Geographic numbers

01903 numbers in Worthing

01903 is the area code for Worthing. Ofcom’s numbering data lists 388 number ranges starting 01903, allocated to 104 providers. The largest holder is BT, with 9% of them.

Number type
Geographic numbers
01 / 02
Area
Worthing
0 area codes
Ofcom ranges
388
218 allocated
First allocated
1994
104 providers

Who were 01903 ranges given to?

Providers Ofcom allocated these number ranges to.

  • Not allocated to a provider170 ranges
  • BT33 ranges
  • Gamma Telecom Holdings Limited16 ranges
  • TalkTalk Communications Limited12 ranges
  • Vodafone Ltd (C&W)10 ranges
  • Sky UK Limited10 ranges
  • Magrathea Telecommunications Limited7 ranges
  • Colt Technology Services7 ranges
  • Virgin Media Limited6 ranges
  • GCI Network Solutions Limited4 ranges
  • Voxbone SA4 ranges
  • Orange Business Holdings UK Limited4 ranges

+ 93 more

Range status

How Ofcom lists the ranges starting 01903.

Allocated · 218 Protected · 166 Free · 3 Quarantined · 1

Allocations by year

19942026

What do these statuses mean?

Explore by the next digit

Each block below starts 01903. Pick one to narrow it down.

What a 01903 number tells you

What it is

Ordinary landline numbers tied to a place. The area code tells you which dialling area the number was issued for – 0161 is Manchester, 020 is London, 01388 is Bishop Auckland.

What it costs

Charged as a normal UK call and usually included in landline and mobile allowances.

Watch out for

A local-looking number feels familiar, which is exactly why scammers spoof them. A local area code is not proof the caller is local.

The range holder isn’t necessarily the caller. Ofcom gives numbers to providers in blocks, and people and businesses can take their number with them when they switch. To find out who actually called, check the full number.
Questions

01903 numbers: common questions

Who owns 01903 numbers?

Ofcom allocated the ranges starting 01903 to BT, Gamma Telecom Holdings Limited, TalkTalk Communications Limited and others. Numbers can be moved between providers, so this shows who the range was originally given to – not who is using a particular number today.

How do I call a 01903 number from abroad?

Replace the leading 0 with +44. For example, a number starting 01903 becomes +44 1903 followed by the rest of the number.

How much does it cost to call a 01903 number?

Charged as a normal UK call and usually included in landline and mobile allowances.

Is a call from a 01903 number a scam?

A local-looking number feels familiar, which is exactly why scammers spoof them. A local area code is not proof the caller is local. Check the full number on Who’s Calling to see if it belongs to a verified business and what other people have reported.

Did a 01903 number call you?

Check the full number to see if it belongs to a verified UK business and what other people have reported.

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