Area Code 456 – Mahdia

Overview of Guyana's +592 456 Geographic Prefix

The +592 456 prefix is a geographic National Destination Code (NDC) assigned to the Mahdia region in Guyana. Mahdia is a small town located in the Potaro-Siparuni region of the country, situated in the central highlands. This area is known for its mining activities and is a gateway to the scenic Kaieteur Falls. The prefix is used for fixed-line telephone services, connecting subscribers within this administrative district to the national and international PSTN network.

Dialing Format and Usage

When calling a number in Mahdia from within Guyana, subscribers must dial the national trunk prefix '0' followed by the NDC and the local subscriber number. For example, a local call to a Mahdia landline would be dialed as 0 456 1234 (where '1234' represents the local line). From outside Guyana, callers must use the international access code (typically '00' or '+'), followed by the country code 592, the NDC without the leading '0', and the subscriber number. Thus, an international caller would dial +592 456 1234.

It is important to note that Guyana's numbering plan follows the ITU-T E.164 recommendation, and the NDC '456' is part of the geographic routing hierarchy. The local subscriber numbers within this prefix are typically 4 to 7 digits long, depending on the specific exchange and historical allocation. However, the total length of a national significant number (NSN) in Guyana is 7 digits for fixed-line services, which includes the NDC and the subscriber number. Therefore, the subscriber number after the NDC is usually 4 digits, as in the example above.

Geographic Coverage and Administrative Jurisdiction

The Mahdia prefix covers the town of Mahdia and its surrounding communities within the Potaro-Siparuni region. This area is sparsely populated and is primarily served by the Guyana Telephone and Telegraph Company (GTT), the incumbent fixed-line operator. The region's telephone infrastructure is limited compared to coastal urban centers, and service availability may be constrained by the challenging terrain and remote location.

Caller Instructions

For local callers within Guyana: Always include the trunk prefix '0' when dialing a Mahdia number from another region. For example, dial 0 456 1234. If you are calling from within the same exchange area, you may be able to dial just the local number, but this is not guaranteed and depends on the specific local dialing plan.

For international callers: Dial your country's international access code (e.g., 011 from the US, 00 from most European countries), then 592, then 456, followed by the subscriber number. For instance, from the US, you would dial 011 592 456 1234. Alternatively, you can use the '+' sign on mobile phones: +592 456 1234.

Overlay and Numbering Considerations

As of the current numbering plan, there is no overlay code for Mahdia; the 456 prefix is unique to this geographic area. However, with the ongoing evolution of Guyana's telecom sector, including the introduction of mobile number portability and VoIP services, the distinction between geographic and non-geographic numbers may blur. Nevertheless, for fixed-line services, the geographic significance of the 456 prefix remains relevant for routing and tariff purposes.