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: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-299 A Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-299 0 Falmouth MA BRTNMACR0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
508-299 1 Falmouth MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-299 2 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-299 3 Falmouth MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
508-299 5 Falmouth MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-299 6 Falmouth MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
508-299 7 Falmouth MA CMBRMAMQDS3  316E YMAX COMMUNICATIONS CORP. - MA 128      
508-299 8 Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-299 9 Falmouth MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.