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: 491

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-491 A Milford DE PHLAPAFGD0S  4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228      
302-491 0 Milford DE PHLAPAFGD0S  4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228      
302-491 1 Milford DE PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2024-03-17   
302-491 2 Milford DE PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-16   
302-491 3 Milford DE PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-19   
302-491 4 Milford DE PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2010-09-22   
302-491 5 Milford DE PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2024-07-29   
302-491 6 Milford DE PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2007-07-27   
302-491 7 Milford DE PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2021-09-26   
302-491 8 Milford DE PHLAPASL0MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2023-10-19   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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