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
619-580 A San Diego: San Diego DA CA SNDGCA02X5Z  732      
619-604 A San Diego: San Diego DA CA SNDGCA02X5Z  732      
619-903 A San Diego: San Diego DA CA SNDGCA023KD  732      
619-910 A San Diego: San Diego DA CA SNDGCA02X5Z  732      
619-912 A San Diego: San Diego DA CA SNDGCA02X5Z  732      
619-926 A San Diego: San Diego DA CA SNDGCA02X5Z  732      
619-965 A San Diego: San Diego DA CA SNDGCA02X5Z  732      
626-647 A Pasadena: Pasadena DA CA LSANCARC80Z  730      
626-728 A El Monte CA LSANCARC80Z  730      
630-265 A La Grange IL CHCIILYACM0  358      
630-298 A La Grange IL CHCIILYACM0  358      
630-316 A La Grange IL CHCIILYACM0  358      
630-680 A La Grange IL CHCIILYACM0  358      
630-695 A Northbrook West IL CHCIILYACM0  358      
630-704 A La Grange IL CHCIILYACM0  358      
630-714 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
630-727 A La Grange IL CHCIILYACM0  358      
631-453 A Selden NY SCDLNYAN2MD  132      
636-363 A Maxville MO STLSMO05XKX  520      
636-574 A St Charles MO STLSMO05XKX  520      
650-220 A San Mateo CA SNFCCAMKX1X  722      
650-256 A South San Francisco CA SNFCCAMKX1X  722      
650-370 A Palo Alto CA SNFCCAMKX1X  722      
650-639 A San Mateo CA SNFCCAMKX1X  722      
651-339 A Twin Cities MN MNNTMN58CM0  628      
651-864 A Twin Cities MN MNNTMN58CM0  628      
651-908 A Twin Cities MN MNNTMN58CM0  628      
651-918 A Twin Cities MN MNNTMN58CM0  628      
651-966 A Twin Cities MN MNNTMN58CM0  628      
661-307 A Bakersfield: Main DA CA BKFDCA12X5X  734      
661-507 A Palmdale: Palmdale DA CA LSANCARC80Z  730      
661-517 A Delano CA BKFDCA12X5X  734      
661-966 A Palmdale: Palmdale DA CA LSANCARC80Z  730      
706-727 A Augusta GA AGSTGAMT84A  442      
707-201 A Dixon CA SCRMCA01XQY  726      
707-212 A Vacaville CA SNFCCAMKX1X  722      
707-213 A Vallejo CA SNFCCAMKX1X  722      
707-214 A Napa CA SNFCCAMKX1X  722      
707-351 A Petaluma: Main DA CA SNFCCAMKX1X  722      
707-352 A Clearlake Oaks CA SNFCCAMKX1X  722      
707-594 A Fort Bragg CA SNFCCAMKX1X  722      
707-618 A Eureka CA SNFCCAMKX1X  722      
707-973 A Santa Rosa CA SNFCCAMKX1X  722      
708-319 A La Grange IL CHCIILYACM0  358      
708-399 A La Grange IL CHCIILYACM0  358      
708-521 A La Grange IL CHCIILYACM0  358      
708-569 A Northbrook IL CHCIILYACM0  358      
708-605 A La Grange IL CHCIILYACM0  358      
708-643 A La Grange IL CHCIILYACM0  358      
708-661 A La Grange IL CHCIILYACM0  358      

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Last updated: Tue, 04 May 2021 15:04:27 UTC

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