Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 908 [Rate centres in NPA 908] [Dial plan for NPA 908]

NXX: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
908-639 A Belle Mead NJ CLTNNJXJXAX  637C ONVOY, LLC - NJ 224      
908-639 2 Belle Mead NJ CLTNNJXJXAX  637C ONVOY, LLC - NJ 224   2023-11-25   
908-639 3 Belle Mead NJ CLTNNJXJXAX  637C ONVOY, LLC - NJ 224   2023-11-25   
908-639 4 Belle Mead NJ CLTNNJXJXAX  637C ONVOY, LLC - NJ 224   2024-03-01   
908-639 5 Belle Mead NJ CLTNNJXJXAX  637C ONVOY, LLC - NJ 224   2024-03-01   
908-639 6 Belle Mead NJ CLTNNJXJXAX  637C ONVOY, LLC - NJ 224   2024-03-01   
908-639 9 Belle Mead NJ   637C ONVOY, LLC - NJ 224   2026-05-08   

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.