10 Correct Abbreviations for "Phone Number" (2024)

We all want to find that perfect abbreviation to fit into an elegant business card. Telephone numbers are always abbreviated, but it would help to know which variations are correct before using them. This article will explain all the best ones out there.

10 Correct Abbreviations for "Phone Number" (1)

The preferred abbreviations include “tel:” “cell:” and “mob:” These all work really well to show that you’re sharing a number. As long as the telephone number directly follows the colon, you’ll be able to use these efficiently on any business card format you want.

Tel:

“Tel:” is a great choice. It’s one of the best out there because it’s one of the most widely-recognized options. As time goes on, it is becoming less popular, but it still holds strong at the top right now.

Why is “tel:” becoming less popular? It mainly comes down to the usage of phones today. Most people don’t use “telephones” anymore as they are closely related to landline phones or home phone numbers.

Instead, most people use mobile or cell phones (depending on where you are in the world). These abbreviations tend to see more usage in today’s world because of how common they are.

Nevertheless, “tel:” still covers both a cell and a mobile number. “Telephone” is a blanket term that can be applied to almost any type of phone number.

It’s also a great abbreviation for the most formal of situations. If you have a particularly upper-class business, or you want to highlight the formality of your business card, it’s worth using this abbreviation.

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Cell:

“Cell:” is a great abbreviation, though many people don’t even consider it an abbreviation. It comes from the longer word “cellular” (from “cellular phone”). However, “cell phone” is much more common today, so it makes more sense to use it in this way.

Since “cell phone” is so popular, there is no ambiguity when it comes to using “cell:” If this is the abbreviation you want to use, it’s going to allow you to show US speakers that you are referring to your mobile number.

You might have noticed how we mentioned US speakers. It’s likely for natives outside of the US to understand what “cell:” means, but it’s not a common phrase. US English prefers “cell phone” while British English prefers “mobile phone.”

As long as you remember which is which, you should have an easier time understanding them both. Make sure you use the appropriate abbreviation based on where your business is based.

There isn’t much point in using “cell:” if you’re based in Britain. Likewise, “mob:” isn’t as good in the USA when “cell:” is already a suitable option.

  • Cell: (029) 203-3039

Mob:

“Mob:” is the abbreviation for “mobile.” This is a very common one that is seen in countries outside of the US. It’s particularly common in Britain, where “mobile phone” is a phrase used to refer to handheld devices.

The number is often included straight after the colon here, making it much easier to understand the point of the abbreviation.

You don’t have to worry about explaining it either. If you have given your business card to someone and it contains this abbreviation, you can be certain that they’ll understand what they’re looking at.

If they’re interested, they’ll call you. Now they have your mobile number; you can guarantee that they’ll give you a ring if they fancy it.

  • Mob: (+44)72939 105410

No.:

“No.:” is a great abbreviation that most people overlook. It works well to abbreviate “number.” It is a Latin abbreviation (for the term “numero”). While the “O” isn’t used in the English form, it’s still a very common abbreviation that many people recognize.

Some people might overlook using “no.:” themselves because they’re worried it’ll be misconstrued. After all, we don’t spell it “nomber.” Some believe that it would make more sense to use “Nu.:” but we don’t recommend this in any circ*mstance.

Formally, most people are going to recognize “No.:” with no issues. The period is required after the “O” to show that it’s an abbreviation.

Sure, some people might not be aware that “No.” actually comes from the Latin “numero” (meaning “number”), but that information isn’t required to understand the abbreviation.

As long as there is a contactable number after the abbreviation, you can guarantee that people will understand what you mean.

The “O” is important here as well, try and avoid writing a simple “N.:” While it can still be used to abbreviate “number,” it’s not something that most people are familiar or comfortable with.

  • No.: (202) 439-2033

Phone:

“Phone:” technically isn’t an abbreviation at all. However, it’s still a very popular choice when it comes to including your number on a business card. There is no ambiguity when it comes to using “phone.” It simply presents the number without much question.

Since it is not an abbreviation, there is no need for any periods to signify that it’s a shortened word. Technically, you could say that “phone” is a shortened form of “telephone,” but there aren’t many people that use “telephone” instead of the simpler “phone” today.

Both formally and informally, “phone” has become the most popular choice over “telephone.” In writing and speaking, you’ll find that “phone” is used to talk about someone’s device over “telephone.”

According to Google Ngram Viewer, “phone” is far more popular than “telephone.” In the past, “telephone” was more popular, but that is no longer the case today. It’s also unlikely that it’ll ever be the case again.

  • Phone: (+33)7382 3049548

#:

“#” is one of the simplest abbreviations you can use. There are no letters involved at all here. It is a simple hashtag that dictates that a number is present. Since it’s a symbol, it’s become a universal sign for a number.

This symbol will be recognized regardless of which country you’re from or the language you speak. You don’t have to worry about using “cell” or “mob” correctly. Instead, “#” simply shows that you are referring to your phone number.

If in doubt, this is by far the best choice for a business card. It is acceptable in most formal cases (as long as you’re indicating a phone number straight after it).

Since it’s commonly associated with numbers, there is no need to clarify the meaning behind your use of it. People will understand that you’ve given them your contact number without asking further questions about it.

  • #: 020 8288 9923

Ph.:

“Ph.:” goes back to the use of “phone.” However, this time it is abbreviated. “Ph.” takes the first two letters of the word and adds a period after them to show that they are abbreviated.

This isn’t as common as some of the other choices. Nevertheless, it’s still one that is seen in certain business cards. You should be able to use this one just fine if you want to show people what your number is.

As long as the phone number comes straight after it, you won’t have any trouble. If you change the positioning of the number or don’t include it at all, you’re more liable to cause a bit of confusion. Try not to do that!

  • Ph.: (+16)4938 204049

T:

“T:” is an example of a deeper abbreviation than “tel:” The two abbreviations are identical, but “T” only goes by the first letter, while “tel” uses the first three letters. It’s possible to use this before a phone number whenever you want to.

The only issue you might come across with this one is that it requires a phone number to be present after the colon. If a number is not present, it might be difficult to understand what the “T” might stand for.

Fortunately, it’s very rare to see “T:” used on a business card without a number straight after it. The likelihood is that if you see “T:” without a number, it’s probably a typo or an oversight rather than a deliberate design choice.

  • T: (414) 035-4920

C:

“C:” is a good one-letter option coming from the “cell” abbreviation. This time, “C:” is an abbreviation that only takes the first letter of “cell” (which is an abbreviation of “cellular” in itself).

It’s appropriate to use this on business cards that are directing people to call your cell phone number. If it gives them direct access to your mobile device rather than a landline, you’ll be better off using “C.”

Remember, “cell” is much more common in US English rather than in any other place. It’s better to use the “C:” abbreviation when you are operating your business within the US.

  • C: (212) 034-1297

M:

“M:” is another one-letter option. It’s almost identical to using “Mob:” and it works really well for that reason.

Like all of the other one-letter options, it requires more clarification. As long as the mobile number comes directly after the colon, you’ll be able to make it clear that you’re referring to a mobile number rather than anything else that might begin with the letter “M.”

Remember, “mobile phone” isn’t commonly used in the US. It’s much more suited outside of the US, so “M:” is probably better outside of the US as well.

  • M: (+44)7392 193295

10 Correct Abbreviations for "Phone Number" (2)

Martin Lassen

Martin holds a Master’s degree in Finance and International Business. He has six years of experience in professional communication with clients, executives, and colleagues. Furthermore, he has teaching experience from Aarhus University. Martin has been featured as an expert in communication and teaching on Forbes and Shopify. Read more about Martin here.

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10 Correct Abbreviations for "Phone Number" (2024)

FAQs

What is the abbreviation for phone number? ›

Tel. is a written abbreviation for telephone number.

What does O and M mean for phone numbers? ›

Email signatures should match the general look and feel of business stationary in the UCCS Brand Identity Standards – Helvetica Neue when possible (or otherwise sans serif) with bold names, plain contact info, optionally small bold lowercase letters to signify what kind of number or contact info (f = fax, o = office, m ...

What is the format of a valid phone number? ›

US Phone Number Format

The country code, followed by the three digit area code, the three digit exchange code, and the four digit line number. The US phone number format follows the North American Numbering Plan convention adopted by the US, Canada, and the other countries of the North America and Caribbean region.

What does P and C mean for phone numbers? ›

When I see or use a “P” ahead of a phone number, it means a landline. “C” ahead of a phone number means a cell number.

What is 611 called? ›

*611 or just 611 is the universal Customer Service number. Dialing this number works even if Service is disconnected on a particular Line and minutes do not count towards if you are still on a plan with limited minutes.

How do you write a +1 phone number? ›

Examples: +1 (123) 456-7890 or +1 123-456-7890 for the U.S. and +1 123 456-7890 for Quebec.

What does O and F mean for phone numbers? ›

The letter 'O' before a telephone number is for OFFICE. ' F' for FAX.

What does D stand for before a phone number? ›

From the perspective of a customer or client, a direct-dial number looks like any standard telephone number. However, DID is a virtual number that goes directly to an extension or location in your company. Think of it as a shortcut phone line.

What does M in front of a number mean? ›

Mega is a unit prefix in metric systems of units denoting a factor of one million (106 or 1000000). It has the unit symbol M. It was confirmed for use in the International System of Units (SI) in 1960.

What is a 7 digit phone number format? ›

In seven-digit dialing, only the central office code and the station number is dialed, indicating that the call destination is within the local area code. This was the standard in most of North America from the 1950s onward.

Is +1 the same as 011? ›

You can use the “+” symbol in place of “011” if dialing from a cell phone. The “+” sign is usually the same key as “0” on a smartphone's keypad. Some countries share a country code. For example, Canada, the United States, some places in the Caribbean, and Guam share “1” as a country code.

What is an invalid phone number format? ›

If you get the Invalid phone number message when sending a message, it means that the phone number you are using has an incorrect format. Phone number formatting follows international code regulations and varies between different countries.

What does a V mean in a phone number? ›

To help you identify a potentially fraudulent call, we've enhanced our Caller ID feature. Now, you'll see the word Verified (or the letter V) appear any time the caller's telephone provider has confirmed that the call is coming from a legitimate telephone number.

What does C in front of number mean? ›

Circa is a word of Latin origin meaning 'approximately'.

What do the letters in phone numbers mean? ›

The exchange names did more than provide a phone number. They identified the area of the city where you lived. And, if you have ever wondered why telephones have letter designations it is a leftover from the days of alphanumeric phone numbers, when people needed to know which letters were covered by which numbers.

What is the +1 called in a phone number? ›

“1,” of course, is the country code for the United States.

What does +1 mean for a phone number? ›

+1 means the country code for the USA, Canada, some Caribbean nations and US colonies in the Pacific. The plus key symbolises that the international calling code be used should a caller be from another country.

What are the 3 digits before a phone number? ›

The first three digits are the area code, which refers to a broad geographic region. The next three digits denote the prefix, which typically corresponds to a smaller area within the area code's region. With four remaining digits every local exchange has 10,000 possible unique numbers (from 0000 to 9999).

How do I write my US phone number? ›

The standard American telephone number is ten digits, such as (555) 555-1234. The first three digits are the "area code," which, in the past, indicated in what part of the country the phone was located.

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