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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 425J CSC WIRELESS, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
551-298 9 Jersey City NJ   224   2019-06-20   
551-314 4 Cliffside NJ   224   2020-01-05   
551-314 5 Cliffside NJ   224   2020-01-10   
551-314 8 Cliffside NJ   224   2020-01-10   
551-314 9 Cliffside NJ   224   2020-01-10   
551-340 7 Hackensack NJ   224   2019-05-26   
551-417 9 Jersey City NJ   224   2025-05-02   
559-209 A Fresno CA FRSNCA01Y1X  728      
559-209 2 Fresno CA   728   2020-04-05   
563-296 A Davenport IA DVNPIADTY0X  634      
563-296 2 Davenport IA   634   2020-09-21   
567-304 A Toledo OH TOLDOH21Y0X  326      
567-304 2 Toledo OH   326   2020-07-11   
567-306 A Mansfield OH MNFDOHXAY0X  923      
567-306 2 Mansfield OH   923   2020-07-11   
573-540 A Columbia MO CLMAMOXAY0X  521      
573-540 2 Columbia MO   521   2020-07-23   
574-352 A Elkhart IN EKHTINXAY0X  332      
574-352 2 Elkhart IN   332   2020-08-17   
575-206 A Texico NM ALBQNMMAY0X  664      
575-206 0 Texico NM   664   2019-07-03   
575-206 2 Texico NM   664   2019-05-11   
580-414 A Weatherford OK ENIDOKMAX0X  536      
580-414 0 Weatherford OK   536   2019-06-28   
580-414 2 Weatherford OK   536   2019-05-17   
585-514 A Rochester NY ROCHNYXAY0X  974      
585-514 2 Rochester NY   974   2020-03-16   
603-255 A Manchester NH MNCHNHCOY0X  122      
603-255 2 Manchester NH   122   2020-04-17   
605-403 A Sioux Falls SD SXFLSDCOY0X  640      
605-403 2 Sioux Falls SD   640   2019-07-20   
606-229 A Stone KY WNCHKYMAY0X  466      
606-229 0 Stone KY   466   2019-06-26   
606-229 2 Stone KY   466   2019-05-12   
606-800 6 Stone KY   466   2024-07-29   
606-800 7 Stone KY   466   2024-08-11   
607-314 A Binghamton NY BNGHNYHYY0X  138      
607-314 2 Binghamton NY   138   2019-12-06   
608-690 A Madison WI MDSNWI11Y0X  354      
608-690 2 Madison WI   354   2020-08-31   
609-208 5 Allentown NJ   222   2019-05-26   
609-934 2 Allentown NJ   222   2019-08-29   
609-982 A Atlantic City NJ PSVLNJPLY0X  220      
609-982 2 Atlantic City NJ   220   2020-04-02   
612-429 A Twin Cities MN STPLMNMKX0X  628      
612-429 2 Twin Cities MN   628   2020-08-31   
616-276 A Alto MI GDRPMIBLY0X  348      
616-276 2 Alto MI   348   2020-08-24   
619-705 A San Diego: San Diego DA CA SNDGCA02Y0X  732      
619-705 2 San Diego: San Diego DA CA   732   2020-04-26   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.