What is the country code for Jersey (JE)?

The country code for Jersey (JE) is +44, which it shares with the United Kingdom. When dialing to Jersey from abroad, you should use +44 followed by the local number without the leading '0'.

How are mobile numbers structured in Jersey?

Mobile numbers in Jersey follow the format `07XXX XXXXXX`, where `07` is the prefix for mobile numbers, followed by a 9-digit subscriber number. For example, a typical mobile number would look like 07700912345.

What are the dialing procedures for international calls to Jersey?

To make an international call to Jersey, dial the international prefix (e.g., 00), followed by the country code +44, and then the local number without the leading '0'. For example, to call a Jersey landline number, you would dial 00 44 1534 XXXXXX.

Is number portability supported in Jersey?

Yes, Jersey supports number portability, allowing users to retain their phone numbers when switching between service providers. This applies to both mobile and fixed-line numbers.

Who are the major telecom operators in Jersey, and what number ranges do they use?

The major telecom operators in Jersey are Sure and JT Group, both offering mobile and fixed-line services. While specific number ranges for these operators are not publicly disclosed, they generally adhere to the standard formats for geographic, mobile, toll-free, and premium rate numbers as described in the UK's National Telephone Numbering Plan.

What is the country code for Jersey phone numbers?

The country code for Jersey phone numbers is +44.

How do I dial a Jersey phone number from abroad?

To dial a Jersey phone number from abroad, use the international dialing format: +44 followed by the local number without the leading 0.

What is the area code for geographic numbers in Jersey?

The area code for geographic numbers in Jersey is 1534.

How many digits are in a typical Jersey subscriber number?

A typical Jersey subscriber number has 6 to 8 digits.

Which regulatory authority oversees telecommunications in Jersey?

Telecommunications in Jersey are overseen by Ofcom.

What is the format for Jersey mobile numbers?

Jersey mobile numbers follow the format 07XXX XXXXXX.

Can I keep my phone number if I switch providers in Jersey?

Yes, Jersey supports number portability, allowing you to retain your phone number when switching providers.

What is the international prefix for dialing out of Jersey?

The international prefix for dialing out of Jersey is 00.

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

To make a domestic call from a landline to a mobile in Jersey, dial the full 10-digit mobile number starting with 07.

Are there toll-free numbers in Jersey?

Yes, Jersey has toll-free numbers, which follow the format 0800 XXX XXXX.

What is the national prefix for Jersey phone numbers?

The national prefix for Jersey phone numbers is 0.

What format do premium rate numbers in Jersey follow?

Premium rate numbers in Jersey follow the format 09XX XXX XXXX.

Which major telecom operators are present in Jersey?

The major telecom operators in Jersey include Sure and JT Group.

Is there a specific format for non-geographic numbers in Jersey?

Yes, non-geographic numbers in Jersey follow the format 03XX XXX XXXX.

How should developers validate Jersey phone numbers?

Developers should use regular expressions to validate Jersey phone numbers, such as ^07\d{9}$ for mobile numbers.

What should I do to ensure compliance with Jersey's telecom regulations?

Ensure compliance by following ITU-T E.164 standards and staying updated with Ofcom's announcements.

How do I make an outgoing international call from Jersey?

To make an outgoing international call from Jersey, dial 00, followed by the country code and the local number.

Jersey Phone Numbers: Formats, Dialing, and Regulations

Quick Reference

Country: Jersey
Country Code: +44
International Prefix: 00
National Prefix: 0
Regulatory Authority: Ofcom (UK)

Overview

This guide offers a detailed overview of Jersey's telephone numbering plan, focusing on phone number structures, dialing procedures, and telecommunications regulations. It's essential for telecom professionals, developers, and system administrators seeking precise information on Jersey's phone number formats.

Number Formats

General Number Structure

Jersey follows the UK's National Telephone Numbering Plan, using the +44 country code. The typical phone number structure in Jersey includes:

Country Code: +44
Area Code: 1534 (for geographic numbers)
Subscriber Number: 6 to 8 digits

Detailed Number Formats

Type	Format	Example	Regular Expression
Geographic Numbers	`1534 XXXXXX` or `1534 XXXXXXX`	1534123456	`^1534\d{6,7}$`
Mobile Numbers	`07XXX XXXXXX`	07700912345	`^07\d{9}$`
Toll-Free Numbers	`0800 XXX XXXX`	08001234567	`^0800\d{6,7}$`
Premium Rate Numbers	`09XX XXX XXXX`	09001234567	`^09\d{8}$`
Non-Geographic	`03XX XXX XXXX`	03001234567	`^03\d{8}$`

Dialing Procedures

Domestic Calls

Landline to Landline: Dial the full 7-digit local number.
Landline to Mobile: Dial the full 10-digit mobile number starting with 07.
Mobile to Mobile: Dial the full 10-digit mobile number.

International Calls

Outgoing: Dial 00, followed by the country code and local number. For example, to call the UK, dial 00 44 and the local number.
Incoming: Callers from abroad should dial +44, followed by the local number without the leading 0.

Number Allocation and Management

Regulatory Body

The telecommunications sector in Jersey is regulated by Ofcom, which also oversees the UK's telecommunications industry. Number allocation and management in Jersey adhere to Ofcom's guidelines.

Number Portability

Jersey supports number portability, allowing users to retain their phone numbers when switching providers. This applies to both mobile and fixed-line numbers.

Major Telecom Operators and Number Ranges

Jersey's telecom market includes operators like:

Sure: Offers mobile and fixed-line services.
JT Group: Provides a variety of services, including mobile and fixed-line.

Technical Considerations for Developers

When working with Jersey phone numbers, consider:

Validation: Use regular expressions to validate phone number formats. For example, to validate a Jersey mobile number:
```
^07\d{9}$
```
Number Formatting: Ensure systems handle both national and international formats correctly, removing the leading 0 for international dialing.
Portability: Implement support for number portability to enhance user experience when switching providers.
Compliance: Ensure compliance with ITU-T E.164 standards for international numbers.

ITU-T Recommendations

Jersey adheres to ITU-T recommendations, particularly the E.164 standard, ensuring global compatibility and standardization of phone numbers.

Recent or Upcoming Changes

There have been no significant changes to Jersey's numbering plan in the past five years. Stay informed by monitoring Ofcom's announcements for updates.

Technical Restrictions and Special Cases

Currently, there are no specific technical restrictions or special cases, such as golden numbers or number blocking, in Jersey's numbering plan.

For the latest information on telecommunications regulations in Jersey, visit the Ofcom website.

Conclusion

Jersey's telephone numbering plan aligns closely with the UK's, featuring specific formats for geographic, mobile, toll-free, and premium rate numbers. Understanding these formats and dialing procedures is crucial for telecom professionals and developers. By following this guide, you can ensure compliance with the latest telecommunications standards and best practices in Jersey.