Area Code 3213 – Invercargill
The phone area code for Invercargill is 3213 (international format +643213). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3213
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Invercargill
Geographic Overview
The +64 3213 prefix is a geographic National Destination Code (NDC) assigned to the Invercargill local calling area in New Zealand. Invercargill, the southernmost city in the country, serves as the administrative and commercial hub of the Southland region. The code covers the city itself and its immediate surrounding suburbs, including Appleby, Glengarry, and Waikiwi. As part of New Zealand's E.164 numbering plan, this prefix is used for fixed-line PSTN services, and calls to it are routed over the public switched telephone network.
Dialing Formats
For callers within New Zealand, the national significant number for Invercargill numbers is 03 213 xxxx. The leading '0' is the trunk prefix, '3' is the NDC for the South Island, and '213' is the local exchange code. The complete national dialing format is 03 213 xxxx (e.g., 03 213 4567).
For international callers, the country code for New Zealand is +64. The trunk prefix '0' is dropped, so the international format becomes +64 3 213 xxxx (e.g., +64 3 213 4567). Note that when dialing from abroad, you must replace the leading '0' with the international access code of your country (e.g., 011 from the US, 00 from most European countries), followed by 64 and the remaining digits.
Local vs. National Calls
Within the Invercargill area, local calls are typically dialed using the full national number (03 213 xxxx) due to the implementation of the New Zealand local calling areas. However, some legacy local calls may be dialed as 7-digit numbers (213 xxxx) if the caller is within the same exchange area. For national long-distance calls from other regions of New Zealand, dial 0, then 3, then 213, followed by the subscriber number.
Numbering and Overlay Considerations
New Zealand's numbering plan does not use area code overlays in the traditional sense; instead, the NDC '3' covers the entire South Island, with local exchange codes (like 213) differentiating specific geographic areas. This means that as demand for numbers grows, additional exchange codes are introduced within the same NDC, but the dialing format remains consistent. There are no plans to introduce an overlay for Invercargill, as the current numbering capacity is sufficient.
Caller Instructions
- Local callers (within Invercargill): Dial 03 213 xxxx.
- National callers (from other parts of New Zealand): Dial 03 213 xxxx.
- International callers: Dial your country's exit code, then 64, then 3, then 213, then the subscriber number (e.g., +64 3 213 xxxx).
Always verify the number with the recipient, as number portability may allow a number with this prefix to be assigned to a different geographic location or even a mobile service, though this is rare for fixed-line prefixes.