Paraguay Phone Numbers: Format, Area Code & Validation Guide - phone-number-standards -

Frequently Asked Questions

Landline numbers in Paraguay follow the format [2-8]XXXXXX or [2-8]XXXXXXX, where the subscriber number can be either six or seven digits long. The area code, represented by the first digit, indicates the geographic region. For example, 021 is the area code for Asunción Metropolitan.
Paraguay mobile numbers use a 9-digit format: 9[1-9]XXXXXXX. For better readability, format them as 9XX XXX XXX, separating the digits into groups of three. The second digit identifies the carrier (e.g., 96 for Tigo, 97 for Claro).
Use regular expressions for robust validation. For landlines, use /^[2-8]\d{5,6}$/ to match 6 or 7 digits after the area code. For mobiles, use /^9[1-9]\d{7}$/ to match 9 digits starting with 9[1-9]. Remember to normalize numbers by removing non-numeric characters before validation.
The country code for Paraguay is +595. This code is used for international calls to Paraguay. When calling from within Paraguay, use the national prefix 0 instead of the country code.
Number portability in Paraguay lets users switch carriers while keeping their number. It involves a centralized database. Developers can integrate with this database (if an API is available) or use third-party services to check portability status, which is crucial for accurate carrier identification.
Mobile subscriptions account for about 97% of all telephony subscribers in Paraguay due to historically poor fixed-line infrastructure. This high mobile penetration makes mobile-first development essential for reaching the majority of users.
CONATEL (Comisión Nacional de Telecomunicaciones) is Paraguay's telecommunications regulatory authority. It manages the numbering plan, ensures service quality, promotes competition, and sets standards for customer service and technical compliance.
Normalize Paraguayan phone numbers by removing all non-numeric characters. If the number starts with a '0', prepend '595' (the country code) after removing the '0'. This ensures consistency and improves validation reliability.
Real-time verification services use APIs to provide current information about a number's status, carrier, and portability. Normalize the number before sending it to the API. This ensures accurate lookup and returns details like carrier name, status, and portability.
Paraguay's telecom market is primarily served by four major operators: Tigo, Claro, Personal, and VOX. Tigo leads the market but the landscape remains competitive. Stay informed about market trends as they can impact application strategies.
Premium services like vanity numbers or short codes may require specific validation rules. Network limitations, carrier-specific services, and regulatory compliance can impact functionality. Be aware of these factors to avoid unexpected issues during development.
The official CONATEL website (http://www.conatel.gov.py) provides the most up-to-date information on regulations and technical requirements for Paraguayan phone numbers. Consulting this resource ensures compliance and keeps your application aligned with the current standards.
Consider number portability when developing features like carrier identification or targeted services. Since users can switch carriers while keeping their number, relying solely on the original carrier assignment can lead to inaccuracies. Portability checks ensure data integrity.
The second digit of a Paraguay mobile number indicates the carrier. 96 is for Tigo, 97 for Claro, 98 for Personal, and 99 for VOX. While Tigo currently holds a significant market share, this can change, so stay updated on market trends.
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