The country code for Bolivia is +591. This code is required when dialing Bolivian numbers from another country. Remember to drop the leading zero from the area code when using the country code.

To dial a landline in Bolivia, dial 0 followed by the area code and the 7-digit subscriber number. Area codes can be 1 to 3 digits long, resulting in an 8-digit local number.

Dial the international prefix (00), followed by Bolivia's country code (+591), then the 8-digit mobile number. Mobile numbers in Bolivia start with either 6 or 7.

Bolivian mobile phone numbers are 8 digits long and start with either 6 or 7. The format is typically XXX XXX XXX, following the international country code +591.

The article provides regular expressions for validating different Bolivian number types. For example, mobile numbers can be validated using the regex ^[67]\d{7}$, and landlines with ^0[2-4]\d{2} \d{4}$. These regex patterns ensure the correct number structure and length.

Toll-free numbers in Bolivia start with 800 and can be either 7 or 4 digits long after the 800 prefix. These numbers can be called free of charge from within Bolivia.

Premium rate numbers in Bolivia begin with 900 followed by four to seven digits. Be aware that these calls incur higher charges than standard calls.

Both Entel Bolivia and Viva Bolivia use mobile number ranges starting with 6. These are 8-digit numbers in the series 6000000 to 6999999.

Number portability in Bolivia is currently only available for mobile numbers. Landline number portability is not supported.

The Autoridad de Regulaci??n y Fiscalizaci??n de Telecomunicaciones y Transportes (ATT) manages phone number allocation and ensures compliance with telecommunication standards in Bolivia.

Bolivia uses Bolivia Time (BOT), which is UTC-4. Consider the time difference when scheduling international calls.

Bolivia adheres to the ITU-T E.164 recommendation for international numbering to ensure global interoperability and standardized communication. This facilitates seamless cross-border connectivity.

For international compatibility, it's best practice to store Bolivian phone numbers in the E.164 format, which includes the +591 country code. This ensures consistent formatting and facilitates easier integration with international systems.

While there isn't a formal policy on 'golden numbers', some premium-rate numbers might be blocked by certain carriers. This information is important for developers and system administrators to consider when handling Bolivian numbers.