NPA-NXX - 939-437

This is the 939-437 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 939
3. 939-437

The 939-437 subcode mainly covers Trujillo Alto in Trujillo Alto county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Puerto Rico state. Many of the numbers in this subcode are Regular Landline registered to Telefonica Larga Distancia De Puerto Rico. We hear they employ a large number of people in the Puerto Rico office.
Recently there have been an increase in reported calls, we've had over 74842 comments across our systems for the 939-437 subcode.