Area Code 8617 – Nellore, Andhra Pradesh
The phone area code for Nellore, Andhra Pradesh is 8617 (international format +918617). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 8617
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Nellore, Andhra Pradesh
Geographic Coverage and Administrative Jurisdiction
The +91 8617 country calling code prefix is a geographic National Destination Code (NDC) assigned to the Nellore telecommunications district in the state of Andhra Pradesh, India. This area code serves the city of Nellore and its surrounding administrative subdivisions, including the Nellore mandal and parts of the SPSR Nellore district. The service area encompasses both urban and rural zones, with the code covering local exchanges within the city limits and extending to nearby towns and villages that fall under the same telecom district.
Dialing Formats and Number Structure
For local callers within India, the complete national significant number (NSN) for a fixed-line subscriber in Nellore consists of the trunk prefix '0', followed by the area code '8617', and a subscriber number of 6 digits. Thus, a typical national dialing format is: 0-8617-XXXXXX. When calling from outside India, the international format replaces the trunk prefix with the country code +91, resulting in: +91-8617-XXXXXX. For example, a local number might be 8617-234567; from abroad, you would dial +91 8617 234567. It is important to note that the subscriber number length is fixed at 6 digits for this geographic code, ensuring a total NSN length of 10 digits (excluding the trunk prefix).
Overlay and Dialing Considerations
Currently, there is no overlay code for the Nellore area; the 8617 code is the sole geographic NDC for this region. Therefore, local calls within the same STD code area do not require the area code when dialing between exchanges in the same city, but for calls from other STD code areas, the full national format with trunk prefix is mandatory. For international callers, the plus sign (+) is used to denote the international access prefix, and the leading '0' of the national format must be omitted. Mobile and VoIP users should always dial the full international format when reaching a fixed-line in Nellore from abroad.
Services and Usage
This geographic code is primarily used for PSTN (Public Switched Telephone Network) fixed-line services, including landlines for residential and business customers. It also supports ISDN and some legacy data services. As with all Indian geographic codes, the prefix is not portable to other regions; it is tied to the physical location of the exchange. For businesses, having a local presence in Nellore is facilitated by this code, which is often used for customer support and administrative lines. Callers should be aware that while fixed-line numbers are generally reliable, the telecom infrastructure in rural parts of the district may experience occasional outages, but overall service quality is consistent with national standards.