Comprehensive Guide to Solomon Islands Phone Numbers

Quick Reference

Country: Solomon Islands
Country Code: +677
International Prefix: 00
National Prefix: None

Overview

Discover the Solomon Islands' telephone numbering system, covering number formats, dialing procedures, and technical insights. This guide is perfect for telecom professionals, developers, or anyone needing to understand the dialing process within or to the Solomon Islands.

Number Formats

General Number Structure

Solomon Islands phone numbers have a straightforward, fixed-length format with no national prefix for domestic calls due to the country's smaller population and telecom infrastructure.

Country Code: +677
Number Length: 7 digits (excluding country code)
Format: XXXXXX (where X is a digit)

Geographic (Landline) Numbers

Geographic numbers are used for fixed-line services:

Format: 2XXXXXX
Example: 2345678

Mobile Numbers

Mobile numbers have distinct prefixes:

Format: 7XXXXXX, 8XXXXXX, or 9XXXXXX
Example: 7654321

Toll-Free Numbers

Toll-free numbers are rare but follow a specific format:

Format: 1XXXXXX
Example: 1234567

Special Services Numbers

Reserved for essential services, these numbers are shorter:

Format: XXX
Example: 911 (Emergency Services)

Regular Expressions for Number Validation

Use these regular expressions to validate Solomon Islands phone numbers:

Geographic (Landline) Numbers:
```
^2\d{6}$
```
Mobile Numbers:
```
^[789]\d{6}$
```
Toll-Free Numbers:
```
^1\d{6}$
```
Special Services Numbers:
```
^\d{3}$
```

Dialing Procedures

Domestic Calls

Landline to Landline: Dial the 7-digit number directly.
Landline to Mobile: Dial the 7-digit mobile number directly.
Mobile to Mobile: Dial the 7-digit mobile number directly.

International Calls

Outgoing International Calls: Dial 00 followed by the country code, area code (if any), and the local number.
- Example: To call the United States, dial 00 1 XXX XXX XXXX.
Incoming International Calls: Callers from abroad should dial +677 followed by the 7-digit local number.

Recent and Upcoming Changes

As of the latest updates, there are no significant changes or upcoming revisions to the Solomon Islands' numbering plan.

Number Portability

The Solomon Islands does not currently support mobile number portability. Subscribers must obtain a new number when switching providers.

Major Telecom Operators and Number Ranges

The Solomon Islands' telecom market is served by several key operators:

Operator	Number Range
Telekom Solomon	2XXXXXX (Landline)
Our Telekom	7XXXXXX (Mobile)
BMobile	8XXXXXX (Mobile)
BeMobile	9XXXXXX (Mobile)

ITU-T Recommendations

The Solomon Islands' numbering plan adheres to ITU-T Recommendation E.164, which governs the international public telecommunication numbering plan.

Number Allocation and Management

The Telecommunications Commission of Solomon Islands (TCSI) is responsible for the allocation and management of phone numbers in the country.

Technical Restrictions and Special Cases

Golden Numbers: There is no public information on the allocation of 'golden' or vanity numbers within the Solomon Islands.
Number Blocking: Specific number ranges may be blocked for reasons such as spam prevention, but details are not publicly disclosed.

Technical Considerations for Developers

When integrating Solomon Islands phone numbers into systems:

Normalization: Ensure numbers are stored in E.164 format (+677XXXXXXXX).
Validation: Use the provided regular expressions to validate input.
Internationalization: Consider the absence of a national prefix and ensure systems can handle numbers without it.

For the most up-to-date information on telecommunications regulations in the Solomon Islands, please consult the official website of the Telecommunications Commission of Solomon Islands (TCSI).