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
410-401 6 Brooklyn Park-Linthicum MD   238   2016-10-14   
410-508 9 Glen Burnie MD   238   2016-05-31   
410-565 8 Arbutus MD   238   2015-03-23   
410-583 3 Towson MD   238   2019-04-26   
410-696 0 Ellicott City MD   238   2016-05-31   
410-705 9 Waterloo (Washington DC LATA) MD   236   2015-03-21   
412-212 5 Pittsburgh Suburban Zone 12 PA   234   2020-06-14   
412-212 9 Pittsburgh Suburban Zone 12 PA   234   2016-05-21   
412-247 8 Pittsburgh Zone 4 PA   234   2016-05-21   
412-254 0 Pittsburgh Zone 6 PA   234   2018-01-11   
412-275 1 Pittsburgh Suburban Zone 14 PA   234   2013-04-29   
412-283 3 Pittsburgh Suburban Zone 12 PA   234   2018-12-10   
412-283 8 Pittsburgh Suburban Zone 12 PA   234   2013-08-29   
412-293 7 Pittsburgh Suburban Zone 14 PA   234   2020-05-23   
412-293 8 Pittsburgh Suburban Zone 14 PA   234   2020-05-23   
412-306 8 Pittsburgh Zone 6 PA   234   2018-01-11   
412-308 0 Pittsburgh Suburban Zone 12 PA   234   2017-07-13   
412-308 4 Pittsburgh Suburban Zone 12 PA   234   2018-12-10   
412-313 2 Pittsburgh Zone 2 PA   234   2013-04-29   
412-314 9 Pittsburgh Suburban Zone 10 PA   234   2016-05-21   
412-376 1 Pittsburgh Suburban Zone 22 PA   234   2013-08-29   
412-406 9 Pittsburgh Suburban Zone 19 PA   234   2018-01-07   
412-409 0 Pittsburgh Suburban Zone 12 PA   234   2018-01-11   
412-409 8 Pittsburgh Suburban Zone 12 PA   234   2018-01-11   
412-410 0 Pittsburgh Zone 1 PA   234   2016-05-21   
412-436 7 Pittsburgh Zone 4 PA   234   2020-05-23   
412-436 8 Pittsburgh Zone 4 PA   234   2020-05-23   
412-448 0 Pittsburgh Zone 5 PA   234   2015-03-28   
412-448 7 Pittsburgh Zone 5 PA   234   2020-05-23   
412-449 2 Pittsburgh Zone 3 PA   234   2013-04-29   
412-451 0 Pittsburgh Zone 5 PA   234   2016-05-21   
412-458 9 Pittsburgh Zone 7 PA   234   2013-08-29   
412-465 7 Pittsburgh Suburban Zone 10 PA   234   2013-08-29   
412-473 9 Pittsburgh Zone 4 PA   234   2013-08-29   
412-476 9 Pittsburgh Zone 5 PA   234   2020-05-23   
412-502 1 Pittsburgh Zone 6 PA   234   2013-04-29   
412-503 0 Pittsburgh Zone 7 PA   234   2018-01-11   
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   
413-389 A Springfield MA SPFDMAWOXGX  126      
413-389 1 Springfield MA   126   2020-10-30   
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      

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Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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