Local Calling Guide

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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
956-957 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 HRFRCTBC6MD  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 HRFRCTBC6MD  920   2024-08-13   
959-238 8 Putnam CT HRFRCTBC6MD  920   2024-07-18   
959-243 0 Rockville CT   920   2022-08-08   
959-244 0 Farmington CT HRFRCTBC6MD  920   2024-07-06   
959-253 0 Plainfield CT HRFRCTBC6MD  920   2024-07-18   
959-260 8 Willimantic CT HRFRCTBC6MD  920   2024-07-19   
959-261 9 Southington CT HRFRCTBC6MD  920   2024-07-18   
959-263 0 Deep River CT HRFRCTBC6MD  920   2024-07-05   
959-266 0 Pawcatuck CT HRFRCTBC6MD  920   2024-07-18   
959-268 A Glastonbury CT HRFRCTBC6MD  920   2024-08-03   
959-268 1 Glastonbury CT HRFRCTBC6MD  920   2024-08-03   
959-269 8 North Thompson CT HRFRCTBC6MD  920   2024-07-18   
959-356 1 Haddam CT HRFRCTBC6MD  920   2024-07-12   
959-410 4 Colchester CT HRFRCTBC6MD  920   2024-08-13   
959-426 1 Coventry CT HRFRCTBC6MD  920   2024-07-05   
959-466 9 Washington CT HRFRCTBC6MD  920   2024-07-19   
959-516 0 Kent CT HRFRCTBC6MD  920   2024-07-31   
959-566 2 Lebanon CT HRFRCTBC6MD  920   2024-08-13   
959-588 9 Niantic CT HRFRCTBC6MD  920   2024-07-18   
959-610 8 Harwinton CT HRFRCTBC6MD  920   2024-07-15   
959-678 0 Killingworth CT HRFRCTBC6MD  920   2024-07-15   
959-716 0 New London CT   920   2022-08-08   
959-810 9 Moodus CT HRFRCTBC6MD  920   2024-07-15   
959-837 1 Norwich CT   920   2022-08-08   
959-866 8 Canton CT HRFRCTBC6MD  920   2024-07-11   
959-885 0 Enfield CT HRFRCTBC6MD  920   2024-07-11   
959-910 9 Mystic CT HRFRCTBC6MD  920   2024-08-13   
959-912 8 Canterbury CT HRFRCTBC6MD  920   2024-07-08   
959-916 9 Thomaston CT HRFRCTBC6MD  920   2024-07-08   
959-922 8 East Hampton CT HRFRCTBC6MD  920   2024-07-05   
959-933 9 Winsted CT HRFRCTBC6MD  920   2024-07-19   
959-936 0 Lyme CT HRFRCTBC6MD  920   2024-07-15   
959-946 9 Stafford Springs CT HRFRCTBC6MD  920   2024-07-25   
959-949 3 Jewett City CT HRFRCTBC6MD  920   2024-08-13   
959-952 4 Sharon CT HRFRCTBC6MD  920   2024-07-18   
959-966 0 Lakeville CT HRFRCTBC6MD  920   2024-07-15   
959-988 8 Torrington CT HRFRCTBC6MD  920   2024-07-19   
970-281 1 Fraser CO   656   2022-09-17   
970-299 0 Cortez CO   656   2022-04-29   
970-418 8 Dillon CO   656   2022-04-29   

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

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