ZIP code

United States ZIP codes

Q: What is the zip code format in United States?

United States ZIP codes follow the pattern #####-#### (# = digit, @ = letter). Examples: 95014, 22162-1010.

Q: What regex validates United States ZIP codes?

^(?:(\d{5})(?:[ \-](\d{4}))?)$ matches the official format (from Google's address metadata). It checks the shape only; whether a code exists needs a lookup in a postal code database such as the zipcodestack API.

United States ZIP codes have the format #####-####, for example 95014. zipcodestack has 42,595 ZIP codes for United States in 52 states.

Format: #####-####
Example: 95014
Codes in our database: 42,595
Local name: ZIP code

United States zip code format

Pattern	#####-#### (# digit, @ letter)
Examples	95014, 22162-1010
Regex	`^(?:(\d{5})(?:[ \-](\d{4}))?)$`
Official lookup	tools.usps.com

Format and regex from Google's address metadata (libaddressinput). The regex checks the shape of a code, not whether it exists.

ZIP Codes by state

State	Range	Codes
Alabama	35004 – 36925	811
Alaska	99501 – 99950	273
Arizona	85001 – 86556	530
Arkansas	71601 – 72959	706
California	90001 – 96162	2,593
Colorado	80001 – 81658	645
Connecticut	06001 – 06927	429
Delaware	19701 – 19980	96
District of Columbia	20001 – 56972	277
Florida	32003 – 34997	1,473
Georgia	30002 – 39901	952
Hawaii	96701 – 96898	137
Idaho	83201 – 83877	320
Illinois	60001 – 62999	1,575
Indiana	46001 – 47997	968
Iowa	50001 – 52809	1,055
Kansas	66002 – 67954	748
Kentucky	40003 – 42788	946
Louisiana	70001 – 71497	719
Maine	03901 – 04992	485
Marshall Islands	96960 – 96970	2
Maryland	20588 – 21930	605
Massachusetts	01001 – 05544	685
Michigan	48001 – 49971	1,159
Minnesota	55001 – 56763	992
Mississippi	38601 – 39776	531
Missouri	63005 – 72643	1,157
Montana	59001 – 59937	404
Nebraska	68001 – 69367	620
Nevada	88901 – 89883	254
New Hampshire	03031 – 03897	281
New Jersey	07001 – 08989	723
New Mexico	87001 – 88439	427
New York	00501 – 14905	2,154
North Carolina	27006 – 28909	1,081
North Dakota	58001 – 58856	407
Ohio	43001 – 45999	1,416
Oklahoma	73001 – 74966	765
Oregon	97001 – 97920	481
Pennsylvania	15001 – 19612	2,176
Rhode Island	02801 – 02940	90
South Carolina	29001 – 29945	534
South Dakota	57001 – 57799	385
Tennessee	37010 – 38589	785
Texas	73301 – 88595	2,600
Utah	84001 – 84791	347
Vermont	05001 – 05907	308
Virginia	20101 – 24658	1,214
Washington	98001 – 99403	716
West Virginia	24701 – 26886	851
Wisconsin	53001 – 54990	896
Wyoming	82001 – 83414	195

Neighbouring countries

🇨🇦 Canada@#@ #@#🇲🇽 Mexico#####

United States ZIP codes: FAQ

What is the zip code format in United States?

United States ZIP codes follow the pattern #####-#### (# = digit, @ = letter). Examples: 95014, 22162-1010.

What regex validates United States ZIP codes?

^(?:(\d{5})(?:[ \-](\d{4}))?)$ matches the official format (from Google's address metadata). It checks the shape only; whether a code exists needs a lookup in a postal code database such as the zipcodestack API.

What is the zip code of Washington?

Washington has 271 ZIP codes, starting with 20001. The right one depends on the street; see the full list for Washington.

How many ZIP codes are there in United States?

The zipcodestack database contains 42,595 ZIP codes for United States, each with place name, region and coordinates.

Postal code API

Look up United States ZIP codes by API

zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.

/v1/search documentation International postal code API All documentation

300 free requests every month. No credit card required.

GET https://api.zipcodestack.com/v1/search?codes=95014&country=us

{
  "results": {
    "95014": [{
      "postal_code": "95014",
      "country_code": "US",
      "city": "…",
      "state": "…",
      "latitude": …,
      "longitude": …
    }]
  }
}

Free postal code tools

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