Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 551G NUSO, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
478-336 A Macon GA MACNGAMTX1Y  446      
478-336 1 Macon GA   446   2012-12-28   
484-263 4 Slatington PA   228   2018-07-28   
484-265 8 Slatington PA   228   2016-09-23   
484-265 9 Slatington PA   228   2016-09-23   
484-291 8 Nazareth PA   228   2016-09-23   
484-292 9 Nazareth PA   228   2016-09-23   
484-298 9 Nazareth PA   228   2018-07-28   
484-414 5 Philadelphia Suburban Zone 24 PA   228   2018-11-07   
484-445 8 Philadelphia Suburban Zone 12 PA   228   2018-11-07   
484-445 9 Philadelphia Suburban Zone 12 PA   228   2018-11-07   
484-449 2 Philadelphia Suburban Zone 12 PA   228   2016-09-23   
484-449 3 Philadelphia Suburban Zone 12 PA   228   2016-09-23   
484-457 8 Philadelphia Suburban Zone 21 PA   228   2018-07-28   
484-460 8 Allentown (Lehigh) PA   228   2018-07-28   
484-473 A West Chester PA PHLAPAMKGMD  228      
484-473 1 West Chester PA   228   2016-10-28   
484-473 2 West Chester PA   228   2016-10-28   
484-476 0 Philadelphia Suburban Zone 24 PA   228   2018-11-07   
484-486 8 Philadelphia Suburban Zone 11 PA   228   2016-09-23   
484-510 A Bethlehem PA PHLAPAMKGMD  228      
484-510 1 Bethlehem PA   228   2016-10-30   
484-510 2 Bethlehem PA   228   2016-10-30   
484-512 9 Reading PA   228   2016-09-23   
484-521 1 Philadelphia Suburban Zone 17 PA   228   2018-11-07   
484-521 9 Philadelphia Suburban Zone 17 PA   228   2018-11-07   
484-569 1 Coatesville PA   228   2016-10-20   
484-569 6 Coatesville PA   228   2016-09-24   
484-585 0 Philadelphia Suburban Zone 26 PA   228   2018-11-07   
484-585 8 Philadelphia Suburban Zone 26 PA   228   2018-11-07   
484-587 1 Pottstown PA   228   2016-10-11   
484-587 2 Pottstown PA   228   2016-10-11   
484-591 5 Easton PA   228   2016-09-23   
484-591 6 Easton PA   228   2016-09-23   
484-594 8 Philadelphia Suburban Zone 31 PA   228   2018-11-07   
484-594 9 Philadelphia Suburban Zone 31 PA   228   2018-11-07   
484-603 0 Philadelphia Suburban Zone 21 PA   228   2018-11-07   
484-603 1 Philadelphia Suburban Zone 21 PA   228   2018-11-07   
484-625 0 Philadelphia Suburban Zone 13 PA   228   2018-11-07   
484-625 1 Philadelphia Suburban Zone 13 PA   228   2018-11-07   
484-625 2 Philadelphia Suburban Zone 13 PA   228   2016-09-23   
484-625 3 Philadelphia Suburban Zone 13 PA   228   2016-09-23   
484-652 6 Philadelphia Suburban Zone 14 PA   228   2018-11-07   
484-652 9 Philadelphia Suburban Zone 14 PA   228   2018-11-07   
484-657 8 Coatesville PA   228   2018-07-28   
484-708 0 Philadelphia Suburban Zone 24 PA   228   2016-09-23   
484-774 1 Philadelphia Suburban Zone 30 PA   228   2018-11-07   
484-816 1 Philadelphia Suburban Zone 11 PA   228   2018-07-28   
484-829 8 Philadelphia Suburban Zone 24 PA   228   2016-09-23   
484-849 6 Philadelphia Suburban Zone 10 PA   228   2018-11-07   
484-849 9 Philadelphia Suburban Zone 10 PA   228   2018-11-07   
484-920 0 Phoenixville PA   228   2018-07-28   
484-931 8 Royersford PA   228   2016-09-23   
484-931 9 Royersford PA   228   2016-09-23   
484-954 2 Allentown (Lehigh) PA   228   2016-09-23   
484-954 4 Allentown (Lehigh) PA   228   2016-09-23   
484-965 1 Philadelphia Suburban Zone 30 PA   228   2016-09-23   
484-965 2 Philadelphia Suburban Zone 30 PA   228   2016-09-23   
484-965 8 Philadelphia Suburban Zone 30 PA   228   2018-11-07   
484-987 6 Reading PA   228   2016-10-12   
484-996 4 Phoenixville PA   228   2016-09-23   
484-996 5 Phoenixville PA   228   2016-09-23   
501-404 A Little Rock AR LTRKARFRX6Z  528      
501-404 1 Little Rock AR   528   2012-12-28   
502-630 6 Louisville KY   462   2018-07-23   
502-861 0 Louisville KY   462   2018-11-02   
502-861 8 Louisville KY   462   2018-11-02   
502-912 A Louisville KY LSVLKYAP23Z  462      
502-912 1 Louisville KY   462   2013-04-06   
504-334 1 New Orleans LA   490   2018-07-28   
504-369 1 New Orleans LA   490   2018-11-07   
504-369 2 New Orleans LA   490   2018-11-07   
504-369 5 New Orleans LA   490   2018-11-07   
504-369 6 New Orleans LA   490   2018-11-07   
504-369 7 New Orleans LA   490   2018-11-07   
504-369 9 New Orleans LA   490   2018-11-07   
504-434 A New Orleans LA NWORLAMA83Z  490      
504-434 1 New Orleans LA   490   2012-12-28   
504-577 9 New Orleans LA   490   2018-11-07   
504-671 1 New Orleans LA   490   2018-11-07   
504-671 9 New Orleans LA   490   2018-11-07   
504-867 0 New Orleans LA   490   2017-11-12   
504-867 1 New Orleans LA   490   2017-11-12   
504-872 8 New Orleans LA   490   2018-11-07   
505-316 7 Santa Fe NM   664   2018-03-06   
505-395 A Santa Fe NM SNFENMMA3MD  664      
505-395 1 Santa Fe NM   664   2012-12-19   
507-601 A Rochester MN ROCHMNROXGX  620      
507-601 1 Rochester MN   620   2014-08-07   
509-202 A Spokane WA SPKNWA01XOX  676      
509-202 1 Spokane WA   676   2012-12-17   
509-867 1 Spokane WA   676   2018-04-15   
512-920 A Austin TX AUSTTXHOVMD  558      
512-920 1 Austin TX   558   2012-12-17   
513-667 A Cincinnati OH CNCNOHWSXYY  922      
513-667 1 Cincinnati OH   922   2013-01-25   
515-410 0 Des Moines IA   632   2018-04-14   
515-608 A Des Moines IA DESMIADTX9X  632      
515-608 1 Des Moines IA   632   2012-12-30   
518-360 0 Albany NY   134   2018-12-16   

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

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