Calls + SMS

Virtual numbers · United Kingdom

Get a Southampton Phone Number (023)

DialAnyone offers Southampton phone numbers on the 023 dialling code that work from anywhere in the world with no SIM card. Geographic 023 numbers are voice-only; for SMS and verification codes choose a UK mobile number instead, which DialAnyone also offers. The carrier asks for an ID copy, proof of address and a UK address; DialAnyone verifies your identity once as well.

After carrier document approval · No contract

At a glance

023

City
Southampton
Dialling code (international)
+4423
Country calling code
+44

Last verified 2026-09-09

Key facts

CitySouthampton
Dialling code (national)023
Dialling code (international)+4423
Country calling code+44
Voice callsYes
SMS / text messagesNo — UK mobile numbers only
SMS verification codes (OTP)No — use a UK mobile number
ActivationAfter carrier document approval
SIM requiredNo

How do you dial a Southampton number?

Inside the UK, dial 023 followed by the local number. From abroad, drop the leading zero and dial +4423 followed by the local number — so a caller in the US dials 011 4423 and then the rest. DialAnyone's rate deck carries 9 billable routing prefixes under this code.

Do I need to live in Southampton to get the number?

No. The number is virtual — it lives in your account rather than on a SIM, so you can hold and use it from any country. The UK carrier does ask for documents before activation: government-issued id copy, proof of address (utility bill or invoice), an address in the united kingdom. DialAnyone also verifies your identity once, online.

What you need for a Southampton number

Identity verification with DialAnyone: Required once per account. Online, with a government photo ID and a selfie, a few minutes. Government-issued ID copy: Required by the carrier Proof of address (utility bill or invoice): Required by the carrier Address: An address in the United Kingdom Business documents: Only if you register as a business: Company Website URL (Business Use Only) Activates after the carrier approves your documents, usually within a few business days.

Can a Southampton number receive SMS verification codes?

No. Geographic 023 numbers are voice-only. Choose a United Kingdom mobile number for SMS; United Kingdom local and national and toll-free numbers are voice-only. A UK mobile number from DialAnyone receives texts and most verification codes, and the same carrier documents apply.

Frequently Asked Questions

What is the dialling code for Southampton?
Southampton uses 023 within the UK, written +4423 in international format.
Can I get a Southampton number from outside the UK?
Yes. There is no residency requirement, but the UK carrier asks for an ID copy, proof of address and a UK address before the number goes live, and DialAnyone verifies your identity once online.
Does a Southampton number receive texts?
Not on a 023 number — geographic UK numbers are voice-only. Choose a UK mobile number for SMS and verification codes.
How much does a Southampton number cost?
A small monthly fee for the number plus per-minute and per-message rates from your credit balance. No contract. Signing up is free and no credit card is required.

Get your Southampton number

Activates after the carrier approves your documents, usually within a few business days. Works from anywhere, no SIM.

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