Kerala Telecommunications Circle has been segmented into thirteen Business Areas (BA) and each BA is further divided into several Short Distance Charging Areas (SDCA) for call charging. The BA are,
Trivandrum, Kollam, Pathanamthitta, Kottayam, Alappuzha, Ernakulam, Thrissur, Palakkad, Kozhikkode, Kannur, Malappuram and Lakshadweep

Clicking on the map will also   lead you to the corresponding BA page

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