Crossword Genius

Returned calls from city dwellings miles away (6)

Ross

I believe the answer is:

echoes

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'returned calls from' is the definition.
I can't tell whether this definition defines the answer.

'city dwellings miles away' is the wordplay.
'city' becomes 'ec' (the City of London postcode).
'dwellings' becomes 'homes' ('home' can be a synonym of 'dwelling').
'miles' becomes 'm' (common abbreviation).
'away' indicates named letters should be taken away.
'homes' with 'm' taken out is 'hoes'.
'ec'+'hoes'='ECHOES'

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(Other definitions for echoes that I've seen before include "They're heard coming back" , "Sounds reverberating" , "Resounds, reverberates" , "Repeats" , "Sound reverberations" .)

I've seen this clue in The Telegraph.
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