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: 425J CSC WIRELESS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
516-709 5 Nassau Zone 4 NY WHPLNYGRX0X  132   2019-07-15   
516-709 6 Nassau Zone 4 NY WHPLNYGRX0X  132   2019-08-15   
516-709 7 Nassau Zone 4 NY WHPLNYGRX0X  132   2019-08-15   
516-709 8 Nassau Zone 4 NY WHPLNYGRX0X  132   2019-07-08   
516-709 9 Nassau Zone 4 NY WHPLNYGRX0X  132   2019-07-18   
516-836 A Nassau Zone 3 NY WHPLNYGRX0X  132      
516-836 0 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-02-14   
516-836 1 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-02-14   
516-836 2 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-02-14   
516-836 3 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-02-14   
516-836 4 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-03-14   
516-836 5 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-03-14   
516-836 6 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-03-14   
516-836 7 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-04-14   
516-836 8 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-04-14   
516-836 9 Nassau Zone 3 NY WHPLNYGRX0X  132   2020-04-14   
516-916 0 Nassau Zone 1 NY WHPLNYGRX0X  132   2019-06-13   
516-916 1 Nassau Zone 1 NY WHPLNYGRX0X  132   2019-06-13   
516-916 3 Nassau Zone 1 NY WHPLNYGRX0X  132   2020-01-23   
516-916 8 Nassau Zone 1 NY WHPLNYGRX0X  132   2019-06-13   
516-953 7 Nassau Zone 4 NY WHPLNYGRX0X  132   2019-08-15   
517-216 A Lansing MI LNNGMIMNY0X  346      
517-216 2 Lansing MI LNNGMIMNY0X  346   2020-08-24   
518-592 8 Millerton NY ALBYNYSSY0X  134   2019-05-25   
520-475 A Tucson AZ TCSNAZMAY0X  668      
520-475 2 Tucson AZ TCSNAZMAY0X  668   2020-08-04   
530-606 A Truckee CA SCRMCA01Y0X  726      
530-606 2 Truckee CA SCRMCA01Y0X  726   2019-05-16   
530-606 7 Truckee CA SCRMCA01Y0X  726   2019-07-13   
530-606 8 Truckee CA SCRMCA01Y0X  726   2019-08-13   
531-247 A Omaha NE OMAHNENWY0X  644      
531-247 2 Omaha NE OMAHNENWY0X  644   2020-08-24   
534-200 A Eau Claire WI EUCLWI01Y0X  352      
534-200 2 Eau Claire WI EUCLWI01Y0X  352   2020-09-21   
539-228 A Grove OK TULSOKTBY0X  538      
539-228 0 Grove OK TULSOKTBY0X  538   2019-08-30   
539-228 2 Grove OK TULSOKTBY0X  538   2019-05-17   
540-475 A Narrows VA RONKVALKY0X  244      
540-475 0 Narrows VA RONKVALKY0X  244   2019-07-04   
540-475 2 Narrows VA RONKVALKY0X  244   2019-04-18   
540-575 A Harrisonburg VA HRBGVAXAY0X  927      
540-575 2 Harrisonburg VA HRBGVAXAY0X  927   2020-04-10   
540-706 A Fredericksburg VA FRBGVAFBY0X  246      
540-706 2 Fredericksburg VA FRBGVAFBY0X  246   2019-11-23   
540-787 8 Pearisburg VA RONKVALKY0X  244   2019-06-01   
540-787 9 Pearisburg VA RONKVALKY0X  244   2019-06-28   
551-286 0 Hackensack NJ PRNYNJFPX0X  224   2019-09-20   
551-286 4 Hackensack NJ PRNYNJFPX0X  224   2019-09-20   
551-286 5 Hackensack NJ PRNYNJFPX0X  224   2019-09-20   
551-298 A Jersey City NJ PRNYNJFPX0X  224      
551-298 2 Jersey City NJ PRNYNJFPX0X  224   2019-05-02   
551-298 6 Jersey City NJ PRNYNJFPX0X  224   2019-07-15   
551-298 7 Jersey City NJ PRNYNJFPX0X  224   2019-08-15   
551-298 8 Jersey City NJ PRNYNJFPX0X  224   2019-06-20   
551-298 9 Jersey City NJ PRNYNJFPX0X  224   2019-06-20   
551-314 4 Cliffside NJ PRNYNJFPX0X  224   2020-01-05   
551-314 5 Cliffside NJ PRNYNJFPX0X  224   2020-01-10   
551-314 8 Cliffside NJ PRNYNJFPX0X  224   2020-01-10   
551-314 9 Cliffside NJ PRNYNJFPX0X  224   2020-01-10   
551-340 7 Hackensack NJ PRNYNJFPX0X  224   2019-05-26   
551-417 9 Jersey City NJ PRNYNJFPX0X  224   2025-05-02   
551-431 2 Jersey City NJ   224   2026-10-29   
551-431 3 Jersey City NJ   224   2026-10-29   
551-431 4 Jersey City NJ   224   2026-10-29   
551-440 3 Hackensack NJ   224   2026-11-02   
551-440 4 Hackensack NJ   224   2026-11-02   
551-440 5 Hackensack NJ   224   2026-11-02   
559-209 A Fresno CA FRSNCA01Y1X  728      
559-209 2 Fresno CA FRSNCA01Y1X  728   2020-04-05   
563-296 A Davenport IA DVNPIADTY0X  634      
563-296 2 Davenport IA DVNPIADTY0X  634   2020-09-21   
567-304 A Toledo OH TOLDOH21Y0X  326      
567-304 2 Toledo OH TOLDOH21Y0X  326   2020-07-11   
567-306 A Mansfield OH MNFDOHXAY0X  923      
567-306 2 Mansfield OH MNFDOHXAY0X  923   2020-07-11   
573-540 A Columbia MO CLMAMOXAY0X  521      
573-540 2 Columbia MO CLMAMOXAY0X  521   2020-07-23   
574-352 A Elkhart IN EKHTINXAY0X  332      
574-352 2 Elkhart IN EKHTINXAY0X  332   2020-08-17   
575-206 A Texico NM ALBQNMMAY0X  664      
575-206 0 Texico NM ALBQNMMAY0X  664   2019-07-03   
575-206 2 Texico NM ALBQNMMAY0X  664   2019-05-11   
580-414 A Weatherford OK ENIDOKMAX0X  536      
580-414 0 Weatherford OK ENIDOKMAX0X  536   2019-06-28   
580-414 2 Weatherford OK ENIDOKMAX0X  536   2019-05-17   
585-514 A Rochester NY ROCHNYXAY0X  974      
585-514 2 Rochester NY ROCHNYXAY0X  974   2020-03-16   
603-255 A Manchester NH MNCHNHCOY0X  122      
603-255 2 Manchester NH MNCHNHCOY0X  122   2020-04-17   
605-403 A Sioux Falls SD SXFLSDCOY0X  640      
605-403 2 Sioux Falls SD SXFLSDCOY0X  640   2019-07-20   
606-229 A Stone KY WNCHKYMAY0X  466      
606-229 0 Stone KY WNCHKYMAY0X  466   2019-06-26   
606-229 2 Stone KY WNCHKYMAY0X  466   2019-05-12   
606-800 3 Stone KY   466   2026-10-29   
606-800 4 Stone KY   466   2026-10-29   
606-800 6 Stone KY WNCHKYMAY0X  466   2024-07-29   
606-800 7 Stone KY WNCHKYMAY0X  466   2024-08-11   
607-314 A Binghamton NY BNGHNYHYY0X  138      
607-314 2 Binghamton NY BNGHNYHYY0X  138   2019-12-06   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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