB	3.8 MB	31.2 MB
IA	12.1 MB	85.3 MB	16 MB	104 MB	16 MB	104 MB
ID	5.6 MB	36.6 MB	7.7 MB	45 MB	7.7 MB	45 MB
IL	37.4 MB	303.5 MB	48.8 MB	367.9 MB	48.8 MB	367.9 MB
IN	23 MB	168 MB	31.3 MB	205.1 MB	31.3 MB	205.1 MB
KS	11.2 MB	72.6 MB	15 MB	88.4 MB	15 MB	88.4 MB
KY	15.8 MB	106.2 MB	21.7 MB	129.4 MB	21.7 MB	129.4 MB
LA	16.2 MB	111.2 MB	21.8 MB	134.9 MB	21.8 MB	134.9 MB
MA	19.1 MB	145.4 MB	24.7 MB	176.1 MB	24.7 MB	176.1 MB
MD	14.2 MB	104.9 MB	18.3 MB	126.7 MB	18.3 MB	126.7 MB
ME	5.9 MB	41.2 MB	8.2 MB	50.7 MB	8.2 MB	50.7 MB
MH	2.4 KB	15.8 KB	2.5 KB	16.5 KB	2.5 KB	16.5 KB
MI	30.6 MB	219.8 MB	40.5 MB	267.4 MB	40.5 MB	267.4 MB
MN	19 MB	124.5 MB	25.2 MB	151.3 MB	25.2 MB	151.3 MB
MO	22.7 MB	150.7 MB	30.9 MB	184 MB	30.9 MB	184 MB
MP	4.1 KB	27.4 KB	4.2 KB	28.6 KB	4.2 KB	28.6 KB
MS	12.3 MB	79.8 MB	16.9 MB	97.6 MB	16.9 MB	97.6 MB
MT	3.9 MB	28.8 MB	5.4 MB	35.5 MB	5.4 MB	35.5 MB
NC	35.1 MB	244.3 MB	47.8 MB	297.8 MB	47.8 MB	297.8 MB
ND	3.4 MB	22.1 MB	4.5 MB	26.9 MB	4.5 MB	26.9 MB
NE	7.7 MB	51.1 MB	10.3 MB	62.2 MB	10.3 MB	62.2 MB
NH	4.5 MB	29.2 MB	5.9 MB	35.5 MB	5.9 MB	35.5 MB
NJ	22.2 MB	160.5 MB	28.4 MB	194.3 MB	28.4 MB	194.3 MB
NM	6.2 MB	42.6 MB	8.2 MB	52 MB	8.2 MB	52 MB
NV	6.3 MB	47.2 MB	8.2 MB	57.4 MB	8.2 MB	57.4 MB
NY	50.5 MB	444.5 MB	64 MB	539.1 MB	64 MB	539.1 MB
OH	35.1 MB	249.2 MB	46.3 MB	302.3 MB	46.3 MB	302.3 MB
OK	16.1 MB	108.9 MB	22.3 MB	133.8 MB	22.3 MB	133.8 MB
OR	13.5 MB	96 MB	17.9 MB	117.3 MB	17.9 MB	117.3 MB
PA	34.6 MB	250.9 MB	45.8 MB	305.3 MB	45.8 MB	305.3 MB
PR	4 MB	30.9 MB	5.1 MB	37.7 MB	5.1 MB	37.7 MB
PW	3.1 KB	21.9 KB	3.1 KB	22.9 KB	3.1 KB	22.9 KB
RI	3.6 MB	24.5 MB	4.6 MB	29.7 MB	4.6 MB	29.7 MB
SC	17.9 MB	119.9 MB	24.2 MB	145.9 MB	24.2 MB	145.9 MB
SD	3.9 MB	24.1 MB	5.2 MB	29.3 MB	5.2 MB	29.3 MB
TN	23 MB	150.7 MB	30.6 MB	183.1 MB	30.6 MB	183.1 MB
TX	79.4 MB	577.2 MB	106.9 MB	705.1 MB	106.9 MB	705.1 MB
UT	6.6 MB	51 MB	9 MB	63.1 MB	9 MB	63.1 MB
VA	26.2 MB	179.1 MB	35.1 MB	217.4 MB	35.1 MB	217.4 MB
VI	139.1 KB	1.1 MB	144.2 KB	1.2 MB	144.2 KB	1.2 MB
VT	3.7 MB	23.8 MB	5.2 MB	29.4 MB	5.2 MB	29.4 MB
WA	21.5 MB	153.7 MB	28.2 MB	187.2 MB	28.2 MB	187.2 MB
WI	20.2 MB	129.3 MB	26.7 MB	157.1 MB	26.7 MB	157.1 MB
WV	7 MB	54.1 MB	10.3 MB	67.3 MB	10.3 MB	67.3 MB
WY	2.3 MB	15.1 MB	3 MB	18.5 MB	3 MB	18.5 MB

Portions of data provided by and © United States Postal Service 2024. Zip-Codes.com is a non-exclusive licensee of the United States Postal Service.