Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 490J BOOST SUBSCRIBERCO L.L.C.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-409 1 Edinburg TX HRLNTXDU5MD  568   2026-07-22   
956-409 2 Edinburg TX HRLNTXDU5MD  568   2026-10-21   
956-507 3 Harlingen TX HRLNTXDU5MD  568   2022-07-01   
956-587 7 Edinburg TX HRLNTXDU5MD  568   2024-12-18   
956-634 9 Mercedes TX HRLNTXDU5MD  568   2022-07-01   
956-670 A Edinburg TX HRLNTXDU5MD  568      
956-670 9 Edinburg TX HRLNTXDU5MD  568   2022-04-03   
956-674 A Los Fresnos TX HRLNTXDU5MD  568      
956-674 6 Los Fresnos TX HRLNTXDU5MD  568   2025-08-18   
956-674 9 Los Fresnos TX HRLNTXDU5MD  568   2022-05-01   
956-675 A Lyford TX HRLNTXDU5MD  568      
956-675 9 Lyford TX HRLNTXDU5MD  568   2022-05-01   
956-736 A Laredo TX SNANTXCA94Z  566      
956-736 0 Laredo TX SNANTXCA94Z  566   2023-09-01   
956-779 9 Sullivan City TX HRLNTXDU5MD  568   2022-06-07   
956-835 0 Laredo TX SNANTXCA94Z  566   2026-03-26   
956-927 7 Pharr TX HRLNTXDU5MD  568   2024-04-28   
959-225 9 New Britain CT HRFRCT0389Z  920   2022-05-22   
959-236 A Hartford CT HRFRCT0389Z  920      
959-236 9 Hartford CT HRFRCT0389Z  920   2022-02-07   
959-238 7 Putnam CT HRFRCT0389Z  920   2024-07-08   
959-246 5 Middletown CT HRFRCT0389Z  920   2024-03-29   
959-247 3 Norwich CT HRFRCT0389Z  920   2023-03-12   
959-247 6 Norwich CT HRFRCT0389Z  920   2023-07-03   
959-255 1 Hartford CT HRFRCT0389Z  920   2024-07-25   
959-261 4 Southington CT HRFRCT0389Z  920   2022-05-21   
959-262 7 Hartford CT HRFRCT0389Z  920   2024-07-07   
959-278 A Hartford CT HRFRCT0389Z  920   2025-10-02   
959-278 6 Hartford CT HRFRCT0389Z  920   2026-07-13   
959-278 8 Hartford CT HRFRCT0389Z  920   2025-12-22   
959-278 9 Hartford CT HRFRCT0389Z  920   2025-10-02   
959-279 6 Hartford CT HRFRCT0389Z  920   2026-09-28   
959-410 3 Colchester CT HRFRCT0389Z  920   2023-06-26   
959-465 0 Watertown CT HRFRCT0389Z  920   2023-05-26   
959-466 7 Washington CT HRFRCT0389Z  920   2024-07-11   
959-516 1 Kent CT HRFRCT0389Z  920   2023-05-29   
959-610 1 Harwinton CT HRFRCT0389Z  920   2022-12-20   
959-746 9 Old Saybrook CT HRFRCT0389Z  920   2022-12-12   
959-763 1 Danielson CT HRFRCT0389Z  920   2023-06-15   
970-212 8 Fort Collins CO DNVRCO2669Z  656   2022-08-28   
970-643 2 Greeley CO DNVRCO2669Z  656   2024-05-04   
970-851 2 Fort Collins CO DNVRCO2669Z  656   2024-12-03   
970-902 A Grand Junction CO DNVRCO2669Z  656      
970-902 9 Grand Junction CO DNVRCO2669Z  656   2022-03-04   
970-905 A Fruita CO DNVRCO2669Z  656   2024-06-08   
970-905 0 Fruita CO DNVRCO2669Z  656   2024-06-08   
970-910 5 Greeley CO DNVRCO2669Z  656   2025-05-05   
971-443 0 Salem OR PTLDOR13XMX  672   2023-06-18   
971-443 3 Salem OR PTLDOR13XMX  672   2025-08-04   
971-668 3 Rainier OR PTLDOR13XMX  672   2023-06-23   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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