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]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-912 A Gresham OR PTLDOR13XFX  318J COMCAST IP PHONE LLC 672      
503-913 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-914 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-915 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-916 A Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-917 A Dallas OR TGRDORDOAMD  6664 SPRINT SPECTRUM L.P. 672      
503-918 A Salem OR PTLDOR13XCX  6630 USA MOBILITY WIRELESS, INC. 672      
503-919 A Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-920 A Portland OR PTLDOR13XCX  6630 USA MOBILITY WIRELESS, INC. 672      
503-921 A Portland OR PTLDOR13XCX  6630 USA MOBILITY WIRELESS, INC. 672      
503-922 A Portland OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-923 A Beaverton OR PTLDORPBDS7  647F ELTOPIA COMMUNICATIONS, LLC - OR 672      
503-924 A Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672   2021-02-23   
503-925 A Sherwood OR SHWDORXADS0  4323 FRONTIER COMMUNICATIONS NORTHWEST, INC. - OR 672      
503-926 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-927 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-928 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-929 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-930 A Salem OR SALMORSACM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-931 A Salem OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-932 A Salem OR TGRDORDOAMD  6664 SPRINT SPECTRUM L.P. 672      
503-933 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-934 A Salem OR SALMOR58DS0  9638 QWEST CORPORATION 672      
503-935 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-936 A Portland OR HLBOOR38CM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-937 A Portland OR PTLDORWNDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-938 A Portland OR PTLDOR13XCX  6630 USA MOBILITY WIRELESS, INC. 672      
503-939 A Portland OR HLBOOR38CM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-940 A Portland OR PTLDOR13XCX  6630 USA MOBILITY WIRELESS, INC. 672      
503-941 A Beaverton OR PTLEORXMDS2  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-942 A Portland OR PTLDOR13XCX  6630 USA MOBILITY WIRELESS, INC. 672      
503-943 A Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672   2021-02-17   
503-944 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-945 A Salem OR SALMOR58DS0  9638 QWEST CORPORATION 672      
503-946 A Portland OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-947 A Salem OR SALMOR58DS0  9638 QWEST CORPORATION 672      
503-948 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-949 A Salem OR SALMORSACM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-951 A Woodburn OR HLBOOR38CM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-952 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-953 A Portland OR HLBOOR38CM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-954 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-955 A Portland OR PTLDOR13XCX  6630 USA MOBILITY WIRELESS, INC. 672      
503-956 A Portland OR HLBOOR38CM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-957 A Portland OR TGRDORDOAMD  6664 SPRINT SPECTRUM L.P. 672      
503-960 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-961 A Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE, LLC DBA ALLSTREAM - OR 672   2021-02-17   
503-962 A Portland OR PTLDOR13DS3  9638 QWEST CORPORATION 672      
503-963 A Portland OR PTLDOR13DS3  9638 QWEST CORPORATION 672      
503-964 A Portland OR HLBOOR38CM1  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.