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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-256 A Moncks Corner SC CHTNSCDT15Z  8645 SUNCOM DBA T-MOBILE USA 436   2024-03-03   
854-256 0 Moncks Corner SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2024-06-22   
854-256 1 Moncks Corner SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2024-07-29   
854-256 3 Moncks Corner SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2024-10-16   
854-256 4 Moncks Corner SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2024-09-27   
854-256 5 Moncks Corner SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2025-01-11   
854-256 6 Moncks Corner SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2025-01-11   
854-256 7 Moncks Corner SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2024-04-13   
854-256 8 Moncks Corner SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2024-04-13   
854-256 9 Moncks Corner SC CHTNSCDT15Z  8645 SUNCOM DBA T-MOBILE USA 436   2024-03-03   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.