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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-255 A Falmouth MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
774-255 0 Falmouth MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
774-255 1 Falmouth MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
774-255 2 Falmouth MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
774-255 3 Falmouth MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-255 4 Falmouth MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
774-255 5 Falmouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-255 6 Falmouth MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
774-255 7 Falmouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-255 8 Falmouth MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
774-255 9 Falmouth MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.