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: 302 [Rate centres in NPA 302] [Dial plan for NPA 302]

NXX: 675

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-675 A Milford DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-02   
302-675 4 Milford DE   4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228   2025-05-05   
302-675 5 Milford DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-02   
302-675 6 Milford DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-02   
302-675 7 Milford DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-02   
302-675 8 Milford DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-02   
302-675 9 Milford DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2025-05-02   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.