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	120.4 KB	1.2 MB	124.6 KB	1.5 MB	124.6 KB	1.5 MB
AE	763.7 KB	7.4 MB	782.4 KB	9.3 MB	782.4 KB	9.3 MB
AK	2 MB	13.9 MB	2.7 MB	16.9 MB	2.7 MB	16.9 MB
AL	23 MB	158.8 MB	32 MB	194.7 MB	32 MB	194.7 MB
AP	209.3 KB	1.9 MB	213.6 KB	2.4 MB	213.6 KB	2.4 MB
AR	13.4 MB	89.5 MB	18.5 MB	109.6 MB	18.5 MB	109.6 MB
AS	3 KB	19.6 KB	3.1 KB	20.5 KB	3.1 KB	20.5 KB
AZ	14.9 MB	127.3 MB	20.1 MB	155.9 MB	20.1 MB	155.9 MB
CA	73 MB	639.5 MB	93.7 MB	774 MB	93.7 MB	774 MB
CO	15.3 MB	116.4 MB	20 MB	141.7 MB	20 MB	141.7 MB
CT	9.7 MB	69.6 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	2.8 MB	20.5 MB	3.9 MB	25.2 MB	3.9 MB	25.2 MB
FL	54.7 MB	456.8 MB	72.2 MB	554.3 MB	72.2 MB	554.3 MB
FM	4.7 KB	36.1 KB	4.7 KB	37.6 KB	4.7 KB	37.6 KB
GA	35.4 MB	274.1 MB	48.3 MB	335.5 MB	48.3 MB	335.5 MB
GU	141.4 KB	1.2 MB	179.1 KB	1.4 MB	179.1 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	85.4 MB	16.1 MB	104 MB	16.1 MB	104 MB
ID	5.6 MB	36.7 MB	7.7 MB	45.1 MB	7.7 MB	45.1 MB
IL	37 MB	303.6 MB	48.3 MB	368 MB	48.3 MB	368 MB
IN	22.5 MB	168.1 MB	30.7 MB	205.2 MB	30.7 MB	205.2 MB
KS	10.8 MB	72.6 MB	14.5 MB	88.4 MB	14.5 MB	88.4 MB
KY	15.6 MB	106.2 MB	21.4 MB	129.5 MB	21.4 MB	129.5 MB
LA	15.9 MB	111.2 MB	21.4 MB	135 MB	21.4 MB	135 MB
MA	19.2 MB	145.5 MB	24.7 MB	176.2 MB	24.7 MB	176.2 MB
MD	14.2 MB	104.9 MB	18.3 MB	126.8 MB	18.3 MB	126.8 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	29.4 MB	219.9 MB	39 MB	267.3 MB	39 MB	267.3 MB
MN	18.6 MB	124.6 MB	24.8 MB	151.4 MB	24.8 MB	151.4 MB
MO	22.1 MB	150.8 MB	30.2 MB	184.1 MB	30.2 MB	184.1 MB
MP	4.1 KB	27.4 KB	4.2 KB	28.6 KB	4.2 KB	28.6 KB
MS	12.1 MB	79.8 MB	16.7 MB	97.7 MB	16.7 MB	97.7 MB
MT	3.8 MB	28.8 MB	5.2 MB	35.5 MB	5.2 MB	35.5 MB
NC	34 MB	244.5 MB	46.5 MB	298 MB	46.5 MB	298 MB
ND	3.3 MB	22.1 MB	4.5 MB	26.9 MB	4.5 MB	26.9 MB
NE	7.5 MB	51.1 MB	10.1 MB	62.2 MB	10.1 MB	62.2 MB
NH	4.4 MB	29.2 MB	5.8 MB	35.6 MB	5.8 MB	35.6 MB
NJ	21.2 MB	160.5 MB	27.3 MB	194.4 MB	27.3 MB	194.4 MB
NM	6.1 MB	42.6 MB	8.1 MB	52 MB	8.1 MB	52 MB
NV	6.1 MB	47.2 MB	8 MB	57.4 MB	8 MB	57.4 MB
NY	49.2 MB	444.8 MB	62.4 MB	539.4 MB	62.4 MB	539.4 MB
OH	35 MB	248.5 MB	46.2 MB	301.4 MB	46.2 MB	301.4 MB
OK	15.8 MB	108.8 MB	22 MB	133.7 MB	22 MB	133.7 MB
OR	13.5 MB	96.1 MB	17.9 MB	117.3 MB	17.9 MB	117.3 MB
PA	33.7 MB	250.6 MB	44.7 MB	304.9 MB	44.7 MB	304.9 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	3.5 MB	24.5 MB	4.6 MB	29.7 MB	4.6 MB	29.7 MB
SC	17.7 MB	120 MB	24 MB	146 MB	24 MB	146 MB
SD	3.9 MB	24.1 MB	5.2 MB	29.4 MB	5.2 MB	29.4 MB
TN	23.4 MB	150.8 MB	31.2 MB	183.2 MB	31.2 MB	183.2 MB
TX	78.8 MB	578.1 MB	106 MB	705.8 MB	106 MB	705.8 MB
UT	6.6 MB	51 MB	9 MB	63.1 MB	9 MB	63.1 MB
VA	26.3 MB	179.1 MB	35.2 MB	217.5 MB	35.2 MB	217.5 MB
VI	139 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	153.8 MB	28.2 MB	187.4 MB	28.2 MB	187.4 MB
WI	20.1 MB	129.4 MB	26.6 MB	157.1 MB	26.6 MB	157.1 MB
WV	7 MB	54 MB	10.3 MB	67.2 MB	10.3 MB	67.2 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.