Previously triage services have been divided depending on which side of the border residents live, with southern NSW residents told to contact Accessline, a service provided by Murrumbidgee Local Health District.

From Wednesday, residents within the AWH catchment will be transitioned to one number - 1300 104 21.

AWH executive director of mental health Lucie Shanahan said Accessline was not being shut down, but the transition would allow patients to seek help more directly.

"We're the provider of mental health support into Albury and surrounding areas like Corowa, Culcairn, Henty, Holbrook, Urana, Mulwala," she said.

"What this provides us with is the opportunity for people to have direct entry into AWH's mental health services rather than currently going via Accessline and then being referred in to us."

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Dr Shanahan said the triage service was contacted by a wide range of people, from people in crisis or in need or emergency support for someone, to health professionals seeking advice.

"Local people answering local phone calls, I think that's one of the biggest advantages [of the new system]," she said.

"It's AWH mental health clinicians who will be answering people's phone calls.

"One of the biggest advantages that brings with it is for the clinicians taking the phone call they have immediate access to people's mental health information.

"They can access the information to understand - if that person is an existing client of our mental health service - what strategies, techniques work really well.

"If the call is in the wee hours of the morning, the following day they can let the case manager or mental health clinician know."

Dr Shanahan said people could contact the Albury Wodonga Health mental health triage service by calling 1300 104 211.

"Accessline has been the triage service provider for southern NSW for about 21 years," she said.

"It's a long time... one of the reassuring things is that it is quite possible that the person who answers the phone is a clinician the person may have already met or come across because we already provide services into those towns."