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.

OCN: 508J CENTURYLINK COMMUNICATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
508-413 5 Provincetown MA   128   2014-04-25   
508-506 7 Oxford MA   128   2014-04-25   
508-538 7 Marion MA   128   2014-04-25   
508-557 4 Seekonk MA   128   2014-04-25   
508-594 7 Mansfield MA   128   2014-06-20   
508-621 9 Westboro MA   128   2014-06-20   
508-690 7 East Bridgewater MA   128   2014-04-25   
508-720 7 Natick MA   128   2014-03-31   
508-779 2 Uxbridge MA   128   2014-04-24   
508-841 2 Shrewsbury MA   128   2014-06-20   
508-905 7 Wellfleet MA   128   2014-04-28   
508-952 7 Norton MA   128   2014-04-24   
508-955 6 Chilmark MA   128   2014-04-25   
508-980 8 Charlton MA   128   2014-04-25   
509-203 8 Grandview WA   676   2015-01-26   
509-215 6 Davenport WA   676   2015-01-20   
509-219 7 Stevenson WA   672   2013-12-10   
509-250 7 Goldendale WA   672   2013-12-10   
509-281 7 White Salmon WA   672   2013-12-10   
509-282 7 Connell WA   676   2015-01-23   
509-284 6 Tekoa WA   676   2017-10-28   
509-303 7 Prosser WA   676   2015-01-26   
509-316 7 Pasco WA   676   2015-01-23   
509-317 A Yakima WA YAKMWAWE7MD  676      
509-317 7 Yakima WA   676   2014-12-14   
509-320 7 Starbuck WA   676   2015-01-23   
509-337 2 Waitsburg WA   676   2015-01-26   
509-341 6 Twisp WA   676   2015-01-26   
509-345 5 Wilson Creek WA   676   2015-01-29   
509-349 6 Warden WA   676   2015-02-06   
509-365 7 Lyle WA   672   2013-12-10   
509-377 7 Columbia WA   676   2015-01-26   
509-383 7 Granger WA   676   2015-01-26   
509-384 7 Roosevelt WA   672   2013-12-10   
509-390 7 Soap Lake WA   676   2015-01-26   
509-403 8 Quincy WA   676   2021-04-15   
509-403 9 Quincy WA   676   2021-04-15   
509-404 A Dayton WA YAKMWAWE7MD  676      
509-404 7 Dayton WA   676   2015-03-16   
509-414 8 Elk-Greenbluff WA   676   2015-01-26   
509-497 6 Benton City WA   676   2015-01-28   
509-503 6 Spokane WA   676   2019-11-21   
509-515 7 Sunnyside WA   676   2014-12-16   
509-530 A Spokane WA YAKMWAWE7MD  676      
509-530 3 Spokane WA   676   2018-12-28   
509-530 4 Spokane WA   676   2018-12-28   
509-530 5 Spokane WA   676   2018-12-28   
509-530 6 Spokane WA   676   2018-12-28   
509-530 7 Spokane WA   676   2018-12-28   
509-553 7 Colfax WA   676   2015-01-28   
509-559 3 Cheney WA   676   2015-01-26   
509-560 6 Oroville WA   676   2015-01-23   
509-565 6 Medical Lake WA   676   2015-01-29   
509-566 1 Pomeroy WA   676   2015-01-29   
509-578 7 Richland WA   676   2015-01-28   
509-579 A Kennewick WA YAKMWAWE7MD  676      
509-579 7 Kennewick WA   676   2014-12-16   
509-580 7 Selah WA   676   2016-06-01   
509-584 7 Wapato WA   676   2015-01-28   
509-587 7 Brewster WA   676   2015-01-28   
509-593 7 Walla Walla WA   676   2015-01-26   
509-598 7 Spokane WA   676   2015-01-27   
509-603 A Spokane WA YAKMWAWE7MD  676      
509-603 0 Spokane WA   676   2021-12-02   
509-603 1 Spokane WA   676   2021-12-02   
509-603 2 Spokane WA   676   2021-12-02   
509-603 3 Spokane WA   676   2021-12-02   
509-603 4 Spokane WA   676   2021-12-02   
509-603 5 Spokane WA   676   2021-12-02   
509-603 6 Spokane WA   676   2021-12-02   
509-603 7 Spokane WA   676   2021-12-02   
509-603 8 Spokane WA   676   2021-12-02   
509-603 9 Spokane WA   676   2021-12-02   
509-620 7 Coulee Dam WA   676   2015-12-02   
509-632 6 Coulee City WA   676   2015-01-26   
509-634 5 Nespelem WA   676   2015-01-29   
509-639 8 Almira WA   676   2015-01-26   
509-640 7 Colville WA   676   2015-01-26   
509-642 7 Harrah WA   676   2015-01-26   
509-656 7 Cle Elum WA   676   2015-01-23   
509-659 8 Ritzville WA   676   2015-01-29   
509-673 6 Tieton WA   676   2015-01-26   
509-677 6 Lind WA   676   2015-01-29   
509-686 7 Bridgeport WA   676   2015-01-28   
509-717 7 Ephrata WA   676   2015-02-06   
509-722 1 Chewelah WA   676   2015-01-28   
509-738 0 Kettle Falls WA   676   2015-01-29   
509-740 5 Omak WA   676   2015-01-23   
509-745 7 Douglas County WA   676   2015-01-28   
509-746 1 Yakima WA   676   2023-06-13   
509-746 2 Yakima WA   676   2023-05-22   
509-746 3 Yakima WA   676   2023-05-22   
509-746 4 Yakima WA   676   2023-05-22   
509-746 5 Yakima WA   676   2023-05-22   
509-748 7 Dallesport WA   672   2013-12-10   
509-761 7 Moses Lake WA   676   2015-02-06   
509-769 1 Clarkston WA   676   2015-01-26   
509-775 4 Republic WA   676   2015-01-23   
509-779 7 Curlew WA   676   2015-01-23   
509-796 1 Reardan WA   676   2015-01-29   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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