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: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-318 A Stafford VA HRNDVA13AMD  4725 CAVALIER TELEPHONE, LLC - VA 236      
540-318 0 Stafford VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
540-318 1 Stafford VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
540-318 2 Stafford VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
540-318 3 Stafford VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236      
540-318 4 Stafford VA HRNDVA13AMD  4725 CAVALIER TELEPHONE, LLC - VA 236      
540-318 5 Stafford VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
540-318 6 Stafford VA ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
540-318 7 Stafford VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
540-318 8 Stafford VA ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
540-318 9 Stafford VA BTVLMD12CM9  5562 METROPCS, INC. 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.