ARSouth America · South America

Argentina Address Validation API

Validate and standardise Argentina addresses in real time. Get a matched address, geocoordinates, confidence score, and CPA (Código Postal Argentino) data via a single API call.

ANNNNAAA
CPA (Código Postal Argentino)
OpenStreetMap
Data Source
Spanish
Languages
HIGH
Max Confidence

Argentina Address Validation Demo

Confidence:HIGH
POST /enrich — ResponseSample
{
  "_note": "Sample response — enter any address and click Validate for live data",
  "valid": true,
  "canonical_address": "Balcarce 50, C1064AAB Buenos Aires",
  "confidence": "HIGH",
  "delivery_risk": "low",
  "matched_address": {
    "line1": "Balcarce 50",
    "city": "Balcarce",
    "postal_code": "C1064AAB Buenos Aires",
    "country": "Argentina",
    "iso2": "AR"
  },
  "geocode": {
    "lat": -34.6037,
    "lng": -58.3816
  },
  "data_source": "OpenStreetMap",
  "issues": []
}

Argentina Address Format

Argentina uses the CPA system: a letter (province code) + 4 digits + 3 letters. Buenos Aires province uses B; CABA (Buenos Aires city) uses C. Addresses include street name + number, optional floor and apartment, city, province, and CPA.

Postal Code Name
CPA (Código Postal Argentino)
Format
ANNNNAAA
Official Languages
Spanish
Sample address:
Balcarce 50, C1064AAB Buenos Aires
Major cities:
Buenos AiresCórdobaRosarioMendozaTucumánLa PlataMar del Plata

Integration Code

curl -X POST https://agent.apitier.com/v1/enrich \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_API_KEY" \
  -d '{"address": "Balcarce 50, C1064AAB Buenos Aires"}'

Frequently Asked Questions

What address format does Argentina use?
Argentina uses the CPA system: a letter (province code) + 4 digits + 3 letters. Buenos Aires province uses B; CABA (Buenos Aires city) uses C. Addresses include street name + number, optional floor and apartment, city, province, and CPA.
What is a CPA (Código Postal Argentino) in Argentina?
Argentina uses a CPA (Código Postal Argentino) with the format ANNNNAAA to identify delivery areas. The APITier Address Agent API validates and standardises addresses including the CPA (Código Postal Argentino) as part of the response.
How do I validate a Argentina address via API?
Send a POST request to https://agent.apitier.com/v1/enrich with your address string in the request body and your API key in the x-api-key header. The response includes the standardised Argentina address, geocoordinates (lat/lng), a confidence score (HIGH/MEDIUM/LOW), and data source information.

More South America Countries

Ready to validate Argentina addresses at scale?

The APITier Address Agent API handles address validation across 120+ countries. Free trial — 20 requests, no credit card required.