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National Destination Code:121

This is the United Kingdom National Destination Code:121 Area Code Database page list. You can click the title to browse the detail information.
Region Code: BIR
Region Name City Sn from Sn to Carrier Name Number Type
Birmingham Birmingham 2710000 2719999 VoiceHost Limited G
Birmingham Birmingham 2720000 2729999 Gamma Telecom Holdings Ltd G
Birmingham Birmingham 2730000 2739999 Virgin Media Limited G
Birmingham Birmingham 2740000 2749999 BT G
Birmingham Birmingham 2750000 2759999 Vodafone Ltd (Energis) G
Birmingham Birmingham 2760000 2769999 Orange G
Birmingham Birmingham 2770000 2779999 Six Degrees Unified Comms Limited G
Birmingham Birmingham 2780000 2789999 Vodafone Ltd (C&W) G
Birmingham Birmingham 2790000 2799999 TelNG Limited G
Birmingham Birmingham 2800000 2809999 Six Degrees Unified Comms Limited G
Birmingham Birmingham 2810000 2819999 COLT Technology Services G
Birmingham Birmingham 2820000 2829999 Served Up Limited. G
Birmingham Birmingham 2830000 2839999 Nextec (UK) Limited G
Birmingham Birmingham 2840000 2849999 Localphone Limited G
Birmingham Birmingham 2850000 2859999 aql Wholesale Limited G
Birmingham Birmingham 2860000 2869999 Vodafone Ltd (C&W) G
Birmingham Birmingham 2870000 2879999 Net Solutions Europe Limited G
Birmingham Birmingham 2880000 2889999 Vodafone Ltd (C&W) G
Birmingham Birmingham 2890000 2899999 Frontier Systems Ltd G
Birmingham Birmingham 2900000 2909999 Numbers Telecom Limited G
Birmingham Birmingham 2910000 2919999 British Sky Broadcasting Limited G
Birmingham Birmingham 2920000 2929999 AVCOne Ltd G
Birmingham Birmingham 2930000 2939999 TalkTalk Communications Limited G
Birmingham Birmingham 2940000 2949999 British Sky Broadcasting Limited G
Birmingham Birmingham 2950000 2959999 COLT Technology Services G
Birmingham Birmingham 2960000 2969999 BT G
Birmingham Birmingham 2970000 2979999 Vizion Communication Limited G
Birmingham Birmingham 2980000 2989999 XoverX Ltd G
Birmingham Birmingham 2990000 2999999 Cirrus Response Limited G
Birmingham Birmingham 3000000 3009999 Vodafone Ltd (YC) G
Birmingham Birmingham 3010000 3019999 Virgin Media Wholesale Limited G
Birmingham Birmingham 3020000 3029999 Netfuse Telecom Ltd G
Birmingham Birmingham 3030000 3039999 Virgin Media Wholesale Limited G
Birmingham Birmingham 3040000 3049999 Voicetec Systems Ltd G
Birmingham Birmingham 3060000 3069999 BT G
Birmingham Birmingham 3070000 3079999 Resilient Plc G
Birmingham Birmingham 3080000 3089999 BT G
Birmingham Birmingham 3090000 3099999 VoIP-Un Limited G
Birmingham Birmingham 3110000 3119999 BT G
Birmingham Birmingham 3120000 3129999 Aggregated Telecom Ltd G
Birmingham Birmingham 3130000 3139999 BT G
Birmingham Birmingham 3140000 3149999 Magrathea Telecommunications Limited G
Birmingham Birmingham 3150000 3159999 Vodafone Ltd (C&W) G
Birmingham Birmingham 3160000 3169999 Invomo Ltd G
Birmingham Birmingham 3170000 3179999 QX Telecom Ltd G
Birmingham Birmingham 3180000 3189999 Wavecrest (UK) Ltd G
Birmingham Birmingham 3190000 3199999 Square Systems Limited G
Birmingham Birmingham 3200000 3209999 Vodafone Ltd (C&W) G
Birmingham Birmingham 3210000 3219999 BT G
Birmingham Birmingham 3220000 3229999 BT G
Birmingham Birmingham 3230000 3239999 BT G
Birmingham Birmingham 3240000 3249999 Bellingham Telecommunications Limited G
Birmingham Birmingham 3250000 3259999 BT G
Birmingham Birmingham 3260000 3269999 BT G
Birmingham Birmingham 3270000 3279999 BT G
Birmingham Birmingham 3280000 3289999 BT G
Birmingham Birmingham 3290000 3299999 BT G
Birmingham Birmingham 3300000 3309999 FleXtel Limited G
Birmingham Birmingham 3310000 3319999 BT G
Birmingham Birmingham 3320000 3329999 BT G
Birmingham Birmingham 3330000 3339999 BT G
Birmingham Birmingham 3340000 3349999 BT G
Birmingham Birmingham 3350000 3359999 Vodafone Ltd (C&W) G
Birmingham Birmingham 3360000 3369999 Vodafone Ltd (Energis) G
Birmingham Birmingham 3370000 3379999 Edge Telecom Limited G
Birmingham Birmingham 3380000 3389999 Reality Network Services Limited G
Birmingham Birmingham 3390000 3399999 Liquid 11 Limited G
Birmingham Birmingham 3400000 3409999 Alphatalk Ltd G
Birmingham Birmingham 3410000 3419999 Annecto Telecom G
Birmingham Birmingham 3420000 3429999 BT G
Birmingham Birmingham 3430000 3439999 BT G
Birmingham Birmingham 3440000 3449999 BT G
Birmingham Birmingham 3450000 3459999 Level 3 Communications UK Limited G
Birmingham Birmingham 3460000 3469999 BT G
Birmingham Birmingham 3470000 3479999 BT G
Birmingham Birmingham 3480000 3489999 Spitfire Network Services Ltd G
Birmingham Birmingham 3490000 3499999 Timico Limited G
Birmingham Birmingham 3500000 3509999 BT G
Birmingham Birmingham 3510000 3519999 BT G
Birmingham Birmingham 3520000 3529999 BT G
Birmingham Birmingham 3530000 3539999 BT G
Birmingham Birmingham 3540000 3549999 BT G
Birmingham Birmingham 3550000 3559999 BT G
Birmingham Birmingham 3560000 3569999 BT G
Birmingham Birmingham 3570000 3579999 BT G
Birmingham Birmingham 3580000 3589999 BT G
Birmingham Birmingham 3590000 3599999 BT G
Birmingham Birmingham 3600000 3609999 BT G
Birmingham Birmingham 3610000 3619999 Telecom2 Ltd G
Birmingham Birmingham 3620000 3629999 BT G
Birmingham Birmingham 3630000 3639999 Citrus Telecommunications Ltd G
Birmingham Birmingham 3640000 3649999 Vodafone Ltd (C&W) G
Birmingham Birmingham 3650000 3659999 Pulsant (Scotland) Limited G
Birmingham Birmingham 3660000 3669999 BT G
Birmingham Birmingham 3670000 3679999 Invomo Ltd G
Birmingham Birmingham 3680000 3689999 Voxbone SA G
Birmingham Birmingham 3690000 3699999 TTNC Limited G
Birmingham Birmingham 3700000 3709999 Advanced Voip Solutions Ltd G
Birmingham Birmingham 3710000 3719999 Vodafone Ltd (C&W) G
Birmingham Birmingham 3720000 3729999 3C Limited G