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: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-550 A Lewes DE PHLAPAFGD2S  969E ONVOY, LLC - DE 228      
302-550 0 Lewes DE   969E ONVOY, LLC - DE 228   2019-12-11   
302-550 1 Lewes DE   969E ONVOY, LLC - DE 228   2021-01-15   
302-550 2 Lewes DE   969E ONVOY, LLC - DE 228   2021-01-15   
302-550 3 Lewes DE   969E ONVOY, LLC - DE 228   2021-01-15   
302-550 4 Lewes DE   969E ONVOY, LLC - DE 228   2021-01-15   
302-550 5 Lewes DE   969E ONVOY, LLC - DE 228   2019-12-11   
302-550 6 Lewes DE   624H ONVOY SPECTRUM, LLC 228   2021-02-25   
302-550 7 Lewes DE   318J COMCAST IP PHONE, LLC 228   2021-09-23   
302-550 8 Lewes DE   969E ONVOY, LLC - DE 228   2020-08-09   
302-550 9 Lewes DE   969E ONVOY, LLC - DE 228   2020-08-09   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.