What Is 0208

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Last updated: April 11, 2026

Quick Answer: 0208 is not an actual area code, but a common misconception about London telephone numbers. The real area code for London is 020, while the 8 is the first digit of the local subscriber number. This confusion originated from the Big Number Change on April 22, 2000, when old codes 0171 and 0181 were replaced with 020.

Key Facts

London's actual dialing code is 020, not 0208 or 0207 as many believe
The Big Number Change occurred on April 22, 2000, replacing 0171 and 0181 with 020
Old 0181-xxx xxxx numbers became (020) 8xxx xxxx, creating the 0208 confusion
A 2005 study found only 13% correctly identified 020 as London's code without prompting
59% of respondents incorrectly identified 0207 or 0208 as London's actual area codes

Overview

0208 is not an official area code, despite being widely referenced in conversation. It represents a common misconception about London's telephone numbering system that has persisted for over two decades. The correct dialing code for Greater London and surrounding areas is simply 020, with the 8 being the first digit of the local subscriber number.

This confusion arose from significant changes to the UK telephone numbering system implemented on April 22, 2000, during what became known as the Big Number Change. When older area codes 0171 and 0181 were consolidated into a single 020 code, the way people communicated phone numbers created widespread misunderstanding about the structure of London numbers.

How It Works

Understanding London's phone numbering system requires knowing the correct breakdown:

The Area Code (020): This is the dialing code for Greater London, covering both inner and outer London regions. It is a single unified code for the entire metropolitan area.
The Local Number Structure: After dialing 020, you enter an 8-digit local subscriber number. The first digit of this local number often determines the geographic region within London, with 8 typically representing outer London areas.
Why 0208 Exists in Speech: People commonly pause after the first digit of the local number (020 8), leading to colloquial references to "0208" numbers. However, this is simply a verbal habit rather than an official designation.
International Format: When calling London from abroad, the format is +44 20, not +44 208. The 44 is the country code for the United Kingdom, and 20 is the area code.
Eight-Digit Subscriber Numbers: London numbers always consist of the 020 code followed by exactly 8 digits. This standardized length distinguishes London from other UK cities with different area code structures.

Key Comparisons

Aspect	Old System (Pre-2000)	Current System (Post-2000)
Inner London Code	0171	020 7xxx xxxx
Outer London Code	0181	020 8xxx xxxx
Total Dialing Code	5 digits (0171 or 0181)	3 digits (020)
Local Number Length	6 digits	8 digits
Common Misconception	Not applicable	People refer to "0208" as an area code
Correct Reference	0181 for outer London	020 for all London

Why It Matters

Communication Clarity: Understanding the correct structure prevents confusion when writing or reciting phone numbers. Saying "020 8" instead of "0208" demonstrates knowledge of the proper numbering system.
Business Credibility: Companies and organizations listing their phone numbers should use the correct format (020 8) to appear professional and reduce confusion among callers, particularly international contacts.
Historical Awareness: The 2000 Big Number Change represented a significant modernization of UK telecommunications infrastructure, consolidating multiple area codes into unified codes for major cities.
Persistent Misconceptions: A 2005 study commissioned to examine public understanding revealed that only 13% of respondents correctly identified 020 as London's dialing code without prompting. Shockingly, 59% of people incorrectly identified either 0207 or 0208 as London's actual area codes.

The 0208 misconception demonstrates how telecommunications infrastructure changes can create lasting confusion in public understanding. Despite over two decades passing since the Big Number Change, the myth persists in common speech and even in some business listings. Recognizing that 0208 is simply a colloquial reference to 020 8 numbers, rather than an official designation, helps clarify London's actual telephone numbering system and ensures accurate communication across digital and voice platforms.