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.

Melvin, AL

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
251-771 8 JCSNMSCP60Z  624H ONVOY SPECTRUM, LLC 482   2024-11-21   

<< 1 2

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.