Area Code 1702 – Southend-on-Sea
The phone area code for Southend-on-Sea is 1702 (international format +441702). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 1702
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Southend-on-Sea
Overview of Area Code 01702 (Southend-on-Sea)
Area code 01702 is a geographic National Destination Code (NDC) within the United Kingdom's national numbering plan, assigned to the coastal town of Southend-on-Sea and its surrounding areas in Essex, England. This code is part of the +44 country calling code and is used for fixed-line (PSTN) and some VoIP services. The code covers a population of approximately 180,000, including the towns of Leigh-on-Sea, Westcliff-on-Sea, and Thorpe Bay, as well as parts of Rochford and Rayleigh.
Geographic Coverage and Administrative Jurisdiction
The 01702 code serves the unitary authority of Southend-on-Sea, which is a major seaside resort and commercial center. Key landmarks include Adventure Island, Southend Pier (the longest pleasure pier in the world), and the University of Essex's Southend campus. The area is also home to Southend Airport (SEN), which contributes to business and tourism traffic.
Dialing Formats and Caller Instructions
For local callers within the United Kingdom, the number is dialed as 01702 followed by the local subscriber number, which is typically six digits long (e.g., 01702 123456). When calling from outside the UK, the international format is +44 1702 123456, omitting the leading zero of the NDC. For example, a caller from the United States would dial 011 44 1702 123456, while a caller from Europe would dial 00 44 1702 123456.
It is important to note that the 01702 area code is not overlaid with any other codes, so local calls within the same area do not require the area code. However, for calls from mobile phones or other regions, the full national number (01702 + subscriber number) must be used.
Numbering and Regulatory Notes
Numbers with the 01702 prefix are allocated by Ofcom, the UK's communications regulator, to various fixed-line operators. Subscribers can retain their numbers when switching providers (local loop unbundling). As with all UK geographic numbers, calls to 01702 numbers are typically included in inclusive minutes for landline and mobile call packages, but premium-rate or non-geographic numbers may be charged differently.
For businesses, having a 01702 number establishes a local presence, which can enhance trust with local customers. It is also possible to use VoIP services that offer 01702 numbers, allowing remote businesses to appear local.