Area Code 201 – Lagos
The phone area code for Lagos is 201 (international format +234201). Browse local exchange codes (NXX) and carrier assignments below.
📍 Geographic Location of Lagos
Geographic Overview
The +234 201 prefix is the geographic National Destination Code (NDC) assigned to the Lagos metropolitan area, Nigeria's largest city and commercial capital. As a geographic code, 201 is used for fixed-line (landline) services within the Lagos State region, encompassing major districts such as Ikeja, Victoria Island, Lekki, Surulere, and Mainland areas. The code is administered under the Nigerian Communications Commission (NCC) numbering plan, which follows ITU-T E.164 standards.
Dialing Formats
For callers within Nigeria, the local dialing format requires the trunk prefix '0' followed by the area code and subscriber number: 01-234-5678 (where '2345678' is the 7-digit local number). For international callers, the format is +234 201 234 5678 or +234 201 2345678 (without the leading '0'). Subscriber numbers in Lagos are typically 7 digits, making the total national significant number (NSN) 10 digits when including the NDC.
Overlay and Numbering Changes
Historically, Lagos used the area code '01' for landlines. However, due to increasing demand, the NCC introduced an overlay code '201' to provide additional numbering capacity. This means that within Lagos, both '01' and '201' codes may be in use for fixed-line services. Callers within Lagos must dial the full NDC (including the '0') even for local calls, as per the NCC's unified dialing plan. This is a crucial change from older practices where only the subscriber number was dialed locally.
Usage and Services
The 201 code is primarily used by fixed-line operators such as MTN, Glo, and 9mobile for their landline services, as well as by enterprise and residential customers. It is also used for some VoIP and broadband fixed services. Unlike mobile codes, 201 is geographic, meaning the number is tied to a physical location, which is important for emergency services and regulatory compliance.
Caller Instructions
For local callers outside Lagos, dial 01-234-5678 (if the number is under the '01' code) or 0201-234-5678 (if under '201'). For international callers, always use +234 201 234 5678. Be aware that some numbers may be ported to other networks, but the geographic code remains unchanged.