# How long can phone numbers be?

## How long can phone numbers be?

15 digits

The International Telecommunication Union (ITU) has established a comprehensive numbering plan, designated E. 164, for uniform interoperability of the networks of its member state or regional administrations. It is an open numbering plan, however, imposing a maximum length of 15 digits to telephone numbers.

## What is a phone number field format?

This is what a phone number field looks like on a form. Validating Phone Numbers. The Format option will allow you to force the Field to format according to the following options: National: The same format as if you were dialing a number in-country (e.g., 800-555-5555) International: For example, +1 800 555 5555.

**What is the maximum number of digits allowable in an e 164 telephone number?**

fifteen digits

E. 164 numbers are formatted [+] [country code] [subscriber number including area code] and can have a maximum of fifteen digits.

**How long are phone numbers in the US?**

11 digits

Phone numbers in the United States typically consist of 11 digits — the 1-digit country code, a 3-digit area code and a 7-digit telephone number.

### Are all phone numbers the same length?

The length of the telephone number varies depending on the country you are calling. In many European countries, phone numbers are variable in length, ranging from just five or six digits in small towns to ten or more in large cities. In the United States, phone numbers are fixed-length, with a total of 10 digits.

### What is a phone field?

The Phone field enables your users to enter a valid international phone number. An input box, with indicative text, to enter the phone number.

**Can phone numbers be longer than 10 digits?**

There’s no ‘rule’ that says numbers have to have 11 digits. Countries are independent – they can set the length of their numbers, according to their own needs. The phone companies and governments co-operate in deciding what their numbering system will be.

**How long are UK landline numbers?**

Geographic telephone numbers in the UK always have nine or ten digits after the 0 trunk code or +44 international dialling prefix.

#### What is the purpose of the ITU TE 164 numbering scheme?

Recommendation ITU-T E. 164 provides the number structure and functionality for the five categories of numbers used for international public telecommunication: geographic areas, global services, Networks, groups of countries (GoC) and resources for trials.