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: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 942

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-942 A Severna Park MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-942 0 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 1 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 2 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 3 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 4 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 5 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 6 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 7 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 8 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-942 9 Severna Park MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.