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: 348

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-348 A Marlboro MA   829J PAETEC ITEL, LLC 128      
774-348 0 Marlboro MA   829J PAETEC ITEL, LLC 128      
774-348 1 Marlboro MA   829J PAETEC ITEL, LLC 128      
774-348 2 Marlboro MA   829J PAETEC ITEL, LLC 128      
774-348 3 Marlboro MA   829J PAETEC ITEL, LLC 128      
774-348 4 Marlboro MA   829J PAETEC ITEL, LLC 128      
774-348 5 Marlboro MA   829J PAETEC ITEL, LLC 128      
774-348 6 Marlboro MA   829J PAETEC ITEL, LLC 128      
774-348 7 Marlboro MA   2899 BROADVIEW NETWORKS, INC. - MA 128      
774-348 8 Marlboro MA   2899 BROADVIEW NETWORKS, INC. - MA 128      
774-348 9 Marlboro MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.