Epping Forest District Council is experiencing ‘serious’ disruption to its phone and computer systems.
Engineers are working to solve the issues but services are not expected to return today.
Callers trying to get through are advised to consult the council’s website but in an emergency can call 01992 56 42 88.
A spokeswoman for the authority said: “We apologise for any inconvenience and hope to have the services up and running again tomorrow.”
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