Postal code · CPA

Argentina postal codes

Q: What is the postal code format in Argentina?

Argentina postal codes follow the pattern @####@@@ (# = digit, @ = letter). Examples: C1070AAM, C1000WAM, B1000TBU, X5187XAB.

Q: What regex validates Argentina postal codes?

^(?:[A-HJ-NP-Z]\d{4}[A-Z]{3})$ 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.

Argentina postal codes have the format @####@@@, for example C1070AAM. zipcodestack has 22,739 postal codes for Argentina in 23 regions.

Format: @####@@@
Example: C1070AAM
Codes in our database: 22,739
Local name: Código Postal Argentino (CPA)

Argentina postal code format

Pattern	@####@@@ (# digit, @ letter)
Examples	C1070AAM, C1000WAM, B1000TBU, X5187XAB
Regex	`^(?:[A-HJ-NP-Z]\d{4}[A-Z]{3})$`
Official lookup	www.correoargentino.com.ar

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

Postal Codes by region

Region	Range	Codes
Buenos Aires	1601 – 8512	548
Catamarca	4139 – 5753	48
Chaco	3500 – 3734	43
Chubut	8211 – 9431	46
Cordoba	2189 – 8522	290
Corrientes	3185 – 3641	71
Entre Rios	1647 – 3826	110
Formosa	3511 – 7401	24
Jujuy	4411 – 4655	42
La Pampa	3203 – 8336	62
La Rioja	5263 – 5741	45
Mendoza	5435 – 6279	78
Misiones	3300 – 3601	42
Neuquen	3353 – 8407	29
Rio Negro	8134 – 9138	47
Salta	3636 – 4651	56
San Juan	5400 – 5546	36
San Luis	4703 – 6721	60
Santa Cruz	8401 – 9407	23
Santa Fe	2000 – 8148	225
Santiago Del Estero	2340 – 5714	109
Tierra Del Fuego	9409 – 9421	5
Tucuman	4000 – 5157	66

Postal Codes of the largest cities

These lists show the 4-digit postal codes. The full CPA adds a province letter and three letters for the block, e.g. C1070AAM.

Neighbouring countries

🇧🇷 Brazil#####-###🇨🇱 Chile#######🇵🇾 Paraguay####🇺🇾 Uruguay#####

Argentina postal codes: FAQ

What is the postal code format in Argentina?

Argentina postal codes follow the pattern @####@@@ (# = digit, @ = letter). Examples: C1070AAM, C1000WAM, B1000TBU, X5187XAB.

What regex validates Argentina postal codes?

^(?:[A-HJ-NP-Z]\d{4}[A-Z]{3})$ 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 postal code of Buenos Aires?

Buenos Aires has 8 postal codes, starting with 1822. The right one depends on the street; see the full list for Buenos Aires.

What are postal codes called in Argentina?

In Argentina the postal code is called Código Postal Argentino (CPA).

How many postal codes are there in Argentina?

The zipcodestack database contains 22,739 postal codes for Argentina, each with place name, region and coordinates.

Postal code API

Look up Argentina postal 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=C1070AAM&country=ar

{
  "results": {
    "C1070AAM": [{
      "postal_code": "C1070AAM",
      "country_code": "AR",
      "city": "…",
      "state": "…",
      "latitude": …,
      "longitude": …
    }]
  }
}

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