MCC-MNC.dev

Mobile country & network codes database

3,042 networks · 227 countries · updated 2026-08

What are the MCC and MNC codes in Guernsey?

MCC 234 · +44 · ISO GG / GGY / 831 · 3 networks

Every mobile network in Guernsey shares Mobile Country Code (MCC) 234 — the three-digit prefix that opens every PLMN broadcast by a Guernsey SIM. The country's international dialling prefix is +44, which is distinct from the MCC: 234 identifies the country inside the network, while +44 routes voice calls. Under ISO 3166 Guernsey is coded GG / GGY / 831. This page lists 3 mobile networks operating in Guernsey, with each network's MNC, full PLMN, operator, status and market share.

By reported market reach, the largest networks in Guernsey are Airtel-Vodafone (818.2%).

MCCMNCPLMNOperatorStatusMarket share
234 03 23403 Airtel-Vodafone Guernsey Airtel Ltd Operational 818.2%
234 50 23450 JT JT Group Limited Operational
234 55 23455 Sure Mobile Sure (Guernsey) Limited Operational

Frequently asked questions

What is the MCC of Guernsey?
Guernsey's Mobile Country Code (MCC) is 234. Every SIM issued by a Guernsey network broadcasts a PLMN that begins with these three digits.
What is Guernsey's country calling code?
Guernsey's international dialling prefix is +44. Note that this is separate from the MCC (234): the calling code routes voice calls, while the MCC identifies the country inside the mobile network.
How many mobile networks are in Guernsey?
This registry lists 3 mobile networks for Guernsey, from full MNOs to MVNOs, each with its MNC, PLMN code, operator, status and market share.
How do I read a Guernsey PLMN?
A PLMN such as 23403 is simply the MCC and MNC joined together: 234 (Guernsey) followed by 03 (Airtel-Vodafone). The first three digits are always the country's MCC; the remaining two or three digits are the network's MNC.