ðə ɹˈʌf bˈaʊndɚɹiz ʌvðɪ ˌɛnˌɛssˈiː ˌɑːpɚɹˈeɪʃənz wɜː fɹʌm hˈeɪstɪŋz ɪnðɪ ˈiːst tə pˈoːɹtsməθ ɪnðə wˈɛst, ɔːlðˈoʊ sˈɜːvɪsᵻz ˈɑːpɚɹˌeɪɾᵻd baɪ ðə kˈʌmpəni dˈɪd ɛkstˈɛnd fˈɜːðɚɹ ˌɔn bˈoʊθ sˈaɪdz tə saʊθˈæmptən ɐlˈɔŋ ðə wˈɛst kˈoʊstweɪ lˈaɪn ɪnðə wˈɛst, ænd æz ðə sˈoʊl ˈɑːpɚɹˌeɪɾɚɹ ʌvðə mˈɑːɹʃlɪŋk lˈaɪn fɹʌm hˈeɪstɪŋz tʊ ˈæʃfɚd vˈaɪə ɹˈaɪ.
The rough boundaries of the NSC operations were from Hastings in the east to Portsmouth in the west, although services operated by the company did extend further on both sides to Southampton along the West Coastway line in the west, and as the sole operator of the Marshlink line from Hastings to Ashford via Rye.