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.
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Prospect, OR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
541-560 A PRSPORXXRS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 670      
541-560 0 PRSPORXXRS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 670      
541-560 1 PRSPORXXRS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 670      
541-560 2 PRSPORXXRS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 670      
541-560 3 PRSPORXXRS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 670      
541-560 4 PRSPORXXRS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 670      
541-560 5 WHCYORXXDMD  750E ONVOY, LLC - OR 670      
541-560 6 EUGNOR53XCX  508J CENTURYLINK COMMUNICATIONS, LLC 670      
541-560 7 EUGNOR53QMD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 670      
541-560 8 PRSPORXXRS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 670      
541-560 9 PRSPORXXRS0  4520 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - OR 670      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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