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: 854 [Rate centres in NPA 854] [Dial plan for NPA 854]

NXX: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-333 A Walterboro SC CHTNSCDT22Z  073H TELNYX LLC 436      
854-333 0 Walterboro SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2017-11-23   
854-333 1 Walterboro SC   624H ONVOY SPECTRUM, LLC 436   2021-11-12   
854-333 2 Walterboro SC   548E ONVOY, LLC - SC 436   2020-06-15   
854-333 3 Walterboro SC   073H TELNYX LLC 436   2017-04-22   
854-333 4 Walterboro SC   548E ONVOY, LLC - SC 436   2020-06-15   
854-333 5 Walterboro SC   548E ONVOY, LLC - SC 436   2018-12-03   
854-333 6 Walterboro SC   5562 METROPCS, INC. 436   2018-07-23   
854-333 7 Walterboro SC   548E ONVOY, LLC - SC 436   2020-06-15   
854-333 8 Walterboro SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2018-06-18   
854-333 9 Walterboro SC   548E ONVOY, LLC - SC 436   2019-06-29   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.