Abstract of all allocated codes in the SNS - National numbers starting 23

select entry in Code column to view full DE allocations in that range

Code	DEF	Operator	Use	Notes
2300, 2301, 2302, 2303, 2304, 2305, 2306, 2307, 2308, 2309			023 National Dialling expansion
2310			Portsmouth National Dialling
2311			Southampton National Dialling
2312, 2313, 2314, 2315, 2316, 2317, 2318, 2319			023 National Dialling expansion
2320, 2321, 2322, 2323, 2324, 2325, 2326, 2327, 2328, 2329, 2330, 2331, 2332, 2333, 2334, 2335, 2336, 2337, 2338, 2339, 2340, 2341, 2342, 2343, 2344, 2345, 2346, 2347, 2348, 2349, 2350, 2351, 2352, 2353, 2354, 2355, 2356, 2357, 2358, 2359, 2360, 2361, 2362, 2363, 2364, 2365, 2366, 2367, 2368, 2369, 2370, 2371, 2372, 2373, 2374, 2375, 2376, 2377, 2378, 2379			023 Geographic expansion
2380, 2381			Southampton
2382, 2383, 2384, 2385, 2386, 2387, 2388, 2389, 2390, 2391			023 Geographic expansion
2392, 2393			Portsmouth
2394, 2395, 2396, 2397, 2398			023 Geographic expansion
2399			Portsmouth/Southampton Emergency Services