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: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-991 A New Bedford MA NBFRMAAEDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-991 0 New Bedford MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-991 1 New Bedford MA CMBSMA01GT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
508-991 2 New Bedford MA NBFRMAAEDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-991 3 New Bedford MA NBFRMAAEDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-991 4 New Bedford MA NBFRMAAEDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-991 5 New Bedford MA NBFRMAAEDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-991 6 New Bedford MA NBFRMAAEDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-991 7 New Bedford MA NBFRMAAEDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-991 8 New Bedford MA NBFRMAAEDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-991 9 New Bedford 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.