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.

Easton, MD

<< 1 2 3

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
667-412 A SLBRMDSBX4Y  732J NUSO, LLC 242      
667-412 0 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2024-08-24   
667-412 1 SLBRMDSBX4Y  732J NUSO, LLC 242   2022-10-17   
667-412 9 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2026-01-30   
667-808 A SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242      
667-808 0 SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2016-10-14   
667-808 1 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2025-04-08   
667-808 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-07-12   
667-808 8 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2020-04-20   
667-808 9 SLBRMDSCXMD  5562 METROPCS, INC. 242   2021-10-31   

<< 1 2 3

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.