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: 883K AHOI LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
940-444 1 Wichita Falls TX   548   2026-06-29   
940-587 A Iowa Park TX   548   2026-01-08   
940-587 8 Iowa Park TX   548   2026-01-08   
941-333 1 North Port FL   952   2026-06-28   
941-789 7 Boca Grande FL   93902   2026-07-31   
945-587 A Dallas TX   552   2026-01-11   
945-587 8 Dallas TX   552   2026-01-11   
947-227 4 Walled Lake MI   340   2026-05-23   
956-208 3 Roma TX   568   2026-06-29   
956-210 A Brownsville TX   568   2026-07-30   
956-210 0 Brownsville TX   568   2026-07-30   
956-409 5 Edinburg TX   568   2026-07-31   
956-864 7 Edcouch TX   568   2026-05-23   
970-251 2 Crested Butte CO   656   2026-06-27   
970-272 7 Maybell CO   656   2026-05-22   
970-338 7 Eaton CO   656   2026-05-22   
970-504 7 Carbondale CO   656   2026-05-22   
970-540 7 Delta CO   656   2026-07-31   
970-780 0 South Laramie CO   654   2026-05-22   
970-789 0 South Sidney CO   646   2026-07-31   
970-869 3 Fort Morgan CO   656   2026-05-22   
971-587 A Portland OR   672   2026-05-09   
971-587 8 Portland OR   672   2026-05-09   
978-222 4 North Reading MA   128   2026-06-26   
979-352 7 Deanville TX   570   2026-05-23   
979-378 7 Fayetteville TX   570   2026-07-31   
979-438 4 Angleton TX   560   2026-04-25   
979-468 A La Grange TX   570   2026-05-17   
979-468 4 La Grange TX   570   2026-05-17   
983-227 A Fort Lupton CO   656   2026-01-09   
983-227 4 Fort Lupton CO   656   2026-01-09   
983-900 A Denver CO   656   2026-01-04   
983-900 0 Denver CO   656   2026-01-04   
986-261 7 Kamiah ID   676   2026-07-31   
986-278 7 Emmett ID   652   2026-07-31   
989-477 7 East Tawas MI   344   2026-05-23   
989-531 7 Bay City MI   344   2026-07-31   
989-562 A Saginaw MI   344   2026-05-21   
989-562 6 Saginaw MI   344   2026-05-21   
989-946 3 Standish MI   344   2026-05-23   
989-999 2 Birch Run MI   344   2026-05-23   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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