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
202-982 A Washington Zone 1 DC VINNVACBAMD  236      
202-982 0 Washington Zone 1 DC VINNVACBAMD  236   2021-06-06   
203-404 9 New Haven CT   920   2022-07-08   
203-408 4 Redding CT   920   2022-08-15   
203-493 3 Georgetown CT   920   2022-08-04   
203-670 1 Fairfield CT   920   2022-07-22   
203-713 0 Milford CT   920   2022-08-04   
203-801 6 New Canaan CT   920   2022-08-15   
205-284 1 Columbiana AL   476   2026-06-21   
205-284 2 Columbiana AL   476   2026-06-21   
205-294 6 Clanton AL   476   2026-06-21   
205-294 8 Clanton AL   476   2026-06-21   
205-304 7 Dora AL   476   2026-06-28   
205-316 5 Centreville AL   476   2026-06-28   
205-679 1 Montevallo AL   476   2026-06-21   
205-679 2 Montevallo AL   476   2026-06-21   
205-713 2 Cordova AL   476   2026-06-28   
205-724 1 Parrish AL   476   2026-06-28   
205-727 2 Carbon Hill AL   476   2026-06-28   
205-775 4 Chelsea AL   476   2026-06-21   
205-775 5 Chelsea AL   476   2026-06-21   
206-562 A Seattle WA   674   2025-02-02   
206-562 0 Seattle WA   674   2019-05-31   
206-562 1 Seattle WA   674   2019-05-31   
206-562 2 Seattle WA   674   2019-05-31   
206-562 3 Seattle WA   674   2019-05-31   
206-562 4 Seattle WA   674   2019-05-31   
206-562 5 Seattle WA   674   2019-05-31   
206-562 6 Seattle WA   674   2019-05-31   
206-562 7 Seattle WA   674   2019-05-31   
206-562 8 Seattle WA   674   2019-05-31   
206-562 9 Seattle WA   674   2019-05-31   
206-638 A Seattle WA STTLWAWB22Z  674      
206-638 1 Seattle WA STTLWAWB22Z  674   2021-04-23   
206-665 7 Seattle WA   674   2018-11-12   
206-665 8 Seattle WA   674   2018-11-12   
206-707 A Seattle WA STTLWAWB22Z  674      
206-707 0 Seattle WA   674   2009-08-20   
206-707 7 Seattle WA   674   2009-08-21   
206-717 9 Seattle WA   674   2016-04-28   
206-743 3 Seattle WA STTLWAWB22Z  674   2011-02-22   
208-214 1 Harrison ID   960   2022-06-12   
208-252 3 Pocatello ID   652   2022-06-02   
208-280 4 Twin Falls ID   652   2022-06-02   
208-291 2 Payette ID   652   2022-06-14   
208-306 1 Priest River ID   960   2022-06-04   
208-309 7 Ketchum ID   652   2022-06-02   
208-464 3 Pierce ID   960   2022-06-12   
208-470 9 Rathdrum ID   960   2022-06-04   
208-486 1 Peck ID   960   2022-06-12   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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