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: 610 [Rate centres in NPA 610] [Dial plan for NPA 610]

NXX: 276

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-276 A Philadelphia Suburban Zone 31 PA KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-276 0 Philadelphia Suburban Zone 31 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228      
610-276 1 Philadelphia Suburban Zone 31 PA KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-276 2 Philadelphia Suburban Zone 31 PA PHLAPASLDS5  7421 AT&T - LOCAL 228      
610-276 3 Philadelphia Suburban Zone 31 PA KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-276 4 Philadelphia Suburban Zone 31 PA KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
610-276 5 Philadelphia Suburban Zone 31 PA PHLAPAMKXSX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228      
610-276 6 Philadelphia Suburban Zone 31 PA   3806 CORE COMMUNICATIONS, INC. - PA 228      
610-276 8 Philadelphia Suburban Zone 31 PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228      
610-276 9 Philadelphia Suburban Zone 31 PA KGPRPADODS0  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.