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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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
318-835 8 Minden LA ALXNLAMAY0X  486   2024-07-31   
318-835 9 Minden LA ALXNLAMAY0X  486   2024-08-31   
319-304 A Cedar Rapids IA CDRRIADTY0X  635      
319-304 2 Cedar Rapids IA CDRRIADTY0X  635   2020-09-21   
320-437 A St Cloud MN STCDMNTOY0X  626      
320-437 2 St Cloud MN STCDMNTOY0X  626   2020-09-21   
325-249 9 San Angelo TX   961   2026-10-30   
325-253 A San Angelo TX SANGTXXAY0X  961      
325-253 2 San Angelo TX SANGTXXAY0X  961   2019-05-11   
325-253 8 San Angelo TX SANGTXXAY0X  961   2019-06-06   
325-273 A Sweetwater TX ABLNTXORY0X  550      
325-273 0 Sweetwater TX ABLNTXORY0X  550   2019-07-04   
325-273 1 Sweetwater TX ABLNTXORY0X  550   2019-07-04   
325-273 2 Sweetwater TX ABLNTXORY0X  550   2019-05-16   
325-273 3 Sweetwater TX ABLNTXORY0X  550   2019-07-22   
325-363 2 Sweetwater TX   550   2026-10-30   
325-363 3 Sweetwater TX   550   2026-10-30   
329-209 A Brewster NY WHPLNYGRX0X  132   2024-03-01   
329-209 0 Brewster NY WHPLNYGRX0X  132   2024-03-01   
329-209 1 Brewster NY WHPLNYGRX0X  132   2024-03-01   
329-209 2 Brewster NY WHPLNYGRX0X  132   2024-03-01   
329-209 4 Brewster NY   132   2026-09-26   
329-209 5 Brewster NY   132   2026-09-26   
329-209 6 Brewster NY   132   2026-09-26   
329-229 1 Poughkeepsie NY   133   2026-10-29   
329-229 8 Poughkeepsie NY   133   2026-10-29   
329-242 8 Suffern NY   132   2026-10-29   
329-242 9 Suffern NY   132   2026-10-29   
332-210 A New York City Zone 01 NY WHPLNYGRX0X  132      
332-210 0 New York City Zone 01 NY WHPLNYGRX0X  132   2019-07-15   
332-210 1 New York City Zone 01 NY WHPLNYGRX0X  132   2019-07-25   
332-210 2 New York City Zone 01 NY WHPLNYGRX0X  132   2019-08-15   
332-210 3 New York City Zone 01 NY WHPLNYGRX0X  132   2019-08-25   
334-746 A Montgomery AL MTGMALMTYXX  478      
334-746 2 Montgomery AL MTGMALMTYXX  478   2020-08-31   
337-214 8 Lake Charles LA LKCHLADTY0X  488   2025-04-19   
337-425 1 Lake Charles LA LKCHLADTY0X  488   2025-04-25   
337-425 8 Lake Charles LA LKCHLADTY0X  488   2025-05-01   
337-489 0 Lake Charles LA LKCHLADTY0X  488   2024-07-25   
337-489 1 Lake Charles LA LKCHLADTY0X  488   2024-07-31   
337-496 1 Lake Charles LA   488   2026-09-29   
337-529 1 Lake Charles LA   488   2026-09-29   
337-549 A Lake Charles LA LKCHLADTY0X  488      
337-549 0 Lake Charles LA LKCHLADTY0X  488   2019-07-15   
337-549 2 Lake Charles LA LKCHLADTY0X  488   2019-05-12   
337-549 3 Lake Charles LA LKCHLADTY0X  488   2019-07-15   
346-364 7 Cleveland TX NCGDTXNCX0X  560   2019-06-20   
346-825 3 Cleveland TX NCGDTXNCX0X  560   2025-04-16   
346-825 4 Cleveland TX NCGDTXNCX0X  560   2025-04-28   
347-516 7 New York City Zone 03 NY WHPLNYGRX0X  132   2023-04-02   
347-970 4 New York City Zone 10 NY WHPLNYGRX0X  132   2019-05-30   
352-659 A Ocala FL GSVLFLMAY0X  45403      
352-659 2 Ocala FL GSVLFLMAY0X  45403   2020-08-17   
361-363 A Victoria TX CRCHTXTUY0X  564      
361-363 0 Victoria TX CRCHTXTUY0X  564   2019-07-10   
361-363 2 Victoria TX CRCHTXTUY0X  564   2019-05-16   
363-224 6 Nassau Zone 3 NY   132   2026-10-29   
363-224 7 Nassau Zone 3 NY   132   2026-10-29   
363-224 8 Nassau Zone 3 NY   132   2026-10-29   
363-224 9 Nassau Zone 3 NY   132   2026-10-29   
364-203 A Bowling Green KY BWLGKYMAY0X  464      
364-203 2 Bowling Green KY BWLGKYMAY0X  464   2020-08-03   
385-354 A Salt Lake City UT SLKCUTMAY0X  660      
385-354 2 Salt Lake City UT SLKCUTMAY0X  660   2020-08-27   
386-285 A Daytona Beach FL DYBHFLPOY0X  45601      
386-285 2 Daytona Beach FL DYBHFLPOY0X  45601   2020-08-28   
401-291 A Providence RI PRVDRIWAY0X  130      
401-291 2 Providence RI PRVDRIWAY0X  130   2020-04-17   
405-854 0 Stillwater OK ENIDOKMAX0X  536   2019-06-14   
405-854 1 Stillwater OK ENIDOKMAX0X  536   2019-06-14   
406-401 A Great Falls MT GRFLMTMAX0X  648      
406-401 2 Great Falls MT GRFLMTMAX0X  648   2019-07-20   
406-409 A Billings MT BLNGMTASX0X  650      
406-409 2 Billings MT BLNGMTASX0X  650   2019-07-20   
409-257 A Beaumont TX BUMTTXTEY0X  562      
409-257 2 Beaumont TX BUMTTXTEY0X  562   2020-08-03   
413-361 A Springfield MA SPFDMAWOY0X  126      
413-361 2 Springfield MA SPFDMAWOY0X  126   2020-04-17   
417-412 A Branson MO BASNMOXAY0X  522      
417-412 0 Branson MO BASNMOXAY0X  522   2019-07-15   
417-412 1 Branson MO BASNMOXAY0X  522   2019-07-15   
417-412 2 Branson MO BASNMOXAY0X  522   2019-05-12   
417-412 3 Branson MO BASNMOXAY0X  522   2019-07-15   
417-696 8 Branson MO   522   2026-10-30   
417-696 9 Branson MO   522   2026-10-30   
423-654 A Chattanooga TN CHTGTNNSY0X  472      
423-654 2 Chattanooga TN CHTGTNNSY0X  472   2020-09-11   
423-656 A Johnson City TN JHCYTNXCY0X  956      
423-656 2 Johnson City TN JHCYTNXCY0X  956   2020-09-21   
430-271 A Gladewater TX LGVWTXPLY0X  554      
430-271 2 Gladewater TX LGVWTXPLY0X  554   2019-05-16   
430-322 1 Paris TX DLLSTXRIY0X  552   2023-11-13   
430-322 8 Paris TX DLLSTXRIY0X  552   2023-11-13   
430-361 2 Whitehouse TX   554   2026-10-30   
430-382 A Gladewater TX LGVWTXPLY0X  554   2025-05-22   
430-382 0 Gladewater TX LGVWTXPLY0X  554   2025-05-22   
430-382 1 Gladewater TX LGVWTXPLY0X  554   2025-05-22   
430-382 2 Gladewater TX LGVWTXPLY0X  554   2025-05-22   
430-382 3 Gladewater TX   554   2026-10-30   
430-382 4 Gladewater TX   554   2026-10-30   

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

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