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The Abergavenny 01873 Area Code

Abergavenny Dialling Code

The 01873 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Abergavenny area.

The local telephone numbers within the 01873 are 6 digits long.

The correct format in which to write a telephone number from the Abergavenny area code is (01873) [x][x][x][x][x][x].

Area Codes Neighbouring 01873

01981 – Wormbridge 01874 – Brecon 01497 – Hay-on-Wye 01291 – Chepstow 01495 – Pontypool

Where is the 01873 Area Code?

The Abergavenny 01873 dialling code intersects the counties of Gwent, Powys and Herefordshire in the Wales and West Midlands Regions of the UK.

When do I need to use the 01873 Abergavenny dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01873 Abergavenny 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 01873 dialling code.

Phoning the 01873 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 (1873).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441873
Europe00441873
Australia0011441873

Find the Exchange Location for a UK Landline

Map showing the location of the 01873 Abergavenny Area Code

picture showing the location of the Abergavenny area code
location of the Abergavenny area code
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Origins of the 01873 Abergavenny 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 0873.

the historic mnemonic code for the 01873 area was US3. The first two characters are taken from the letters U and S in USk. On an old rotary dial telephone this was entered by dialling the numbers 8, 7 and 3.

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

Map of the 01873 Abergavenny dialling Code Area

The shaded area on the map represent the estimated extent of the 01873 Abergavenny phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01873 area. Click on an icon for more details

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

Towns and Villages within the Abergavenny 01873 dialling Code

Abergavenny
Crickhowell

Known Telephone Exchanges within the Abergavenny 01873 dialling Code

ABERGAVENNY ATE (SWAG)
CRICKHOWELL ATE (SWCOO)
GILWERN ATE (SWGAR)
LONGTOWN CASTLE UAX (SWLCA)
CRUCORNEY UAX (SWLCY)
GOBION UAX (SWLKX)
NANTYDERRY ATE (SWNTD)
CROSS ASH ATE (SWZKA)

Understanding Telephone Exchange Codes

Each telephone exchange in the 01873 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 SW stands for South Wales in the telecom directorate region of the Wales & West.

Exchanges for 01873 – sorted by number capacity

Exchange: BT, Abergavenny (Gwent)
Code: SWAG 30,000 numbers
    • Range: 01873 300 000 to 01873 309 999
    • Range: 01873 730 000 to 01873 739 999
    • Range: 01873 850 000 to 01873 859 999
Exchange: BT, Crucorney (Gwent)
Code: SWLCY 10,000 numbers
    • Range: 01873 890 000 to 01873 899 999
Exchange: BT, Nantyderry (Gwent)
Code: SWNTD 10,000 numbers
    • Range: 01873 880 000 to 01873 889 999
Exchange: BT, Gobion (Gwent)
Code: SWLKX 10,000 numbers
    • Range: 01873 840 000 to 01873 849 999
Exchange: BT, Gilwern (Gwent)
Code: SWGAR 10,000 numbers
    • Range: 01873 830 000 to 01873 839 999
Exchange: BT, Crickhowell (Powys)
Code: SWCOO 10,000 numbers
    • Range: 01873 810 000 to 01873 819 999