Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 515J IP HORIZON LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
412-503 1 Pittsburgh Zone 7 PA   234   2018-01-11   
412-516 7 Pittsburgh Suburban Zone 22 PA   234   2020-05-23   
412-516 8 Pittsburgh Suburban Zone 22 PA   234   2020-05-23   
412-534 1 Pittsburgh Suburban Zone 16 PA   234   2018-01-07   
412-539 8 Pittsburgh Zone 7 PA   234   2017-07-13   
412-564 8 Pittsburgh Suburban Zone 13 PA   234   2015-03-28   
412-572 0 Pittsburgh Zone 6 PA   234   2020-05-23   
412-572 9 Pittsburgh Zone 6 PA   234   2020-05-23   
412-615 0 Pittsburgh Suburban Zone 14 PA   234   2018-12-10   
412-615 1 Pittsburgh Suburban Zone 14 PA   234   2018-12-10   
412-631 0 Pittsburgh Suburban Zone 15 PA   234   2015-03-22   
412-646 8 Pittsburgh Suburban Zone 22 PA   234   2016-05-21   
412-684 8 Pittsburgh Suburban Zone 18 PA   234   2015-03-28   
412-693 8 Pittsburgh Suburban Zone 11 PA   234   2015-03-28   
412-701 5 Pittsburgh Suburban Zone 21 PA   234   2015-09-28   
412-707 5 Pittsburgh Zone 2 PA   234   2020-05-23   
412-707 6 Pittsburgh Zone 2 PA   234   2020-05-23   
412-748 8 Pittsburgh Suburban Zone 17 PA   234   2015-09-28   
412-748 9 Pittsburgh Suburban Zone 17 PA   234   2015-03-28   
412-752 3 Pittsburgh Zone 1 PA   234   2020-05-23   
412-752 4 Pittsburgh Zone 1 PA   234   2020-05-23   
412-754 8 Pittsburgh Suburban Zone 10 PA   234   2020-05-23   
412-754 9 Pittsburgh Suburban Zone 10 PA   234   2020-05-23   
412-769 A Pittsburgh Zone 2 PA PITBPADTXOX  234      
412-769 1 Pittsburgh Zone 2 PA   234   2020-11-07   
412-775 7 Pittsburgh Zone 3 PA   234   2020-05-23   
412-775 8 Pittsburgh Zone 3 PA   234   2020-05-23   
412-782 9 Pittsburgh Zone 3 PA   234   2017-07-13   
412-808 3 Pittsburgh Zone 7 PA   234   2020-05-23   
412-808 9 Pittsburgh Zone 7 PA   234   2020-05-23   
412-822 0 Pittsburgh Zone 3 PA   234   2018-01-11   
412-832 8 Pittsburgh Suburban Zone 21 PA   234   2015-03-28   
412-839 9 Pittsburgh Suburban Zone 13 PA   234   2015-09-28   
412-857 0 Pittsburgh Suburban Zone 14 PA   234   2016-05-21   
412-893 8 Pittsburgh Suburban Zone 15 PA   234   2015-11-13   
412-903 1 Pittsburgh Suburban Zone 18 PA   234   2015-09-28   
412-932 1 Pittsburgh Zone 1 PA   234   2013-04-29   
412-939 8 Pittsburgh Zone 2 PA   234   2016-05-21   
412-943 5 Pittsburgh Suburban Zone 11 PA   234   2015-09-28   
412-948 5 Pittsburgh Suburban Zone 10 PA   234   2018-12-10   
412-948 6 Pittsburgh Suburban Zone 10 PA   234   2018-12-10   
412-954 3 Pittsburgh Zone 8 PA   234   2013-04-29   
413-200 A Cummington MA   126      
413-200 1 Cummington MA   126   2006-04-22   
413-203 8 Easthampton MA   126   2007-03-06   
413-242 1 Pittsfield MA   126   2006-04-22   
413-277 1 Ware MA   126   2007-03-06   
413-370 A Palmer MA   126      
413-370 1 Palmer MA   126   2006-04-22   
413-387 1 Northampton MA   126   2006-04-22   
413-389 A Springfield MA SPFDMAWOXGX  126      
413-389 1 Springfield MA   126   2020-10-30   
413-475 1 Greenfield MA   126   2006-04-22   
413-486 9 East Longmeadow MA   126   2009-03-21   
413-497 1 Gilbertville MA   126   2006-04-22   
413-548 1 Amherst (Franklin County) MA   126   2006-04-22   
413-551 1 Lenox MA   126   2006-04-22   
413-561 1 Holyoke MA   126   2006-04-22   
413-591 1 Great Barrington MA   126   2006-04-09   
413-654 A Springfield MA   126      
413-654 1 Springfield MA   126   2006-04-22   
413-672 0 North Adams MA   126   2013-04-26   
413-749 1 Adams MA   126   2006-04-22   
413-848 1 Blandford MA   126   2006-04-22   
413-961 1 Worthington MA   126   2007-03-06   
413-998 8 Southwick MA   126   2014-09-26   
414-279 A Milwaukee Zone 1 WI MILWWIAU04Z  356      
414-279 1 Milwaukee Zone 1 WI   356   2021-06-24   
415-200 A San Francisco: Central DA CA   722      
415-200 0 San Francisco: Central DA CA   722      
415-200 4 San Francisco: Central DA CA   722      
415-234 1 Ignacio CA   722      
415-234 2 Ignacio CA   722      
415-300 4 San Rafael CA   722      
415-322 1 Mill Valley CA   722      
415-322 2 Mill Valley CA   722      
415-322 4 Mill Valley CA   722      
415-323 1 Nicasio CA   722      
415-323 2 Nicasio CA   722      
415-413 1 Corte Madera CA   722   2003-10-12   
415-413 2 Corte Madera CA   722   2003-10-12   
415-494 4 San Francisco: Juniper DA CA   722   2003-10-12   
415-500 6 San Francisco: Central DA CA   722   2010-12-16   
415-504 9 San Francisco: Montrose-Evergreen DA CA   722   2017-01-24   
415-605 A San Francisco: Central DA CA SNFCCAMKX6Y  722      
415-605 1 San Francisco: Central DA CA   722   2021-01-23   
415-639 1 Inverness CA   722      
415-639 2 Inverness CA   722      
415-684 9 San Francisco: Central DA CA   722   2009-02-18   
415-690 1 Belvedere CA   722   2003-10-12   
415-690 2 Belvedere CA   722   2003-10-12   
415-702 A San Francisco: Montrose-Evergreen DA CA   722      
415-702 1 San Francisco: Montrose-Evergreen DA CA   722      
415-726 5 San Rafael CA   722   2016-10-04   
415-729 6 Sausalito CA SNFCCAMKX6Y  722   2021-05-01   
415-754 1 Sausalito CA   722      
415-754 2 Sausalito CA   722      
415-754 4 Sausalito CA   722      
415-767 5 San Francisco: Central DA CA   722   2013-06-28   
415-873 7 Point Reyes CA SNFCCAMKX6Y  722   2021-05-01   

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Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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