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: 6906 AMERICAN MESSAGING SERVICES, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
209-344 A Modesto CA SKTNCA01XJY  738      
213-299 A Los Angeles: DA 07 CA LSANCA039MD  730      
213-918 A Los Angeles: DA 01 CA LNBHCAXPXQX  730      
310-296 A Compton: Gardena DA CA LSANCA039MD  730      
310-610 A Compton: Gardena DA CA LSANCA039MD  730      
310-624 A Beverly Hills CA LSANCA039MD  730      
310-655 A West Los Angeles CA LSANCA039MD  730      
310-797 A El Segundo CA LSANCA01XSY  730      
310-852 A Compton: Gardena DA CA LSANCA01XSY  730      
323-280 A Los Angeles: DA 02 CA LSANCA039MD  730      
323-324 A Montebello CA LSANCA039MD  730      
323-764 A Los Angeles: DA 02 CA LSANCA039MD  730      
415-372 A San Francisco: Central DA CA SNFCCA21XUY  722      
415-414 A San Francisco: Central DA CA SNFCCA21XUY  722      
510-997 A Oakland: Main-Piedmont DA CA SNFCCA21XUY  722      
530-445 A Grass Valley: Main DA CA SCRMCA01XXY  726      
559-204 A Porterville CA FRSNCA01XNY  728      
559-208 A Fresno CA FRSNCA01XNY  728      
561-378 A Boca Raton FL WPBHFLGRX7Z  46018      
562-705 A Lakewood CA LSANCA039MD  730      
562-722 A Compton: Compton DA CA LSANCA039MD  730      
619-809 A San Diego: San Diego DA CA SNDGCA02XIZ  732      
626-326 A Arcadia CA LSANCA039MD  730      
626-717 A Alhambra CA LSANCA01XSY  730      
650-406 A Mountain View CA SNFCCA21XUY  722      
650-500 A San Carlos-Belmont CA SNFCCA21XUY  722      
661-216 A Lancaster CA LSANCA039MD  730      
661-217 A Buttonwillow CA BKFDCA11EMD  734      
661-226 A Arvin CA BKFDCA11EMD  734      
707-417 A Fairfield-Suisun CA SNFCCA21XUY  722      
714-205 A Anaheim CA LSANCA039MD  730      
714-207 A Anaheim CA LSANCA039MD  730      
714-297 A Anaheim CA LSANCA039MD  730      
760-506 A Victorville: Victorville DA CA LSANCA039MD  730      
772-657 A Vero Beach FL WPBHFLGRX7Z  46018      
805-353 A Thousand Oaks CA LSANCA039MD  730      
818-250 A Canoga Park CA LSANCA039MD  730      
818-320 A Van Nuys CA LSANCA039MD  730      
818-323 A Van Nuys CA LSANCA039MD  730      
818-413 A Van Nuys CA LSANCA01XSY  730      
818-494 A Van Nuys CA LSANCA039MD  730      
818-750 A Van Nuys CA LSANCA039MD  730      
818-820 A Canoga Park CA LSANCA039MD  730      
858-219 A San Diego: Linda Vista DA CA SNDGCA02XIZ  732      
909-209 A Riverside CA LSANCA01XSY  730      
909-564 A Ontario CA LSANCA039MD  730      
909-692 A Colton CA LSANCA039MD  730      
909-812 A Riverside CA LSANCA039MD  730      
909-857 A Colton CA LSANCA039MD  730      
916-310 A Sacramento: Main DA CA SCRMCA01XXY  726      
925-343 A Pleasanton CA SNFCCA21XUY  722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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