Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 475J CALLWORKS CORPORATION

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-487 1 Baltimore MD   238   2024-07-11   
667-488 A Salisbury MD SLBRMDXZ4MD  242   2024-07-11   
667-488 1 Salisbury MD   242   2024-07-11   
680-302 A Syracuse NY SYRCNY904MD  136   2024-05-23   
680-302 1 Syracuse NY   136   2024-05-23   
689-319 A Orlando FL ORLDFL60XFY  45806      
689-319 1 Orlando FL   45806   2023-12-10   
703-512 A Washington Zone 8 VA VINNVACBCMD  236      
703-512 1 Washington Zone 8 VA   236   2023-11-30   
716-750 A Buffalo NY BFLONYMEAMD  140   2024-05-23   
716-750 1 Buffalo NY   140   2024-05-23   
725-326 A Las Vegas NV LSVKNV97EMD  721   2024-03-22   
725-326 1 Las Vegas NV   721   2024-03-22   
726-204 A San Antonio TX SNANTXCA92Z  566      
726-204 1 San Antonio TX   566   2021-06-21   
730-225 A Cairo IL CRDLILABX5X  362      
730-225 1 Cairo IL   362   2023-11-27   
737-309 A Austin TX AUSTTXGR67Z  558      
737-309 1 Austin TX   558   2021-12-31   
762-377 A Augusta GA AGSUGAEZ3MD  442      
762-377 1 Augusta GA   442   2023-12-17   
769-228 A Jackson MS JCSNMS60X2X  482      
769-228 1 Jackson MS   482   2023-07-14   
775-528 A Reno NV RENQNVDD3MD  720   2024-03-22   
775-528 1 Reno NV   720   2024-03-22   
779-373 A Rockford IL RCFRILRCXFX  360      
779-373 1 Rockford IL   360   2023-09-10   
786-984 A Miami FL MIAMFL98XCX  46017      
786-984 1 Miami FL   46017   2023-12-09   
804-857 A Richmond VA RCMDVAUIDMD  248      
804-857 1 Richmond VA   248   2023-12-01   
806-560 A Amarillo TX AMRLTXDRX3X  546      
806-560 1 Amarillo TX   546   2022-05-05   
808-849 A Honolulu HI HNLLHIELRMD  834   2024-09-29   
808-849 1 Honolulu HI   834   2024-09-29   
816-938 A Kansas City MO KSCYMO03IMD  524   2024-01-06   
816-938 1 Kansas City MO   524   2024-01-06   
826-225 A Culpeper VA CLPPVABH0MD  246      
826-225 1 Culpeper VA   246   2023-12-07   
826-228 A Harrisonburg VA HRBGVABFAMD  927      
826-228 1 Harrisonburg VA   927   2023-12-07   
826-229 A Roanoke VA RONKVA95FMD  244      
826-229 1 Roanoke VA   244   2023-12-01   
838-284 A Albany NY ALBYNY734MD  134   2024-05-23   
838-284 1 Albany NY   134   2024-05-23   
839-292 A Columbia SC CLMASCRJ3MD  434   2024-09-29   
839-292 1 Columbia SC   434   2024-09-29   
854-276 A Charleston SC CHTNSCPSX0Z  436   2024-09-29   
854-276 1 Charleston SC   436   2024-09-29   
856-601 A Camden NJ CMDNNJ210MD  222   2024-03-10   

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

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