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
517-361 A Hillsdale MI LNNGMIMNXJY  346      
517-390 A Jackson MI LNNGMIMNXJY  346      
517-406 A Albion MI LNNGMIMNXJY  346      
517-407 A Jonesville MI LNNGMIMNXJY  346      
517-464 A Jackson MI LNNGMIMNXJY  346      
517-527 A Hillsdale MI LNNGMIMNXJY  346      
517-632 A Albion MI LNNGMIMNXJY  346      
517-794 A Lansing MI LNNGMIMNXJY  346      
517-804 A Fowlerville MI LNNGMIMNXJY  346      
517-973 A Charlotte MI LNNGMIMNXJY  346      
517-982 A Howell MI CMPTMIIFCM0  340      
518-349 A Albany NY ALBYNYSSXOY  134      
518-484 A Albany NY ALBYNYSSXOY  134      
518-710 A Hudson NY ALBYNYSSXOY  134      
518-748 A Glens Falls NY ALBYNYSSXOY  134      
530-371 A Woodland CA SCRMCA01XQY  726      
530-372 A Davis CA SCRMCA01XQY  726      
530-373 A Marysville CA SCRMCA01XQY  726      
530-374 A Grass Valley: Main DA CA SCRMCA01XQY  726      
530-376 A Redding CA RDNGCA025MD  724      
530-381 A Auburn: Main DA CA SCRMCA01XQY  726      
530-516 A Chico CA RDNGCA025MD  724      
530-851 A Oroville CA RDNGCA025MD  724      
530-890 A Placerville: West DA CA SCRMCA01XQY  726      
559-279 A Fresno CA FRSNCA01XJY  728      
559-501 A Visalia CA FRSNCA01XJY  728      
559-502 A Porterville CA FRSNCA01XJY  728      
559-503 A Kingsburg CA FRSNCA01XJY  728      
559-504 A Coalinga CA FRSNCA01XJY  728      
559-505 A Madera CA FRSNCA01XJY  728      
559-506 A Hanford CA FRSNCA01XJY  728      
559-508 A Chowchilla CA SKTNCA111MD  738      
559-771 A Fresno CA FRSNCA01XJY  728      
559-778 A Fresno CA FRSNCA01XJY  728      
561-435 A Boca Raton FL BCRTFLBTDS0  46018      
561-456 A Boca Raton FL BCRTFLBTDS0  46018      
561-457 A Boca Raton FL BCRTFLBTDS0  46018      
561-458 A Boca Raton FL BCRTFLBTDS0  46018      
561-636 A Boca Raton FL WPBHFLGRX7Z  46018      
561-825 A West Palm Beach FL WPBHFLGRX7Z  46018      
562-255 A Long Beach CA LSANCARC80Z  730      
573-272 A Sikeston MO STLSMO05XKX  520      
573-274 A Fulton MO STLSMO05XKX  520      
573-277 A Fredericktown MO STLSMO05XKX  520      
573-278 A Cape Girardeau MO STLSMO05XKX  520      
573-428 A Rolla MO ROLLMO050MD  520      
573-571 A St Robert MO ROLLMOXACM0  520      
573-865 A Salem MO ROLLMOXACM0  520      
586-302 A Warren MI CMPTMIIFCM0  340      
586-308 A Roseville MI CMPTMIIFCM0  340      

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

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