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: 244

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-244 A Milford MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-244 0 Milford MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-244 1 Milford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-244 2 Milford MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
508-244 4 Milford MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-244 5 Milford MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-244 6 Milford MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-244 7 Milford MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-244 8 Milford MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-244 9 Milford MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 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.