Which electricity DNO covers postcode CO3?

CO3 (Colchester) is distributed by UK Power Networks (Eastern - EPN). For any street power cut call 105 free 24/7.

Who supplies mains water and gas in CO3?

Water: Anglian Water; Gas network: Cadent Gas.

CO3 District Colchester (Essex)

Live power cut, broadband, mobile 5G, water & gas network telemetry for UK postcode district CO3.

All / Power Broadband Mobile Water Gas

Electricity DNO (105)

UK Power Networks (Eastern - EPN)

Emergency: 105 / 105 / 0800 316 3105

Water & Sewerage Company

Anglian Water

Support: 03457 145 145

Gas Network (0800 111 999)

Cadent Gas

Smell gas? 0800 111 999

Provider	Matched District / Area	Status / Affected	ETR / Updated
Andrews & Arnold (AAISP)	SG12 VoIP: Possible problems with some VoIP calls	Network Anomaly	15 Nov 2026 at 2:47 pm GMT

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