What is the country code for Saint Lucia?

The country code for Saint Lucia is +1, and the specific area code is 758, making the full international dialing code +1 758.

How are mobile numbers structured in Saint Lucia?

Mobile numbers in Saint Lucia follow the format +1 758 NXX XXXX, where 'NXX' represents the first three digits which are specific prefixes like 284, 384, 460, 484, 520, 584, 712, or 812, and 'XXXX' is the individual subscriber number.

What are the dialing procedures for international calls to Saint Lucia?

To dial a number in Saint Lucia from abroad, you need to use the international dialing format: +1 758 followed by the 7-digit subscriber number (NXX XXXX).

Which telecom operators are the major providers in Saint Lucia, and what number ranges do they use?

The major telecom operators in Saint Lucia are Digicel Saint Lucia and Flow Saint Lucia. Digicel uses the number ranges 284, 384, 460, 520, and 584, while Flow uses 712, 812, and 484.

What is the country code for Saint Lucia?

The country code for Saint Lucia is +1 (758).

How do I dial a Saint Lucia phone number from abroad?

To dial a Saint Lucia phone number from abroad, use the format +1 758 NXX XXXX.

What is the international dialing prefix for outgoing calls from Saint Lucia?

The international dialing prefix for outgoing calls from Saint Lucia is 011.

How are phone numbers structured in Saint Lucia?

Phone numbers in Saint Lucia are structured as follows: +1 758 followed by a 7-digit subscriber number.

Can I keep my mobile number if I switch service providers in Saint Lucia?

Yes, Saint Lucia supports mobile number portability, allowing you to keep your number when switching providers.

What are the number ranges for Digicel Saint Lucia?

Digicel Saint Lucia uses number ranges such as 284, 384, 460, 520, and 584.

Which organization manages phone number allocation in Saint Lucia?

The National Telecommunications Regulatory Commission (NTRC) manages phone number allocation in Saint Lucia.

What is the format for toll-free numbers in Saint Lucia?

Toll-free numbers in Saint Lucia are formatted as +1 800 XXX XXXX.

Are there any special technical restrictions on phone numbers in Saint Lucia?

There are no specific technical restrictions or special cases like golden numbers publicly mentioned for Saint Lucia.

What is the emergency services number in Saint Lucia?

The emergency services number in Saint Lucia is 911.

How do I validate a Saint Lucia mobile number using a regular expression?

Use the regular expression /^1-758-(284|384|460|484|520|584|712|812)\d{4}$/ to validate a Saint Lucia mobile number.

What is the national prefix for dialing within Saint Lucia?

The national prefix for dialing within Saint Lucia is 1.

What standards does Saint Lucia adhere to for phone numbering?

Saint Lucia adheres to the ITU-T E.164 standard for phone numbering.

How do I make a domestic call from a landline to a mobile in Saint Lucia?

To make a domestic call from a landline to a mobile in Saint Lucia, dial 1 + 758 + NXX XXXX.

What are the number ranges for Flow Saint Lucia?

Flow Saint Lucia uses number ranges such as 712, 812, and 484.

Can I call a toll-free number in Saint Lucia from outside the country?

Calling a toll-free number in Saint Lucia from outside the country may not be free and depends on the service provider's policies.

What is the format for premium rate numbers in Saint Lucia?

Premium rate numbers in Saint Lucia are formatted as +1 900 XXX XXXX.

How can developers ensure correct phone number formatting in Saint Lucia?

Developers should use NANP standards and provided regular expressions to ensure correct phone number formatting in Saint Lucia.

What should telecom systems consider for routing in Saint Lucia?

Telecom systems should ensure routing tables are updated with the latest number allocations and ported numbers in Saint Lucia.

Where can I find the most up-to-date telecommunications regulations for Saint Lucia?

For the latest telecommunications regulations in Saint Lucia, visit the National Telecommunications Regulatory Commission's official website at https://www.ntrcslu.lc/.

Understanding Phone Numbers in Saint Lucia

Q: Is mobile number portability supported in Saint Lucia?

Yes, Saint Lucia supports mobile number portability (MNP), allowing subscribers to retain their mobile numbers when switching between service providers.

Quick Reference

Country: Saint Lucia
Country Code: +1 (758)
International Prefix: 011
National Prefix: 1

Overview

This technical guide offers a detailed look into the telephone numbering plan of Saint Lucia. It includes phone number structures, dialing procedures, telecom regulations, and essential technical insights for developers and telecom professionals.

Number Structure

Saint Lucia is part of the North American Numbering Plan (NANP), sharing its structure with several countries. Here's how phone numbers are organized:

Country Code: +1 (common to all NANP countries)
Area Code: 758 (unique to Saint Lucia)
Subscriber Number: 7 digits

Number Format Overview

Type	Format	Example
Geographic (Landline)	+1 758 XXX XXXX	+1 758 456 7890
Mobile	+1 758 XXX XXXX	+1 758 284 1234
Toll-Free	+1 800 XXX XXXX	+1 800 123 4567
Premium Rate	+1 900 XXX XXXX	+1 900 234 5678
Emergency Services	911	911

Detailed Number Formats

Geographic (Landline) Numbers

Format: 758 NXX XXXX
NXX: The first three digits after the area code, where N can be any digit from 2-9.
XXXX: The last four digits, representing the individual subscriber number.

Mobile Numbers

Format: 758 NXX XXXX
NXX: Mobile numbers typically start with specific prefixes such as 284, 384, 460, 484, 520, 584, 712, 812, etc.
XXXX: The last four digits, representing the individual subscriber number.

Toll-Free Numbers

Format: 800 XXX XXXX
XXX: The first three digits after the toll-free prefix, where X can be any digit from 2-9.
XXXX: The last four digits, representing the individual subscriber number.

Premium Rate Numbers

Format: 900 XXX XXXX
XXX: The first three digits after the premium rate prefix, where X can be any digit from 2-9.
XXXX: The last four digits, representing the individual subscriber number.

Regular Expressions for Validation

For developers and telecom system administrators, the following regular expressions can be used to validate Saint Lucia phone numbers:

Geographic (Landline) Numbers:
```
/^1-758-[2-9]\d{2}-\d{4}$/
```

Mobile Numbers:

/^1-758-(284|384|460|484|520|584|712|812)\d{4}$/

Toll-Free Numbers:
```
/^1-800-[2-9]\d{2}-\d{4}$/
```
Premium Rate Numbers:
```
/^1-900-[2-9]\d{2}-\d{4}$/
```

Dialing Procedures

Domestic Calls

Landline to Landline: Dial 1 + 758 + NXX XXXX
Landline to Mobile: Dial 1 + 758 + NXX XXXX
Mobile to Mobile: Dial 1 + 758 + NXX XXXX

International Calls

Outgoing from Saint Lucia: Dial 011 + Country Code + Area Code + Local Number
Incoming to Saint Lucia: Dial +1 758 + NXX XXXX

Number Portability

Saint Lucia supports mobile number portability (MNP), allowing subscribers to retain their mobile numbers when switching between service providers. This enhances competition among telecom operators and provides flexibility for consumers.

Major Telecom Operators and Number Ranges

Operator	Number Ranges
Digicel Saint Lucia	284, 384, 460, 520, 584
Flow Saint Lucia	712, 812, 484

ITU-T Recommendations

Saint Lucia adheres to the ITU-T E.164 standard, which defines the international public telecommunication numbering plan. This standard ensures that telephone numbers are globally unique and can be dialed from anywhere in the world.

Number Allocation and Management

The National Telecommunications Regulatory Commission (NTRC) of Saint Lucia is responsible for the allocation and management of telephone numbers. They ensure that the numbering plan is efficiently administered and that sufficient numbers are available for future growth.

Technical Restrictions and Special Cases

There are no specific technical restrictions or special cases such as golden numbers or number blocking mentioned in the public domain for Saint Lucia. However, telecom operators may offer custom services under specific agreements.

Technical Considerations

For Developers

Number Validation: Use the provided regular expressions to validate phone numbers in Saint Lucia.
Formatting: Ensure that phone numbers are correctly formatted according to the NANP standards.
Integration: When integrating with international systems, consider the E.164 format for global interoperability.

For Telecom Systems

Routing: Ensure that routing tables are updated to reflect the latest number allocations and ported numbers.
Billing: Implement correct billing procedures for different number types, including toll-free and premium rate numbers.
Compliance: Adhere to NTRC regulations and ITU-T standards when managing phone numbers in Saint Lucia.

For the most up-to-date information on telecommunications regulations in Saint Lucia, please consult the official website of the National Telecommunications Regulatory Commission (NTRC).

This guide ensures you have the essential information on Saint Lucia's phone number formats and regulations, crucial for professionals in the telecommunications field.