# Comprehensive Guide to Phone Numbers in Bolivia

## Quick Reference

**Country**: Bolivia (Plurinational State of)**Country Code**: +591**International Prefix**: 00**National Prefix**: 0

## Overview

This guide offers an in-depth look at Bolivia's telephone numbering system, including number formats, dialing procedures, and telecom standards. Ideal for telecom professionals, developers, and system administrators.

## Number Formats

Bolivia's phone numbers follow a specific format with country codes, area codes, and subscriber numbers.

### General Number Structure

**Country Code**: +591**Subscriber Number Length**: 7 or 8 digits**Area Codes**: 1 to 3 digits

### Geographic Numbers (Landlines)

Geographic numbers are 8 digits long, including the area code.

Type | Format | Example |
---|---|---|

Geographic | `0X XXX XXXX` | 022 123 4567 |

Geographic | `0XX XXX XXXX` | 0222 123 4567 |

Geographic | `0XXX XXX XXXX` | 02222 123 4567 |

### Mobile Numbers

Mobile numbers start with `6`

or `7`

and are 8 digits long.

Type | Format | Example |
---|---|---|

Mobile | `6X XXX XXX` | 612 345 678 |

Mobile | `7X XXX XXX` | 712 345 678 |

### Toll-Free Numbers

Toll-free numbers begin with `800`

.

Type | Format | Example |
---|---|---|

Toll-Free | `800 XXX XXXX` | 800 123 4567 |

Toll-Free | `800 XXXX` | 800 1234 |

### Premium Rate Numbers

Premium rate numbers start with `900`

.

Type | Format | Example |
---|---|---|

Premium Rate | `900 XXX XXXX` | 900 123 4567 |

## Regular Expressions for Number Validation

**Geographic Numbers**:`^0[2-4]\d{2} \d{4}$`

**Mobile Numbers**:`^[67]\d{7}$`

**Toll-Free Numbers**:`^800\d{4,7}$`

**Premium Rate Numbers**:`^900\d{4,7}$`

## Dialing Procedures

### Domestic Calls

**Landline to Landline**: Dial the full 8-digit number.**Landline to Mobile**: Dial the full 8-digit mobile number.**Mobile to Mobile**: Dial the full 8-digit mobile number.

### International Calls

**Outgoing from Bolivia**: Dial`00`

, then the country code, area code, and subscriber number.**Incoming to Bolivia**: Dial`+591`

, then the area code and subscriber number.

## Number Portability

Bolivia supports mobile number portability, allowing users to retain numbers when switching carriers. Landline portability is not available.

## Major Telecom Operators and Number Ranges

Operator | Number Ranges |
---|---|

Entel Bolivia | 6000000 - 6999999 |

Tigo Bolivia | 7000000 - 7999999 |

Viva Bolivia | 6000000 - 6999999 |

Cotas | Landline numbers in Santa Cruz (3X) |

Comteco | Landline numbers in Cochabamba (4X) |

## ITU Standards

Bolivia follows the ITU-T E.164 recommendation for international numbering.

## Number Allocation and Management

The Autoridad de Regulación y Fiscalización de Telecomunicaciones y Transportes (ATT) manages phone number allocation and compliance with standards.

## Technical Restrictions and Special Cases

**Golden Numbers**: No formal policy exists for golden numbers.**Number Blocking**: Some premium rate numbers may be blocked.

## Technical Considerations

For developers and administrators:

**Validation**: Use regular expressions to validate numbers.**Portability**: Check for mobile number portability.**Internationalization**: Store numbers in E.164 format.**Time Zone**: Bolivia is in the Bolivia Time (BOT) zone, UTC-4.

For the latest on Bolivia's telecom regulations, visit the ATT website.