Area Code 055 – Florence
The phone area code for Florence is 055 (international format +39055). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 055
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Florence
Geographic Coverage and Administrative Jurisdiction
The Italian national destination code (NDC) 055 is a geographic area code assigned under the national numbering plan of Italy (country code +39). It serves the province of Florence (Firenze) in the Tuscany region, encompassing the provincial capital and its surrounding municipalities. The code covers a well-defined administrative area that includes the metropolitan city of Florence and extends to several neighboring towns such as Scandicci, Sesto Fiorentino, Campi Bisenzio, and Bagno a Ripoli. Subscribers within this area are allocated numbers in the format 055 XXX XX XX, where the total subscriber number length is seven digits after the area code.
Dialing Formats and Caller Instructions
For local callers within Italy, the complete national significant number (NSN) must be dialed, which includes the trunk prefix 0 followed by the area code and the subscriber number. For example, to call a fixed line in Florence from another Italian city, you would dial: 055 123 4567. When calling from abroad, the international prefix (typically + or 00) is used, followed by Italy's country code 39, and then the area code without the leading zero. Thus, an international caller would dial: +39 55 123 4567. Note that the leading zero is omitted in international format. For local calls within the same area code, the full NSN is still required; there is no abbreviated local dialing in Italy.
Overlay and Numbering Considerations
Currently, there is no overlay code for the Florence area; the 055 code remains the sole geographic code for the province. However, due to the increasing demand for telecommunication services, number portability is in effect, allowing subscribers to retain their numbers when switching providers. This means that a number starting with 055 may be served by any operator, including VoIP providers, and is not necessarily tied to the incumbent operator's physical network. Despite this, the geographic significance of the code remains for routing and identification purposes.
Practical Usage and Tips
When placing a call to a Florence number from a mobile phone in Italy, it is essential to include the area code even if you are physically within the same region. For international callers, always ensure you use the correct international access code (e.g., 011 from the US and Canada) and drop the initial zero of the area code. This code is widely used by businesses, public institutions, and private residences in the area, and it is important for both domestic and international communication to maintain accuracy in dialing to avoid misrouted calls.