Area Code 237 – Vrancea
The phone area code for Vrancea is 237 (international format +40237). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 237
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Vrancea
Geographic Overview
The +40 237 country and area code combination is assigned to the Vrancea County in Romania, a geographic region located in the eastern part of the country, within the historical region of Moldavia. The administrative center and largest city served by this code is Focșani, which acts as the county seat and primary economic hub. Other notable towns and communes within the coverage area include Adjud, Mărășești, Odobești, and Panciu. The area code 237 is one of Romania's geographic numbering plan codes, allocated under the national numbering plan administered by the National Authority for Management and Regulation in Communications (ANCOM). It is used for fixed-line telephony services, including PSTN and VoIP services that are registered to a physical address within the county.
Dialing Formats
For callers placing a call to a fixed-line subscriber in Vrancea, the dialing format depends on the caller's location. Within Romania, callers must dial the national trunk prefix 0, followed by the area code 237 and the subscriber's six-digit local number. For example, to reach a number in Focșani, a caller within Romania would dial: 0 237 xxx xxx. From outside Romania, callers must dial the international access prefix (typically + or 00), followed by Romania's country code 40, the area code 237 (without the leading zero), and the six-digit subscriber number. The international format is: +40 237 xxx xxx.
Local and International Caller Instructions
For local callers within Vrancea, it is common to dial only the six-digit subscriber number for calls within the same area code, though this practice may vary depending on the operator and the implementation of overlay plans. However, for clarity and consistency, it is recommended to always use the full national format. For international callers, it is essential to omit the trunk prefix '0' when dialing from abroad. For example, a caller from the United States would dial 011 40 237 xxx xxx, while a caller from the United Kingdom would dial 00 40 237 xxx xxx.
Overlay and Numbering Considerations
As of the latest ANCOM updates, there is no overlay code for the 237 area, meaning that the code is exclusively assigned to Vrancea County. However, due to number portability, a subscriber may retain their 237 number even if they move to a different geographic region, and conversely, a subscriber in Vrancea may have a number from a different area code if they ported their number. This is an important consideration for callers who rely on the area code to determine the caller's location.
Practical Usage
The 237 area code is widely used by businesses, public institutions, and residential customers. When listing contact numbers for a business in Vrancea, it is standard practice to display the number in international format, especially if the business serves international clients. For example, a business in Focșani might list its phone number as +40 237 123 456. Understanding the correct dialing format is crucial for ensuring successful call completion.