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: 7421 AT&T - LOCAL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
952-324 3 Twin Cities MN GLVYMNORVMD  628      
952-324 8 Twin Cities MN GLVYMNORVMD  628      
952-324 9 Twin Cities MN GLVYMNORVMD  628      
952-367 A Twin Cities MN GLVYMNORVMD  628      
952-367 0 Twin Cities MN GLVYMNORVMD  628      
952-367 1 Twin Cities MN GLVYMNORVMD  628      
952-367 3 Twin Cities MN GLVYMNORVMD  628      
952-367 5 Twin Cities MN GLVYMNORVMD  628      
952-367 8 Twin Cities MN GLVYMNORVMD  628      
952-769 A Twin Cities MN GLVYMNORVMD  628      
952-769 0 Twin Cities MN GLVYMNORVMD  628      
952-769 1 Twin Cities MN GLVYMNORVMD  628      
952-769 2 Twin Cities MN GLVYMNORVMD  628      
952-769 5 Twin Cities MN GLVYMNORVMD  628      
952-769 8 Twin Cities MN GLVYMNORVMD  628      
954-940 A Fort Lauderdale FL FTLDFLOVDS2  46017      
954-940 9 Fort Lauderdale FL FTLDFLOVDS2  46017      
956-217 8 McAllen TX HRLNTXATJMD  568   2009-04-06   
956-243 A Brownsville TX HRLNTXAT1MD  568      
956-243 9 Brownsville TX HRLNTXAT1MD  568      
956-319 A Laredo TX LARDTXAC1MD  566      
956-319 9 Laredo TX LARDTXAC1MD  566      
956-637 A Rio Hondo TX HRLNTXATZMD  568      
956-637 9 Rio Hondo TX HRLNTXATZMD  568   2021-06-17   
956-734 A Harlingen TX HRLNTXAT1MD  568      
956-734 9 Harlingen TX HRLNTXAT1MD  568      
956-788 A San Benito TX HRLNTXATJMD  568      
956-788 9 San Benito TX HRLNTXATJMD  568      
959-678 A Killingworth CT NWHNCT02XOX  920      
959-678 9 Killingworth CT NWHNCT02XOX  920   2022-08-21   
970-343 A Vail CO DNVRCOMAX0X  656      
970-343 1 Vail CO DNVRCOMAX0X  656      
970-439 A Steamboat Springs CO DNVRCOMA33Z  656      
970-439 9 Steamboat Springs CO DNVRCOMAX5Z  656   2006-01-12   
972-246 A Dallas TX DLLSTXRIXPZ  552      
972-246 0 Dallas TX DLLSTXRIXPZ  552      
972-246 1 Dallas TX DLLSTXRIXPZ  552      
972-246 2 Dallas TX DLLSTXRIXPZ  552      
972-246 3 Dallas TX DLLSTXRIXPZ  552      
972-246 4 Dallas TX DLLSTXRIXPZ  552      
972-246 5 Dallas TX DLLSTXRIXPZ  552      
972-246 6 Dallas TX DLLSTXRIXPZ  552      
972-332 A Allen EACS TX DLLSTXRIXPZ  552      
972-332 9 Allen EACS TX DLLSTXRIXPZ  552      
972-531 A Plano TX DLLSTXRIXPZ  552      
972-697 A Grand Prairie TX DLLSTXRIXPZ  552      
972-697 0 Grand Prairie TX DLLSTXRIXPZ  552      
972-697 2 Grand Prairie TX DLLSTXRIXPZ  552      
972-697 4 Grand Prairie TX DLLSTXRIXPZ  552      
972-750 A Terrell TX DLLSTXRIXPZ  552      
972-750 5 Terrell TX DLLSTXRIXPZ  552   2006-09-14   
973-240 A Whippany NJ NWRKNJ02Y8X  224      
973-240 4 Whippany NJ NWRKNJ02Y8X  224      
973-241 A Bernardsville NJ RCPKNJ02XGY  224      
973-241 9 Bernardsville NJ RCPKNJ02XGY  224      
973-251 A Livingston NJ RCPKNJ02XGY  224      
973-251 1 Livingston NJ RCPKNJ02XGY  224      
973-251 3 Livingston NJ RCPKNJ02XGY  224      
973-264 A Madison NJ NWRKNJ02Y8X  224      
973-264 2 Madison NJ NWRKNJ02Y8X  224      
973-265 A Boonton NJ RCPKNJ02XGY  224      
973-265 3 Boonton NJ RCPKNJ02XGY  224      
973-287 A Caldwell NJ NWRKNJ02Y8X  224      
973-287 1 Caldwell NJ NWRKNJ02Y8X  224      
973-337 A Bloomfield NJ RCPKNJ02XGY  224      
973-337 4 Bloomfield NJ RCPKNJ02XGY  224      
973-339 A Little Falls NJ CDKNNJCKAMD  224      
973-339 2 Little Falls NJ CDKNNJCKAMD  224      
973-341 A Paterson NJ CDKNNJCKAMD  224      
973-341 8 Paterson NJ CDKNNJCKAMD  224      
973-348 A Bernardsville NJ RCPKNJ02XGY  224      
973-348 1 Bernardsville NJ RCPKNJ02XGY  224      
973-355 A Morristown NJ RCPKNJ02XGY  224      
973-355 3 Morristown NJ RCPKNJ02XGY  224      
973-355 9 Morristown NJ RCPKNJ02XGY  224      
973-406 A Mountain View NJ CDKNNJCKAMD  224      
973-406 3 Mountain View NJ CDKNNJCKAMD  224      
973-446 4 Netcong NJ RCPKNJ02XGY  224   2003-02-17   
973-602 A Whippany NJ NWRKNJ02Y8X  224      
973-602 1 Whippany NJ NWRKNJ02Y8X  224      
973-607 A Dover NJ NWRKNJ02Y8X  224      
973-607 5 Dover NJ NWRKNJ02Y8X  224      
973-637 A Whippany NJ NWRKNJ02Y8X  224      
973-637 5 Whippany NJ NWRKNJ02Y8X  224      
973-637 9 Whippany NJ NWRKNJ02Y8X  224      
973-647 A Morristown NJ RCPKNJ02XGY  224      
973-647 1 Morristown NJ RCPKNJ02XGY  224      
973-820 A Newark NJ RCPKNJ02XGY  224      
973-820 0 Newark NJ RCPKNJ02XGY  224      
973-820 2 Newark NJ RCPKNJ02XGY  224      
978-449 2 Groton MA FRMNMAWADS0  128      
978-449 3 Groton MA FRMNMAWADS0  128      
978-489 A Acton MA FRMNMAWADS0  128      
978-489 0 Acton MA FRMNMAWADS0  128      
978-489 1 Acton MA FRMNMAWADS0  128      
978-494 A Andover MA FRMNMAWAGMD  128      
978-495 A Billerica MA FRMNMAWAGMD  128      
978-495 9 Billerica MA FRMNMAWAGMD  128      
978-522 A Beverly MA FRMNMAWAGMD  128      
978-522 7 Beverly MA FRMNMAWAGMD  128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.