Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
520-415 1 Nogales AZ TCSNAZMAXRX  668   2012-05-03   
520-463 9 Whitlow AZ PHNXAZMAXUX  666   2011-02-18   
520-619 6 Nogales AZ TCSNAZMAXRX  668   2020-10-12   
563-203 8 Cresco IA   635   2010-05-06   
563-217 3 Waukon IA   635   2012-08-16   
563-233 A Sumner IA SOLNIAXO2MD  635      
563-233 8 Sumner IA   635   2010-05-06   
563-237 0 Fredericksburg IA   635   2010-05-06   
563-245 5 Elkader IA   635   2012-10-06   
563-252 6 Guttenberg IA   635   2012-10-06   
563-277 A Decorah IA CDRRIAIC2MD  635      
563-277 1 Decorah IA   635   2010-05-15   
563-329 2 McGregor IA   635   2012-08-16   
563-358 A Fort Atkinson IA MNCHIAXO2MD  635      
563-358 9 Fort Atkinson IA   635   2010-04-15   
563-387 6 Decorah IA   635   2005-07-24   
563-412 A West Union IA CDRRIAIC2MD  635      
563-412 1 West Union IA   635   2010-05-15   
563-425 8 Fayette IA   635   2010-05-06   
563-454 A Wyoming IA NLBTIAXO2MD  635      
563-454 9 Wyoming IA   635   2010-05-09   
563-538 2 Lansing IA   635   2012-08-16   
563-562 1 Calmar IA   635   2010-05-09   
563-566 8 Lime Springs IA   635   2010-05-06   
563-569 0 Protivin IA   635   2010-05-06   
563-586 8 Harpers Ferry IA   635   2012-10-26   
563-637 8 Maynard IA   635   2010-05-06   
563-683 A New Albin IA NLBTIAXO2MD  635      
563-683 9 New Albin IA   635   2010-05-09   
563-725 A Elgin IA NLBTIAXO2MD  635      
563-725 8 Elgin IA   635   2010-05-06   
563-764 A Ossian IA NLBTIAXO2MD  635      
563-764 9 Ossian IA   635   2010-05-09   
563-822 A Manchester IA MNCHIAXO2MD  635      
563-822 1 Manchester IA   635   2010-04-16   
563-928 0 Edgewood IA   635   2010-05-06   
563-933 0 Strawberry Point IA   635   2010-05-06   
563-964 5 Garnavillo IA   635   2012-10-06   
573-228 6 Columbia MO CLMAMOXAX4X  521   2011-07-18   
573-228 9 Columbia MO CLMAMOXAX4X  521   2010-06-13   
573-397 6 Columbia MO CLMAMOXAX4X  521   2012-04-23   
573-476 6 Columbia MO CLMAMOXAX4X  521   2016-10-01   
573-486 6 Hermann MO WNVLMOXAX3X  520   2010-05-20   
573-488 8 Ashland MO CLMAMOXAX4X  521   2022-09-29   
573-496 5 Brazito MO JFCYMOXAX1X  521   2022-10-10   
573-507 6 Columbia MO CLMAMOXAX4X  521   2019-10-10   
573-514 7 Columbia MO CLMAMOXAX4X  521   2012-11-23   
573-520 8 Russellville MO JFCYMOXAX1X  521   2022-09-29   
573-533 7 Centertown MO JFCYMOXAX1X  521   2022-09-29   
573-536 5 Taos MO JFCYMOXAX1X  521   2022-09-29   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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