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: 334 [Rate centres in NPA 334] [Dial plan for NPA 334]

NXX: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-436 A Roanoke AL MTGMAL13CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 478      
334-436 0 Roanoke AL MTGMAL13CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 478      
334-436 1 Roanoke AL MTGMAL13CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 478   2006-02-18   
334-436 8 Roanoke AL   792K CHARTER IP ENABLED SERVICES, LLC 478   2020-04-28   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.