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: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-746 A Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 0 Friendsville MD HGTWMD530MD  073H TELNYX LLC 240      
301-746 1 Friendsville MD   5562 METROPCS, INC. 240      
301-746 2 Friendsville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-746 3 Friendsville MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240      
301-746 4 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 5 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 6 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 7 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 8 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 9 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.