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: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-878 A Stafford-Sandy OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-878 0 Stafford-Sandy OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-12-08   
503-878 1 Stafford-Sandy OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-12-08   
503-878 2 Stafford-Sandy OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-12-08   
503-878 3 Stafford-Sandy OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-12-08   
503-878 4 Stafford-Sandy OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2017-07-08   
503-878 5 Stafford-Sandy OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2016-05-23   
503-878 6 Stafford-Sandy OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2015-01-31   
503-878 7 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2018-10-27   
503-878 8 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2009-04-29   
503-878 9 Stafford-Sandy OR PTLJORIY1MD  5562 METROPCS, INC. 672   2018-10-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.