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 KB	1.2 MB	124.3 KB	1.5 MB	124.3 KB	1.5 MB
AE	762.4 KB	7.4 MB	781.2 KB	9.3 MB	781.2 KB	9.3 MB
AK	2 MB	13.9 MB	2.6 MB	16.9 MB	2.6 MB	16.9 MB
AL	23.1 MB	159.3 MB	32.2 MB	195.6 MB	32.2 MB	195.6 MB
AP	208.1 KB	1.9 MB	212.4 KB	2.4 MB	212.4 KB	2.4 MB
AR	13.5 MB	89.7 MB	18.6 MB	110 MB	18.6 MB	110 MB
AS	3 KB	19.6 KB	3.1 KB	20.5 KB	3.1 KB	20.5 KB
AZ	15.1 MB	127.9 MB	20.3 MB	156.7 MB	20.3 MB	156.7 MB
CA	73.4 MB	640.6 MB	94.1 MB	775.5 MB	94.1 MB	775.5 MB
CO	15.4 MB	117 MB	20.1 MB	142.5 MB	20.1 MB	142.5 MB
CT	8.8 MB	69.8 MB	11.3 MB	84.4 MB	11.3 MB	84.4 MB
DC	2 MB	18.3 MB	2.4 MB	22 MB	2.4 MB	22 MB
DE	2.8 MB	20.5 MB	3.8 MB	25.1 MB	3.8 MB	25.1 MB
FL	55 MB	458.1 MB	72.7 MB	556.4 MB	72.7 MB	556.4 MB
FM	4.7 KB	36.1 KB	4.7 KB	37.6 KB	4.7 KB	37.6 KB
GA	35.5 MB	274.7 MB	48.9 MB	337.3 MB	48.9 MB	337.3 MB
GU	141.1 KB	1.2 MB	182.8 KB	1.4 MB	182.8 KB	1.4 MB
HI	3 MB	25.6 MB	3.8 MB	31.3 MB	3.8 MB	31.3 MB
IA	12.1 MB	85.6 MB	16.2 MB	104.3 MB	16.2 MB	104.3 MB
ID	5.7 MB	37 MB	7.7 MB	45.4 MB	7.7 MB	45.4 MB
IL	37.1 MB	304.3 MB	48.4 MB	368.8 MB	48.4 MB	368.8 MB
IN	22.5 MB	168.4 MB	30.8 MB	205.6 MB	30.8 MB	205.6 MB
KS	10.8 MB	72.8 MB	14.5 MB	88.6 MB	14.5 MB	88.6 MB
KY	15.7 MB	106.6 MB	21.7 MB	130.4 MB	21.7 MB	130.4 MB
LA	15.9 MB	111.4 MB	21.5 MB	135.4 MB	21.5 MB	135.4 MB
MA	19.2 MB	145.7 MB	24.9 MB	176.5 MB	24.9 MB	176.5 MB
MD	14.3 MB	105.1 MB	18.4 MB	127 MB	18.4 MB	127 MB
ME	5.9 MB	41.3 MB	8.3 MB	50.8 MB	8.3 MB	50.8 MB
MH	2.4 KB	15.8 KB	2.5 KB	16.5 KB	2.5 KB	16.5 KB
MI	29.6 MB	220.2 MB	39.2 MB	267.8 MB	39.2 MB	267.8 MB
MN	18.7 MB	124.8 MB	24.9 MB	151.7 MB	24.9 MB	151.7 MB
MO	22.2 MB	151.1 MB	30.4 MB	184.6 MB	30.4 MB	184.6 MB
MP	13.8 KB	121.4 KB	13.9 KB	126.6 KB	13.9 KB	126.6 KB
MS	12.2 MB	80 MB	16.8 MB	97.9 MB	16.8 MB	97.9 MB
MT	3.8 MB	29.1 MB	5.3 MB	35.9 MB	5.3 MB	35.9 MB
NC	34.2 MB	245.4 MB	46.8 MB	299.5 MB	46.8 MB	299.5 MB
ND	3.4 MB	22.1 MB	4.5 MB	26.9 MB	4.5 MB	26.9 MB
NE	7.6 MB	51.3 MB	10.2 MB	62.5 MB	10.2 MB	62.5 MB
NH	4.4 MB	29.3 MB	5.9 MB	35.6 MB	5.9 MB	35.6 MB
NJ	21.3 MB	160.7 MB	27.4 MB	194.7 MB	27.4 MB	194.7 MB
NM	6.1 MB	42.8 MB	8.1 MB	52.3 MB	8.1 MB	52.3 MB
NV	6.2 MB	47.3 MB	8 MB	57.6 MB	8 MB	57.6 MB
NY	48.5 MB	446 MB	61.5 MB	540.9 MB	61.5 MB	540.9 MB
OH	33 MB	243 MB	43.7 MB	294.6 MB	43.7 MB	294.6 MB
OK	15.7 MB	109.2 MB	21.9 MB	134.4 MB	21.9 MB	134.4 MB
OR	13.2 MB	96.4 MB	17.4 MB	117.7 MB	17.4 MB	117.7 MB
PA	33.6 MB	250.5 MB	44.6 MB	304.8 MB	44.6 MB	304.8 MB
PR	4 MB	31 MB	5.1 MB	37.8 MB	5.1 MB	37.8 MB
PW	3.1 KB	21.9 KB	3.1 KB	22.9 KB	3.1 KB	22.9 KB
RI	3.5 MB	24.6 MB	4.6 MB	29.8 MB	4.6 MB	29.8 MB
SC	17.4 MB	120.4 MB	23.8 MB	147 MB	23.8 MB	147 MB
SD	3.8 MB	24.2 MB	5.2 MB	29.5 MB	5.2 MB	29.5 MB
TN	23.1 MB	151.5 MB	30.8 MB	184.2 MB	30.8 MB	184.2 MB
TX	77.1 MB	581.9 MB	104.2 MB	711.7 MB	104.2 MB	711.7 MB
UT	6.6 MB	51.5 MB	8.9 MB	63.8 MB	8.9 MB	63.8 MB
VA	25.6 MB	179.7 MB	34.4 MB	218.3 MB	34.4 MB	218.3 MB
VI	139.4 KB	1.1 MB	146.3 KB	1.2 MB	146.3 KB	1.2 MB
VT	3.7 MB	23.9 MB	5.2 MB	29.5 MB	5.2 MB	29.5 MB
WA	21 MB	154.8 MB	27.6 MB	188.5 MB	27.6 MB	188.5 MB
WI	19.8 MB	129.6 MB	26.2 MB	157.5 MB	26.2 MB	157.5 MB
WV	6.8 MB	53.5 MB	10.1 MB	66.7 MB	10.1 MB	66.7 MB
WY	2.3 MB	15.2 MB	3 MB	18.6 MB	3 MB	18.6 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.