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.

Switch: PHLAPAMK33Z

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
835-255 9 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-01-24   
835-261 2 Reading PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-09   
835-261 3 Reading PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-09-29   
835-264 A Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-24   
835-264 0 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-26   
835-264 1 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-26   
835-264 2 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-26   
835-264 3 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-26   
835-264 4 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-26   
835-264 5 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-26   
835-264 6 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-24   
835-264 7 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-24   
835-264 8 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-24   
835-264 9 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-24   
835-277 9 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-12-29   
835-284 A Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 0 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 1 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 2 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 3 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 4 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 5 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 6 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 7 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 8 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-284 9 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-01-20   
835-290 A Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 0 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 1 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 2 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 3 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 4 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 5 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 6 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 7 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 8 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-290 9 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 A Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 0 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 1 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 2 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 3 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 4 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 5 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 6 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 7 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 8 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 9 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-293 A Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-06-26   
835-293 0 Philadelphia Suburban Zone 23 PA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-06-26   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.