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The Worthing 01903 Area Code

Worthing Dialling Code

The 01903 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Worthing area.

The local telephone numbers within the 01903 are 6 digits long.

The correct format in which to write a telephone number from the Worthing area code is (01903) [x][x][x][x][x][x].

Area Codes Neighbouring 01903

01243 – Chichester 01273 – Brighton 01403 – Horsham 01798 – Pulborough

Where is the 01903 Area Code?

The Worthing 01903 dialling code is situated in the county of West Sussex in the South East Region of the UK.

When do I need to use the 01903 Worthing dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01903 Worthing dialling code area. If you are calling a local number within the same area code with a landline telephone you do not need to use the 01903 dialling code.

Phoning the 01903 Dialling Code from Outside of the UK

If you are calling from outside of the UK. You will need to add the code for dialling internationally. This varies country to country, followed by the UK country code (44) followed by the area code without the initial zero (1903).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441903
Europe00441903
Australia0011441903

Find the Exchange Location for a UK Landline

Map showing the location of the 01903 Worthing Area Code

picture showing the location of the Worthing area code
location of the Worthing area code
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Origins of the 01903 Worthing Area Code

Before the 16th April 1995 known as PhONEday which changed telephone area codes by inserting a 1 at the beginning. The area code was 0903.

the historic mnemonic code for the 01903 area was WO3. The first two characters are taken from the letters W and O in WOrthing. On an old rotary dial telephone this was entered by dialling the numbers 9, 0 and 3.

picture showing an old rotary dial for the Worthing area code
An old rotary dial for the Worthing area code.

Map of the 01903 Worthing dialling Code Area

The shaded area on the map represent the estimated extent of the 01903 Worthing phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01903 area. Click on an icon for more details

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Map of the Worthing area code
Map of the Worthing area code and surrounding areas

Towns and Villages within the Worthing 01903 dialling Code

Arundel
Ashington (Horsham)
Clapham (Arun)
Findon
Ford
Littlehampton
Shoreham-by-Sea
Steyning
Storrington
Upper Beeding
Worthing

Known Telephone Exchanges within the Worthing 01903 dialling Code

LANCING ATE (SDLNCNG)
WORTHING ATE (SDWCNTR)
WORTHING SWANDEAN AMC (SDWSWND)
WORTHING WEST ATE (SDWWST)
FINDON UAX (SDFNDN)
LITTLEHAMPTON ATE (SDLTTLH)
PATCHING UAX (SDPTCHN)
ARUNDEL ATE (SDRNDL)
RUSTINGTON ATE (SDRSTNG)
ASHINGTON ATE (SDSHNGT)
STORRINGTON ATE (SDSTRRN)
STEYNING ATE (SDSTYNN)

Understanding Telephone Exchange Codes

Each telephone exchange in the 01903 area code is identified by a unique internal code. These codes were used by engineers to manage the telecom network. Here's what the common abbreviations mean:

  • ATE: Automatic Telephone Exchange (standard town or city exchange)
  • RCU: Remote Concentrator Unit (small linked unit)
  • UAX: Unit Automatic Exchange (small rural village exchange)

Codes that start with SD stands for South Downs in the telecom directorate region of the Southern Home Counties.

Exchanges for 01903 – sorted by number capacity

Exchange: BT, Worthing Central (Sussex - West)
Code: SDWCNTR 41,800 numbers
    • Range: 01903 200 000 to 01903 209 999
    • Range: 01903 220 000 to 01903 229 999
    • Range: 01903 270 000 to 01903 270 999
    • Range: 01903 275 000 to 01903 275 999
    • Range: 01903 280 000 to 01903 289 999
    • Range: 01903 540 000 to 01903 542 099
    • Range: 01903 542 700 to 01903 542 799
    • Range: 01903 544 200 to 01903 544 299
    • Range: 01903 544 500 to 01903 544 599
    • Range: 01903 545 200 to 01903 545 299
    • Range: 01903 545 600 to 01903 545 699
    • Range: 01903 547 000 to 01903 547 099
    • Range: 01903 547 200 to 01903 547 299
    • Range: 01903 703 000 to 01903 704 999
    • Range: 01903 820 000 to 01903 820 999
    • Range: 01903 825 000 to 01903 826 999
    • Range: 01903 832 000 to 01903 832 999
    • Range: 01903 836 000 to 01903 836 999
Exchange: BT, Littlehampton (Sussex - West)
Code: SDLTTLH 32,600 numbers
    • Range: 01903 278 000 to 01903 278 999
    • Range: 01903 542 800 to 01903 542 899
    • Range: 01903 543 400 to 01903 543 499
    • Range: 01903 545 500 to 01903 545 599
    • Range: 01903 546 000 to 01903 546 999
    • Range: 01903 547 100 to 01903 547 199
    • Range: 01903 547 400 to 01903 547 499
    • Range: 01903 547 900 to 01903 547 999
    • Range: 01903 710 000 to 01903 739 999
Exchange: BT, Worthing West (Sussex - West)
Code: SDWWST 25,200 numbers
    • Range: 01903 240 000 to 01903 249 999
    • Range: 01903 500 000 to 01903 509 999
    • Range: 01903 542 100 to 01903 542 199
    • Range: 01903 543 000 to 01903 543 099
    • Range: 01903 698 000 to 01903 698 999
    • Range: 01903 702 000 to 01903 702 999
    • Range: 01903 705 000 to 01903 705 999
    • Range: 01903 707 000 to 01903 708 999
Exchange: BT, Rustington (Sussex - West)
Code: SDRSTNG 24,300 numbers
    • Range: 01903 542 900 to 01903 542 999
    • Range: 01903 543 100 to 01903 543 199
    • Range: 01903 547 800 to 01903 547 899
    • Range: 01903 770 000 to 01903 789 999
    • Range: 01903 850 000 to 01903 850 999
    • Range: 01903 856 000 to 01903 858 999
Exchange: BT, Lancing (Sussex - West)
Code: SDLNCNG 24,300 numbers
    • Range: 01903 542 500 to 01903 542 599
    • Range: 01903 543 200 to 01903 543 299
    • Range: 01903 545 800 to 01903 545 899
    • Range: 01903 750 000 to 01903 769 999
    • Range: 01903 851 000 to 01903 851 999
    • Range: 01903 854 000 to 01903 855 999
    • Range: 01903 875 000 to 01903 875 999
Exchange: BT, Worthing Swandean (West Sussex)
Code: SDWSWND 18,200 numbers
    • Range: 01903 260 000 to 01903 269 999
    • Range: 01903 271 000 to 01903 271 999
    • Range: 01903 276 000 to 01903 276 999
    • Range: 01903 545 100 to 01903 545 199
    • Range: 01903 545 400 to 01903 545 499
    • Range: 01903 690 000 to 01903 690 999
    • Range: 01903 828 000 to 01903 828 999
    • Range: 01903 830 000 to 01903 830 999
    • Range: 01903 833 000 to 01903 833 999
    • Range: 01903 837 000 to 01903 837 999
    • Range: 01903 839 000 to 01903 839 999
Exchange: BT, Steyning (West Sussex)
Code: SDSTYNN 11,300 numbers
    • Range: 01903 542 400 to 01903 542 499
    • Range: 01903 545 000 to 01903 545 099
    • Range: 01903 547 500 to 01903 547 599
    • Range: 01903 810 000 to 01903 819 999
    • Range: 01903 879 000 to 01903 879 999
Exchange: BT, Storrington (West Sussex)
Code: SDSTRRN 10,300 numbers
    • Range: 01903 542 300 to 01903 542 399
    • Range: 01903 543 300 to 01903 543 399
    • Range: 01903 547 300 to 01903 547 399
    • Range: 01903 740 000 to 01903 749 999
Exchange: BT, West Chiltington (West Sussex)
Code: SDWSTCH 10,000 numbers
    • Range: 01903 810 000 to 01903 819 999
Exchange: BT, Ashington (south Downs) (West Sussex)
Code: SDSHNGT 10,000 numbers
    • Range: 01903 890 000 to 01903 899 999
Exchange: BT, Arundel (West Sussex)
Code: SDRNDL 10,000 numbers
    • Range: 01903 880 000 to 01903 889 999
Exchange: BT, Findon (West Sussex)
Code: SDFNDN 3,100 numbers
    • Range: 01903 544 900 to 01903 544 999
    • Range: 01903 872 000 to 01903 872 999
    • Range: 01903 874 000 to 01903 874 999
    • Range: 01903 877 000 to 01903 877 999
Exchange: BT, Patching (West Sussex)
Code: SDPTCHN 2,000 numbers
    • Range: 01903 871 000 to 01903 871 999
    • Range: 01903 878 000 to 01903 878 999