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: 9748 AMERICAN MESSAGING SERVICES, LLC

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

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      
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      
206-608 A Seattle WA STTLWA05BMD  674      
206-609 A Seattle WA STTLWA05BMD  674      
206-610 A Seattle WA STTLWA05BMD  674      
206-699 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      
209-515 A Modesto CA SKTNCA111MD  738      
209-516 A Los Banos CA SKTNCA111MD  738      
209-517 A Tracy 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      
209-709 A Lodi 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      
213-301 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      
213-449 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      
213-579 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      

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.