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: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-330 A Barnstable MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
774-330 0 Barnstable MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
774-330 1 Barnstable MA SOVLMAAB2MD  966G LOCAL ACCESS LLC - MA 128   2015-10-18   
774-330 2 Barnstable MA   318J COMCAST IP PHONE LLC 128   2014-01-22   
774-330 3 Barnstable MA   318J COMCAST IP PHONE LLC 128   2014-07-10   
774-330 4 Barnstable MA BSTNMACODS7  4084 PAETEC COMMUNICATIONS, INC.- MA 128   2009-12-04   
774-330 5 Barnstable MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-04-20   
774-330 6 Barnstable MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-10-21   
774-330 7 Barnstable MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS LLC 128   2014-04-25   
774-330 8 Barnstable MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2011-07-22   
774-330 9 Barnstable MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2010-02-11   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.