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: 835 [Rate centres in NPA 835] [Dial plan for NPA 835]

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
835-228 A Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228      
835-228 0 Philadelphia Suburban Zone 23 PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228   2023-10-23   
835-228 1 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-12-02   
835-228 2 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-20   
835-228 3 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-20   
835-228 4 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-20   
835-228 5 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-20   
835-228 6 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-20   
835-228 7 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-20   
835-228 8 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-20   
835-228 9 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.