The list covers Castellón de la Plana, Burriana, Alcoceber and Sant Joan de Moró, among other towns. Within 20 km of Castellón de la Plana are Netllar Castellón, Redes de Fibra Castellon and akiwifi. For work that needs return visits, a firm within an hour’s drive is usually worth a slightly higher quote.
Clemenfibra, Zentro Telecom and Netllar Castellón lead on Google among firms with at least 20 reviews. The average rating across the list is 4.1 (firms with at least five reviews). A handful of five-star reviews is a start, but ask for a job you can go and see.
Ask the provider to check coverage at your exact plot before you sign. For fixed wireless, line of sight to the mast decides everything; for Starlink, a clear view of the northern sky does.
Questions to ask before you sign
- Can you check coverage at my exact plot?
- What speeds do customers near me actually get?
- What is the minimum contract?
- Can you install a test antenna first?