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: 360 [Rate centres in NPA 360] [Dial plan for NPA 360]

NXX: 803

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-803 A Ridgefield WA PTLDORWADS2  483E ONVOY, LLC - WA 672      
360-803 0 Ridgefield WA   073H TELNYX LLC 672   2022-09-02   
360-803 1 Ridgefield WA   483E ONVOY, LLC - WA 672   2022-10-13   
360-803 2 Ridgefield WA   483E ONVOY, LLC - WA 672   2022-10-13   
360-803 3 Ridgefield WA   483E ONVOY, LLC - WA 672   2022-10-13   
360-803 4 Ridgefield WA   483E ONVOY, LLC - WA 672   2022-10-13   
360-803 5 Ridgefield WA   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-12-22   
360-803 6 Ridgefield WA   073H TELNYX LLC 672   2023-07-23   
360-803 7 Ridgefield WA   483E ONVOY, LLC - WA 672   2021-11-21   
360-803 8 Ridgefield WA   483E ONVOY, LLC - WA 672   2021-11-21   
360-803 9 Ridgefield WA   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2022-11-25   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.