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: 9748 AMERICAN MESSAGING SERVICES, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
201-237 A Rutherford NJ NWRKNJ0248Z  224      
201-718 A Hackensack NJ NWRKNJ0248Z  224      
201-980 A Rutherford NJ NWRKNJ0248Z  224      
202-474 A Washington Zone 1 DC WASHDCDP8MD  236     2023-12-24 
202-490 A Washington Zone 1 DC WASHDCDP8MD  236      
202-542 A Washington Zone 1 DC WASHDCDP8MD  236      
202-668 A Washington Zone 1 DC WASHDCDP8MD  236      
202-901 A Washington Zone 1 DC WASHDCDP8MD  236      
203-370 A New Haven CT HRFRCT0379Z  920      
203-412 A New Haven CT HRFRCT0379Z  920      
203-657 A New Haven CT HRFRCT0379Z  920      
203-766 A New Haven CT HRFRCT0379Z  920      
206-570 A Seattle WA STTLWA05BMD  674      
209-282 A Turlock CA SKTNCA111MD  738      
209-428 A Angels Camp CA SKTNCA111MD  738      
209-514 A Merced CA SKTNCA111MD  738      
209-516 A Los Banos CA SKTNCA111MD  738      
209-520 A Modesto CA SKTNCA111MD  738      
209-615 A Stockton CA SKTNCA111MD  738      
209-708 A Sonora: Main DA CA SKTNCA111MD  738      
209-987 A Stockton CA SKTNCA111MD  738      
209-995 A Stockton CA SKTNCA111MD  738      
210-203 A San Antonio TX SNANTXCA40Z  566      
210-205 A San Antonio TX SNANTXCA40Z  566      
210-217 A San Antonio TX SNANTXCA40Z  566      
210-266 A San Antonio TX SNANTXCA40Z  566      
213-230 A Los Angeles: DA 01 CA LSANCARC80Z  730      
213-307 A Los Angeles: DA 01 CA LSANCARC80Z  730      
213-391 A Los Angeles: DA 01 CA LSANCARC80Z  730      
213-496 A Los Angeles: DA 01 CA LSANCARC80Z  730      
213-499 A Los Angeles: DA 01 CA LSANCARC80Z  730      
213-501 A Los Angeles: DA 01 CA LSANCARC80Z  730      
213-508 A Los Angeles: DA 01 CA LSANCARC80Z  730      
213-708 A Los Angeles: DA 07 CA LSANCARC80Z  730      
213-899 A Los Angeles: DA 01 CA LSANCARC80Z  730      
214-314 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
214-318 A Grand Prairie TX DLLSTXRIXIZ  552      
214-332 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
214-408 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
214-410 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
214-581 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
214-582 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
214-656 A Grand Prairie TX DLLSTXRIXIZ  552      
214-657 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
214-816 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
214-961 A Grand Prairie TX DLLSTXRIXIZ  552      
214-963 A Grand Prairie EMS TX DLLSTXRIXIZ  552      
216-305 A Cleveland OH CLEVOH62X0Z  320      
216-422 A Cleveland OH CLEVOH62X0Z  320      
216-506 A Cleveland OH CLEVOH62X0Z  320      

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Last updated: Fri, 03 Nov 2023 21:02:38 UTC

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