|
Hertfordshire |
Welwyn Garden City |
100000 |
109999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
200000 |
209999 |
Vodafone Ltd (Energis) |
G |
|
Hertfordshire |
Welwyn Garden City |
210000 |
219999 |
Starcomm Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
220000 |
229999 |
Vodafone Ltd (C&W) |
G |
|
Hertfordshire |
Welwyn Garden City |
230000 |
230999 |
Level 3 Communications UK Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
233000 |
233999 |
Level 3 Communications UK Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
239000 |
239999 |
Level 3 Communications UK Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
240000 |
240999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
241000 |
241999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
242000 |
242999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
243000 |
243999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
244000 |
244999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
245000 |
245999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
246000 |
246999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
247000 |
247999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
248000 |
248999 |
Gamma Telecom Holdings Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
250000 |
259999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
260000 |
269999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
270000 |
279999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
280000 |
289999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
290000 |
299999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
300000 |
309999 |
Vodafone Ltd (Thus) |
G |
|
Hertfordshire |
Welwyn Garden City |
310000 |
319999 |
EE Limited ( TM) |
G |
|
Hertfordshire |
Welwyn Garden City |
320000 |
329999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
330000 |
339999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
340000 |
349999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
350000 |
359999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
360000 |
369999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
370000 |
379999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
380000 |
389999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
390000 |
399999 |
BT |
G |
|
Hertfordshire |
Welwyn Garden City |
400000 |
409999 |
Citrus Telecommunications Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
410000 |
410999 |
Linear Telecoms Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
411000 |
411999 |
Numbers Plus Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
412000 |
412999 |
Internexus Networks Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
413000 |
413999 |
Hello Telecom (UK) PLC |
G |
|
Hertfordshire |
Welwyn Garden City |
414000 |
414999 |
Orbtalk Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
415000 |
415999 |
Bicom Systems EURL |
G |
|
Hertfordshire |
Welwyn Garden City |
416000 |
416999 |
Barritec Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
417000 |
417999 |
24 Seven Communications Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
418000 |
418999 |
API Telecom Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
419000 |
419999 |
ICC Networks Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
420000 |
429999 |
Vodafone Ltd (C&W) |
G |
|
Hertfordshire |
Welwyn Garden City |
430000 |
430999 |
Six Degrees Unified Comms Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
434000 |
434999 |
Six Degrees Unified Comms Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
440000 |
440999 |
British Sky Broadcasting Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
441000 |
441999 |
TelNG Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
442000 |
442999 |
Localphone Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
443000 |
443999 |
Frontier Systems Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
444000 |
444999 |
Digital Mail Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
445000 |
445999 |
(aq) Limited trading as aql |
G |
|
Hertfordshire |
Welwyn Garden City |
446000 |
446999 |
InTechnology Plc |
G |
|
Hertfordshire |
Welwyn Garden City |
447000 |
447999 |
Net-Work Internet Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
448000 |
448999 |
VoIP-Un Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
449000 |
449999 |
Resilient Plc |
G |
|
Hertfordshire |
Welwyn Garden City |
450000 |
459999 |
Edge Telecom Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
460000 |
469999 |
Easynet Enterprise Services Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
470000 |
470999 |
Inclarity Communications Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
480000 |
489999 |
C2C Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
497000 |
497999 |
Spitfire Network Services Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
500000 |
509999 |
Simwood eSMS Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
510000 |
510999 |
Teledesign Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
511000 |
511999 |
Verizon UK Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
512000 |
512999 |
Barritel Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
513000 |
513999 |
Timico Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
514000 |
514999 |
Nodemax Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
515000 |
515999 |
TTNC Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
516000 |
516999 |
Telecom2 Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
517000 |
517999 |
Premium O Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
518000 |
518999 |
TalkTalk Communications Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
519000 |
519999 |
Nationwide Telephone Assistance Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
520000 |
520999 |
TalkTalk Communications Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
521000 |
521999 |
Barritec Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
522000 |
522999 |
Pulsant (Scotland) Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
523000 |
523999 |
3C Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
524000 |
524999 |
Voxbone SA |
G |
|
Hertfordshire |
Welwyn Garden City |
525000 |
525999 |
Solutios Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
526000 |
526999 |
Mars Communications Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
527000 |
527999 |
iNet Telecoms Ltd (Voipfone) |
G |
|
Hertfordshire |
Welwyn Garden City |
528000 |
528999 |
IPV6 Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
529000 |
529999 |
Andrews & Arnold (Numbers) Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
530000 |
530999 |
CFL Communications Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
531000 |
531999 |
Nexus Telecommunications Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
532000 |
532999 |
Telecoms World Plc |
G |
|
Hertfordshire |
Welwyn Garden City |
533000 |
533999 |
Magrathea Telecommunications Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
534000 |
534999 |
Mundio Mobile Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
535000 |
535999 |
Invomo Ltd |
G |
|
Hertfordshire |
Welwyn Garden City |
536000 |
536999 |
TeleWare PLC |
G |
|
Hertfordshire |
Welwyn Garden City |
537000 |
537999 |
i-Net Communications Group Plc |
G |
|
Hertfordshire |
Welwyn Garden City |
538000 |
538999 |
Buzz Networks Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
539000 |
539999 |
Atomstream Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
540000 |
549999 |
Net Solutions Europe Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
550000 |
550999 |
British Sky Broadcasting Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
551000 |
551999 |
British Sky Broadcasting Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
552000 |
552999 |
British Sky Broadcasting Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
560000 |
560999 |
Digitech Solutions Global Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
561000 |
561999 |
Calltracks Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
562000 |
562999 |
Core Telecom Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
563000 |
563999 |
Telephone Box Limited |
G |
|
Hertfordshire |
Welwyn Garden City |
564000 |
564999 |
Cheers International Sales Limited |
G |
