| Aberfeldy Area Code | (0)1887 |
| Abergavenny Area Code | (0)1873 |
| Aberystwyth Area Code | (0)1970 |
| Abingdon Area Code | (0)1235 |
| Abington Area Code | (0)1864 |
| Aboyne / Ballater Area Code | (0)1339 |
| Aldershot Area Code | (0)1252 |
| Alford (Aberdeen) / Strathdon Area Code | (0)1975 |
| Alford (Lincs) / Louth / Spilsby Area Code | (0)1507 |
| Alloa Area Code | (0)1259 |
| Alnwick Area Code | (0)1665 |
| Alton Area Code | (0)1420 |
| Amesbury Area Code | (0)1980 |
| Ammanford Area Code | (0)1269 |
| Andover Area Code | (0)1264 |
| Appleby Area Code | (0)17683 |
| Arbroath Area Code | (0)1241 |
| Ardgay Area Code | (0)1863 |
| Ardrossan Area Code | (0)1294 |
| Arrochar Area Code | (0)1301 |
| Ashbourne Area Code | (0)1335 |
| Ashford (Kent) Area Code | (0)1233 |
| Axminster Area Code | (0)1297 |
| Aylesbury Area Code | (0)1296 |
| Ayr Area Code | (0)1292 |
| Ayton / Coldstream Area Code | (0)1890 |
| Bala Area Code | (0)1678 |
| Ballachulish Area Code | (0)1855 |
| Ballindalloch Area Code | (0)1807 |
| Bamburgh Area Code | (0)1668 |
| Banbury Area Code | (0)1295 |
| Banchory Area Code | (0)1330 |
| Banff Area Code | (0)1261 |
| Bangor (Gwynedd) Area Code | (0)1248 |
| Barmouth Area Code | (0)1341 |
| Barnard Castle Area Code | (0)1833 |
| Barnsley Area Code | (0)1226 |
| Barnstaple Area Code | (0)1271 |
| Barrow-in Furness / Millom Area Code | (0)1229 |
| Barry Area Code | (0)1446 |
| Basildon Area Code | (0)1268 |
| Basingstoke Area Code | (0)1256 |
| Bathgate Area Code | (0)1506 |
| Bedale Area Code | (0)1677 |
| Bedford Area Code | (0)1234 |
| Bellingham / Haltwhistle / Hexham Area Code | (0)1434 |
| Berwick-on-Tweed Area Code | (0)1289 |
| Betws-y-Coed Area Code | (0)1690 |
| Bewdley Area Code | (0)1299 |
| Bicester Area Code | (0)1869 |
| Bideford Area Code | (0)1237 |
| Biggar Area Code | (0)1899 |
| Bishop Auckland / Stanhope Area Code | (0)1388 |
| Bishops Castle Area Code | (0)1588 |
| Bishops Stortford Area Code | (0)1279 |
| Bishops Waltham Area Code | (0)1489 |
| Blackburn Area Code | (0)1254 |
| Blackpool Area Code | (0)1253 |
| Blairgowrie Area Code | (0)1250 |
| Blandford Area Code | (0)1258 |
| Bodmin Area Code | (0)1208 |
| Bolton Area Code | (0)1204 |
| Boroughbridge / Harrogate Area Code | (0)1423 |
| Boston Area Code | (0)1205 |
| Bourne Area Code | (0)1778 |
| Bournemouth Area Code | (0)1202 |
| Bracknell Area Code | (0)1344 |
| Bradford Area Code | (0)1274 |
| Braintree Area Code | (0)1376 |
| Brechin Area Code | (0)1356 |
| Brecon Area Code | (0)1874 |
| Brentwood Area Code | (0)1277 |
| Bridgend Area Code | (0)1656 |
| Bridgnorth Area Code | (0)1746 |
| Bridgwater Area Code | (0)1278 |
| Bridlington Area Code | (0)1262 |
| Bridport Area Code | (0)1308 |
| Brigg Area Code | (0)1652 |
| Brighton Area Code | (0)1273 |
| Bromyard Area Code | (0)1886 |
| Brooke Area Code | (0)1508 |
| Buckingham Area Code | (0)1280 |
| Bude Area Code | (0)1288 |
| Budleigh Salterton Area Code | (0)1395 |
| Builth Wells Area Code | (0)1982 |
| Bungay Area Code | (0)1986 |
| Burnley Area Code | (0)1282 |
| Burton-on-Trent Area Code | (0)1283 |
| Bury-St-Edmunds Area Code | (0)1284 |
| Buxton Area Code | (0)1298 |
| Caernarvon Area Code | (0)1286 |
| Callander Area Code | (0)1877 |
| Camberley Area Code | (0)1276 |
| Cambridge Area Code | (0)1223 |
| Camelford Area Code | (0)1840 |
| Campbeltown Area Code | (0)1586 |
| Cannock Area Code | (0)1543 |
| Canterbury Area Code | (0)1227 |
| Cardigan Area Code | (0)1239 |
| Carlisle Area Code | (0)1228 |
| Carmarthen Area Code | (0)1267 |
| Carradale Area Code | (0)1583 |
| Castle Douglas Area Code | (0)1556 |
| Castlebay Area Code | (0)1871 |
| Caterham Area Code | (0)1883 |
| Cemmaes Road Area Code | (0)1650 |
| Cerne Abbas Area Code | (0)1300 |
| Chard Area Code | (0)1460 |
| Chatteris Area Code | (0)1354 |
| Chelmsford Area Code | (0)1245 |
| Cheltenham Area Code | (0)1242 |
| Chepstow Area Code | (0)1291 |
| Chester Area Code | (0)1244 |
| Chesterfield Area Code | (0)1246 |
| Chichester Area Code | (0)1243 |
| Chippenham Area Code | (0)1249 |
| Chipping Norton Area Code | (0)1608 |
| Chipping Sodbury Area Code | (0)1454 |
| Church Stretton Area Code | (0)1694 |
| Cirencester Area Code | (0)1285 |
| Clacton-on-Sea Area Code | (0)1255 |
| Clevedon Area Code | (0)1275 |
| Clitheroe Area Code | (0)1200 |
| Clopton Area Code | (0)1832 |
| Clynderwen / Haverfordwest Area Code | (0)1437 |
| Coalville Area Code | (0)1530 |
| Coatbridge Area Code | (0)1236 |
| Colchester Area Code | (0)1206 |
| Coleshill Area Code | (0)1675 |
| Colonsay Area Code | (0)1951 |
| Colwyn Bay Area Code | (0)1492 |
| Congleton Area Code | (0)1260 |
| Consett Area Code | (0)1207 |
| Coppull Area Code | (0)1257 |
| Corwen Area Code | (0)1490 |
| Coupar Angus Area Code | (0)1828 |
| Craigellachie Area Code | (0)1340 |
| Cranbrook Area Code | (0)1580 |
| Crawley Area Code | (0)1293 |
| Crediton Area Code | (0)1363 |
| Crewe Area Code | (0)1270 |
| Crieff Area Code | (0)1764 |
| Cromer Area Code | (0)1263 |
| Cumnock Area Code | (0)1290 |
| Dalmally Area Code | (0)1838 |
| Darlington Area Code | (0)1325 |
| Dartford Area Code | (0)1322 |
| Daventry Area Code | (0)1327 |
| Dereham Area Code | (0)1362 |
| Devizes Area Code | (0)1380 |
| Dingwall Area Code | (0)1349 |
| Diss Area Code | (0)1379 |
| Doncaster Area Code | (0)1302 |
| Dorchester Area Code | (0)1305 |
| Dorking Area Code | (0)1306 |
| Dover Area Code | (0)1304 |
| Downham Market Area Code | (0)1366 |
| Driffield Area Code | (0)1377 |
| Dudley Area Code | (0)1384 |
| Dulverton Area Code | (0)1398 |
| Dumbarton Area Code | (0)1389 |
| Dumfries Area Code | (0)1387 |
| Dunbar Area Code | (0)1368 |
| Dunfermline Area Code | (0)1383 |
| Dunkeld Area Code | (0)1350 |
| Dunoon Area Code | (0)1369 |
| Duns Area Code | (0)1361 |
| Dursley Area Code | (0)1453 |
| Easingwold Area Code | (0)1347 |
| East Grinstead Area Code | (0)1342 |
| East Kilbride Area Code | (0)1355 |
| Eastbourne Area Code | (0)1323 |
| Ebbsfleet Area Code | (0)1987 |
| Elgin Area Code | (0)1343 |
| Ellon Area Code | (0)1358 |
| Ely Area Code | (0)1353 |
| Esher Area Code | (0)1372 |
| Evesham Area Code | (0)1386 |
| Fakenham Area Code | (0)1328 |
| Falkirk Area Code | (0)1324 |
| Falmouth Area Code | (0)1326 |
| Fareham Area Code | (0)1329 |
| Faringdon Area Code | (0)1367 |
| Felixstowe Area Code | (0)1394 |
| Fishguard Area Code | (0)1348 |
| Folkestone Area Code | (0)1303 |
| Forfar Area Code | (0)1307 |
| Forres Area Code | (0)1309 |
| Fort Augustus Area Code | (0)1320 |
| Fort William Area Code | (0)1397 |
| Fortrose Area Code | (0)1381 |
| Fraserburgh Area Code | (0)1346 |
| Frome Area Code | (0)1373 |
| Gainsborough Area Code | (0)1427 |
| Gairloch Area Code | (0)1445 |
| Galashiels Area Code | (0)1896 |
| Garstang Area Code | (0)1995 |
| Girvan Area Code | (0)1465 |
| Glastonbury Area Code | (0)1458 |
| Glenborrodale Area Code | (0)1972 |
| Glenurquhart Area Code | (0)1456 |
| Glossop Area Code | (0)1457 |
| Gloucester Area Code | (0)1452 |
| Golspie Area Code | (0)1408 |
| Goole Area Code | (0)1405 |
| Gosforth Area Code | (0)19467 |
| Grange-Over-Sands Area Code | (0)15395 |
| Grantham Area Code | (0)1476 |
| Grantown-on-Spey Area Code | (0)1479 |
| Gravesend Area Code | (0)1474 |
| Grays Thurrock Area Code | (0)1375 |
| Great Bernera / Stornoway Area Code | (0)1851 |
| Great Dunmow Area Code | (0)1371 |
| Great Yarmouth Area Code | (0)1493 |
| Greenock Area Code | (0)1475 |
| Gretna Area Code | (0)1461 |
| Grimsby Area Code | (0)1472 |
| Guernsey Area Code | (0)1481 |
| Guildford Area Code | (0)1483 |
| Guisborough Area Code | (0)1287 |
| Guiseley Area Code | (0)1943 |
| Halifax Area Code | (0)1422 |
| Harris Area Code | (0)1859 |
| Harthill Area Code | (0)1501 |
| Hartlepool Area Code | (0)1429 |
| Haslemere Area Code | (0)1428 |
| Hastings Area Code | (0)1424 |
| Hathersage Area Code | (0)1433 |
| Haverhill Area Code | (0)1440 |
| Hawick Area Code | (0)1450 |
| Hawkshead Area Code | (0)15394 |
| Hay-on-Wye Area Code | (0)1497 |
| Haywards Heath Area Code | (0)1444 |
| Heathfield Area Code | (0)1435 |
| Helensburgh Area Code | (0)1436 |
| Helmsdale Area Code | (0)1431 |
| Helmsley Area Code | (0)1439 |
| Hemel Hempstead Area Code | (0)1442 |
| Henley-on-Thames Area Code | (0)1491 |
| Hereford Area Code | (0)1432 |
| High Wycombe Area Code | (0)1494 |
| Hinckley Area Code | (0)1455 |
| Hitchin Area Code | (0)1462 |
| Holbeach Area Code | (0)1406 |
| Holmes Chapel Area Code | (0)1477 |
| Holsworthy Area Code | (0)1409 |
| Holyhead Area Code | (0)1407 |
| Honington Area Code | (0)1400 |
| Honiton Area Code | (0)1404 |
| Hornby Area Code | (0)15242 |
| Hornsea / Patrington Area Code | (0)1964 |
| Horsham Area Code | (0)1403 |
| Huddersfield Area Code | (0)1484 |
| Hull Area Code | (0)1482 |
| Hungerford Area Code | (0)1488 |
| Hunstanton Area Code | (0)1485 |
| Huntingdon Area Code | (0)1480 |
| Insch Area Code | (0)1464 |
| Inveraray Area Code | (0)1499 |
| Inverness Area Code | (0)1463 |
| Inverurie Area Code | (0)1467 |
| Ipstones Area Code | (0)1538 |
| Ipswich Area Code | (0)1473 |
| Isle of Arran Area Code | (0)1770 |
| Isle of Benbecula Area Code | (0)1870 |
| Isle of Man Area Code | (0)1624 |
| Isle of Mull – Craignure Area Code | (0)1680 |
| Isle of Mull – Fionnphort Area Code | (0)1681 |
| Isle of Mull – Tobermory Area Code | (0)1688 |
| Isle of Skye – Broadford Area Code | (0)1471 |
| Isle of Skye – Edinbane Area Code | (0)1470 |
| Isle of Skye – Portree Area Code | (0)1478 |
| Isle of Wight Area Code | (0)1983 |
| Isles of Scilly Area Code | (0)1720 |
| Jersey Area Code | (0)1534 |
| Johnstone Area Code | (0)1505 |
| Keighley Area Code | (0)1535 |
| Keith Area Code | (0)1542 |
| Kelso Area Code | (0)1573 |
| Kendal Area Code | (0)1539 |
| Keswick Area Code | (0)17687 |
| Kettering Area Code | (0)1536 |
| Kidderminster Area Code | (0)1562 |
| Kilchrenan Area Code | (0)1866 |
| Killearn Area Code | (0)1360 |
| Killin Area Code | (0)1567 |
| Killingholme Area Code | (0)1469 |
| Kilmarnock Area Code | (0)1563 |
| Kilmelford Area Code | (0)1852 |
| Kings Lynn Area Code | (0)1553 |
| Kingsbridge Area Code | (0)1548 |
| Kington Area Code | (0)1544 |
| Kingussie Area Code | (0)1540 |
| Kinloch Rannoch Area Code | (0)1882 |
| Kinross Area Code | (0)1577 |
| Kinrossie Area Code | (0)1821 |
| Kirkcaldy Area Code | (0)1592 |
| Kirkcudbright Area Code | (0)1557 |
| Kirkwhelpington Area Code | (0)1830 |
| Kirriemuir Area Code | (0)1575 |
| Knighton Area Code | (0)1547 |
| Knutsford Area Code | (0)1565 |
| Kyle Area Code | (0)1599 |
| Ladybank Area Code | (0)1337 |
| Laggan Area Code | (0)1528 |
| Lairg Area Code | (0)1549 |
| Lampeter Area Code | (0)1570 |
| Lanark Area Code | (0)1555 |
| Lancaster Area Code | (0)1524 |
| Langholm Area Code | (0)13873 |
| Lapworth Area Code | (0)1564 |
| Lauder Area Code | (0)1578 |
| Launceston Area Code | (0)1566 |
| Laurencekirk Area Code | (0)1561 |
| Lea Valley Area Code | (0)1992 |
| Ledbury Area Code | (0)1531 |
| Leighton Buzzard Area Code | (0)1525 |
| Leominster Area Code | (0)1568 |
| Lerwick / Foula / Fair Isle Area Code | (0)1595 |
| Leyburn Area Code | (0)1969 |
| Liskeard Area Code | (0)1579 |
| Llanarth Area Code | (0)1545 |
| Llandeilo Area Code | (0)1558 |
| Llandovery Area Code | (0)1550 |
| Llandrindod Wells Area Code | (0)1597 |
| Llandysul Area Code | (0)1559 |
| Llanelli Area Code | (0)1554 |
| Llanidloes / Newtown Area Code | (0)1686 |
| Llanon Area Code | (0)1974 |
| Llanwrtyd Wells Area Code | (0)1591 |
| Lochboisdale Area Code | (0)1878 |
| Lochcarron Area Code | (0)1520 |
| Lochgilphead Area Code | (0)1546 |
| Lochinver Area Code | (0)1571 |
| Lochmaddy Area Code | (0)1876 |
| Lockerbie Area Code | (0)1576 |
| Looe Area Code | (0)1503 |
| Loughborough Area Code | (0)1509 |
| Lowestoft Area Code | (0)1502 |
| Ludlow Area Code | (0)1584 |
| Luton Area Code | (0)1582 |
| Lybster Area Code | (0)1593 |
| Lydney Area Code | (0)1594 |
| Lymington Area Code | (0)1590 |
| Lynton Area Code | (0)1598 |
| Macclesfield Area Code | (0)1625 |
| Machynlleth Area Code | (0)1654 |
| Madingley Area Code | (0)1954 |
| Maidenhead Area Code | (0)1628 |
| Maidstone Area Code | (0)1622 |
| Maldon Area Code | (0)1621 |
| Mallaig Area Code | (0)1687 |
| Malton Area Code | (0)1653 |
| Malvern Area Code | (0)1684 |
| Mansfield Area Code | (0)1623 |
| Market Drayton Area Code | (0)1630 |
| Market Harborough Area Code | (0)1858 |
| Market Rasen Area Code | (0)1673 |
| Market Weighton / North Cave Area Code | (0)1430 |
| Marlborough Area Code | (0)1672 |
| Martin Area Code | (0)1526 |
| Matlock Area Code | (0)1629 |
| Maud Area Code | (0)1771 |
| Maybole Area Code | (0)1655 |
| Medway Area Code | (0)1634 |
| Melton Mowbray Area Code | (0)1664 |
| Meriden Area Code | (0)1676 |
| Merthyr Tydfil Area Code | (0)1685 |
| Mid Yell Area Code | (0)1957 |
| Middlesbrough Area Code | (0)1642 |
| Milford Haven Area Code | (0)1646 |
| Milton Keynes Area Code | (0)1908 |
| Minehead Area Code | (0)1643 |
| Moffat Area Code | (0)1683 |
| Mold Area Code | (0)1352 |
| Monmouth Area Code | (0)1600 |
| Montrose Area Code | (0)1674 |
| Moretonhampstead Area Code | (0)1647 |
| Morpeth Area Code | (0)1670 |
| Motherwell Area Code | (0)1698 |
| Nairn Area Code | (0)1667 |
| Narberth Area Code | (0)1834 |
| Neath Area Code | (0)1639 |
| New Galloway Area Code | (0)1644 |
| New Luce Area Code | (0)1581 |
| New Mills Area Code | (0)1663 |
| Newark Area Code | (0)1636 |
| Newbury Area Code | (0)1635 |
| Newmarket Area Code | (0)1638 |
| Newport Area Code | (0)1633 |
| Newton Abbot Area Code | (0)1626 |
| Newton Stewart Area Code | (0)1671 |
| North Berwick Area Code | (0)1620 |
| North Walsham Area Code | (0)1692 |
| Northallerton Area Code | (0)1609 |
| Northampton Area Code | (0)1604 |
| Northern Ireland Area Code | (0)28 |
| Northwich Area Code | (0)1606 |
| Oakham Area Code | (0)1572 |
| Oban Area Code | (0)1631 |
| Okehampton Area Code | (0)1837 |
| Oldmeldrum Area Code | (0)1651 |
| Orkney Area Code | (0)1856 |
| Orpington Area Code | (0)1689 |
| Oswestry Area Code | (0)1691 |
| Oxford Area Code | (0)1865 |
| Pakenham Area Code | (0)1359 |
| Peat Inn Area Code | (0)1333 |
| Peebles Area Code | (0)1721 |
| Pencombe Area Code | (0)1885 |
| Penicuik Area Code | (0)1968 |
| Penrith Area Code | (0)1768 |
| Penzance Area Code | (0)1736 |
| Peterhead Area Code | (0)1779 |
| Petersfield Area Code | (0)1730 |
| Pickering Area Code | (0)1751 |
| Pitlochry Area Code | (0)1796 |
| Pocklington Area Code | (0)1759 |
| Pontefract Area Code | (0)1977 |
| Pontypool Area Code | (0)1495 |
| Pontypridd Area Code | (0)1443 |
| Pooley Bridge Area Code | (0)17684 |
| Port Ellen Area Code | (0)1496 |
| Porthmadog Area Code | (0)1766 |
| Preston Area Code | (0)1772 |
| Prudhoe Area Code | (0)1661 |
| Pulborough Area Code | (0)1798 |
| Pwllheli Area Code | (0)1758 |
| Raughton Head Area Code | (0)16974 |
| Reading Area Code | (0)118 |
| Redditch Area Code | (0)1527 |
| Redhill Area Code | (0)1737 |
| Redruth Area Code | (0)1209 |
| Retford Area Code | (0)1777 |
| Rhyl Area Code | (0)1745 |
| Richmond Area Code | (0)1748 |
| Ringwood Area Code | (0)1425 |
| Ripley Area Code | (0)1773 |
| Ripon Area Code | (0)1765 |
| Rochdale Area Code | (0)1706 |
| Rockbourne Area Code | (0)1725 |
| Romford Area Code | (0)1708 |
| Romsey Area Code | (0)1794 |
| Ross-on-Wye Area Code | (0)1989 |
| Rothbury Area Code | (0)1669 |
| Rotherham Area Code | (0)1709 |
| Rothesay Area Code | (0)1700 |
| Royston Area Code | (0)1763 |
| Rugby Area Code | (0)1788 |
| Rugeley Area Code | (0)1889 |
| Runcorn Area Code | (0)1928 |
| Ruthin Area Code | (0)1824 |
| Rye Area Code | (0)1797 |
| Saffron Walden Area Code | (0)1799 |
| Salisbury Area Code | (0)1722 |
| Sanday Area Code | (0)1857 |
| Sandwick Area Code | (0)1950 |
| Sandy Area Code | (0)1767 |
| Sanquhar Area Code | (0)1659 |
| Saxmundham Area Code | (0)1728 |
| Scarborough Area Code | (0)1723 |
| Scarinish Area Code | (0)1879 |
| Scourie Area Code | (0)1971 |
| Scunthorpe Area Code | (0)1724 |
| Sedbergh Area Code | (0)15396 |
| Sedgefield Area Code | (0)1740 |
| Selby Area Code | (0)1757 |
| Selkirk Area Code | (0)1750 |
| Settle Area Code | (0)1729 |
| Sevenoaks Area Code | (0)1732 |
| Shaftesbury Area Code | (0)1747 |
| Shap Area Code | (0)1931 |
| Shepton Mallet Area Code | (0)1749 |
| Shetland Area Code | (0)1806 |
| Shrewsbury Area Code | (0)1743 |
| Sittingbourne Area Code | (0)1795 |
| Skegness Area Code | (0)1754 |
| Skelmersdale Area Code | (0)1695 |
| Skipton Area Code | (0)1756 |
| Sleaford Area Code | (0)1529 |
| Slough Area Code | (0)1753 |
| South Molton Area Code | (0)1769 |
| Southampton / Portsmouth Area Code | (0)23 |
| Southend-on-Sea Area Code | (0)1702 |
| Southport Area Code | (0)1704 |
| Spalding Area Code | (0)1775 |
| Spilsby Area Code | (0)1790 |
| St Albans Area Code | (0)1727 |
| St Andrews Area Code | (0)1334 |
| St Austell Area Code | (0)1726 |
| St Boswells Area Code | (0)1835 |
| St Clears Area Code | (0)1994 |
| St Helens Area Code | (0)1744 |
| Stafford Area Code | (0)1785 |
| Staines Area Code | (0)1784 |
| Stamford Area Code | (0)1780 |
| Stevenage Area Code | (0)1438 |
| Stirling Area Code | (0)1786 |
| Stonehaven Area Code | (0)1569 |
| Stowmarket Area Code | (0)1449 |
| Stow-on-the-Wold Area Code | (0)1451 |
| Stranraer Area Code | (0)1776 |
| Stratford-upon-Avon Area Code | (0)1789 |
| Strathaven Area Code | (0)1357 |
| Strathpeffer Area Code | (0)1997 |
| Strathy Area Code | (0)1641 |
| Strontian Area Code | (0)1967 |
| Sudbury Area Code | (0)1787 |
| Swaffham Area Code | (0)1760 |
| Tain Area Code | (0)1862 |
| Tamworth Area Code | (0)1827 |
| Tarbert Area Code | (0)1880 |
| Tarporley Area Code | (0)1829 |
| Taunton Area Code | (0)1823 |
| Tavistock Area Code | (0)1822 |
| Telford Area Code | (0)1952 |
| Temple Cloud Area Code | (0)1761 |
| Thame Area Code | (0)1844 |
| Thanet Area Code | (0)1843 |
| Thetford Area Code | (0)1842 |
| Thirsk Area Code | (0)1845 |
| Thornhill Area Code | (0)1848 |
| Thurso / Tongue Area Code | (0)1847 |
| Tiverton Area Code | (0)1884 |
| Tomatin Area Code | (0)1808 |
| Tomdoun Area Code | (0)1809 |
| Torquay Area Code | (0)1803 |
| Torrington Area Code | (0)1805 |
| Tranent Area Code | (0)1875 |
| Truro Area Code | (0)1872 |
| Tunbridge Wells Area Code | (0)1892 |
| Turriff Area Code | (0)1888 |
| Tyneside / Durham / Sunderland Area Code | (0)191 |
| Uckfield Area Code | (0)1825 |
| Ullapool Area Code | (0)1854 |
| Uxbridge Area Code | (0)1895 |
| Wakefield Area Code | (0)1924 |
| Walsall Area Code | (0)1922 |
| Warboys Area Code | (0)1487 |
| Ware Area Code | (0)1920 |
| Wareham Area Code | (0)1929 |
| Warminster Area Code | (0)1985 |
| Warrington Area Code | (0)1925 |
| Warwick Area Code | (0)1926 |
| Watchet Area Code | (0)1984 |
| Watford Area Code | (0)1923 |
| Wellingborough Area Code | (0)1933 |
| Welshpool Area Code | (0)1938 |
| Welwyn Garden City Area Code | (0)1707 |
| Wem Area Code | (0)1939 |
| West Heslerton Area Code | (0)1944 |
| Westerham Area Code | (0)1959 |
| Weston-Super-Mare Area Code | (0)1934 |
| Wetherby Area Code | (0)1937 |
| Weybridge Area Code | (0)1932 |
| Whatton Area Code | (0)1949 |
| Whitby Area Code | (0)1947 |
| Whitchurch Area Code | (0)1948 |
| Whitehaven Area Code | (0)1946 |
| Wick Area Code | (0)1955 |
| Wigan Area Code | (0)1942 |
| Wigton Area Code | (0)16973 |
| Wigtown Area Code | (0)1988 |
| Wincanton Area Code | (0)1963 |
| Winchester Area Code | (0)1962 |
| Wisbech Area Code | (0)1945 |
| Witney Area Code | (0)1993 |
| Workington Area Code | (0)1900 |
| Worksop Area Code | (0)1909 |
| Wormbridge Area Code | (0)1981 |
| Worthing Area Code | (0)1903 |
| Wrexham Area Code | (0)1978 |
| Wymondham Area Code | (0)1953 |
| Yeovil Area Code | (0)1935 |
