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
956-719 1 Rio Hondo TX   568   2025-05-04   
956-719 2 Rio Hondo TX   568   2025-05-04   
956-741 5 Mercedes TX   568   2025-05-04   
956-741 6 Mercedes TX   568   2025-05-04   
956-745 0 Falcon Heights TX   568   2023-12-28   
956-745 1 Falcon Heights TX   568   2023-12-28   
956-745 3 Falcon Heights TX   568   2025-05-04   
956-745 4 Falcon Heights TX   568   2025-05-04   
956-761 9 Port Isabel TX   568   2025-05-04   
956-788 6 San Benito TX   568   2025-05-04   
956-788 7 San Benito TX   568   2025-05-04   
956-807 6 Donna TX   568   2024-06-24   
956-807 7 Donna TX   568   2024-06-24   
956-823 2 Donna TX   568   2025-05-04   
956-823 3 Donna TX   568   2025-05-04   
956-848 0 Falcon Heights TX   568   2022-03-31   
956-934 3 San Benito TX   568   2023-12-28   
956-943 8 Port Isabel TX   568   2025-05-04   
956-953 2 Los Fresnos TX   568   2025-05-04   
956-953 3 Los Fresnos TX   568   2025-05-04   
956-957 6 Edinburg TX   568   2022-03-31   
956-991 A Edinburg TX   568   2025-06-01   
956-991 1 Edinburg TX   568   2025-06-01   
956-991 2 Edinburg TX   568   2025-06-01   
956-993 A Brownsville TX   568   2025-06-01   
956-993 1 Brownsville TX   568   2025-06-01   
956-993 2 Brownsville TX   568   2025-06-01   
959-220 1 Essex CT   920   2024-07-05   
959-221 A Hartford CT HRFRCTBC6MD  920      
959-221 1 Hartford CT   920   2021-05-23   
959-234 4 Norwich CT   920   2024-08-13   
959-238 8 Putnam CT   920   2024-07-18   
959-243 0 Rockville CT   920   2022-08-08   
959-244 0 Farmington CT   920   2024-07-06   
959-253 0 Plainfield CT   920   2024-07-18   
959-260 8 Willimantic CT   920   2024-07-19   
959-261 9 Southington CT   920   2024-07-18   
959-263 0 Deep River CT   920   2024-07-05   
959-266 0 Pawcatuck CT   920   2024-07-18   
959-268 A Glastonbury CT HRFRCTBC6MD  920   2024-08-03   
959-268 1 Glastonbury CT   920   2024-08-03   
959-269 8 North Thompson CT   920   2024-07-18   
959-356 1 Haddam CT   920   2024-07-12   
959-410 4 Colchester CT   920   2024-08-13   
959-426 1 Coventry CT   920   2024-07-05   
959-466 9 Washington CT   920   2024-07-19   
959-516 0 Kent CT   920   2024-07-31   
959-566 2 Lebanon CT   920   2024-08-13   
959-588 9 Niantic CT   920   2024-07-18   
959-610 8 Harwinton CT   920   2024-07-15   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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