Local Calling Guide

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Philadelphia Suburban Zone 23, PA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
835-291 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-291 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2026-04-26   
835-888 A PHLAPAFGXXX  145J TERRA NOVA TELECOM INC. 228      
835-888 0 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-11-05   
835-888 1 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-11-05   
835-888 2 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-11-05   
835-888 3 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-11-05   
835-888 4 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-11-05   
835-888 5 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-12-04   
835-888 6 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-12-04   
835-888 7 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-11-05   
835-888 8   145J TERRA NOVA TELECOM INC. 228   2022-10-22   
835-888 9 PHLAPAMK33Z  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-11-05   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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