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: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 749

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-749 A Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-03-13   
240-749 0 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-03-13   
240-749 1 Laurel (Baltimore LATA) MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-03-13   
240-749 4 Laurel (Baltimore LATA) MD   566J RADIANTIQ LLC 238   2021-05-07   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.