Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 302 [Rate centres in NPA 302] [Dial plan for NPA 302]

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-637 A Delaware City DE PHLAPAFGD2S  969E ONVOY, LLC - DE 228   2024-05-04   
302-637 0 Delaware City DE PHLAPAFGD2S  969E ONVOY, LLC - DE 228   2024-05-04   
302-637 1 Delaware City DE PHLAPAFGD2S  969E ONVOY, LLC - DE 228   2024-05-06   
302-637 6 Delaware City DE   321J HD CARRIER LLC 228   2025-10-19   
302-637 7 Delaware City DE   321J HD CARRIER LLC 228   2025-10-19   
302-637 8 Delaware City DE PHLAPAFGD2S  969E ONVOY, LLC - DE 228   2024-05-06   
302-637 9 Delaware City DE PHLAPAFGD2S  969E ONVOY, LLC - DE 228   2024-06-22   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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