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
513-219 A Cincinnati OH CNCNOHAF2MD  922      
513-308 A Cincinnati OH CNCNOHAF2MD  922      
513-329 A Cincinnati OH   922   2024-03-03   
513-355 A Middletown OH DYTNOH22X3Y  328      
513-414 A Cincinnati OH CNCNOHAF2MD  922      
513-730 A Cincinnati OH CNCNOHAF2MD  922      
513-819 A Cincinnati OH CNCNOHAF2MD  922      
516-651 A Nassau Zone 6 NY SCDLNYAN2MD  132      
517-226 A Lansing MI LNNGMIMNXJY  346      
517-251 A Lansing MI LNNGMIMNXJY  346      
517-255 A Lansing MI LNNGMIMNXJY  346      
517-259 A Lansing MI LNNGMIMNXJY  346      
517-307 A Adrian MI CMPTMIIFCM0  340      
517-360 A Lansing MI LNNGMIMNXJY  346      
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      
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      
530-374 A Grass Valley: Main DA CA SCRMCA01XXY  726      
530-381 A Auburn: Main DA CA SCRMCA01XXY  726      
530-516 A Chico CA CHICCA01SMD  724      
530-851 A Oroville CA CHICCA01SMD  724      
530-890 A Placerville: West DA CA SCRMCA01XXY  726      
559-279 A Fresno CA FRSNCA01XNY  728      
559-501 A Visalia CA FRSNCA0121Z  728      
559-503 A Kingsburg CA FRSNCA01XNY  728      
559-504 A Coalinga CA FRSNCA01XNY  728      
559-506 A Hanford CA FRSNCA01XNY  728      
559-771 A Fresno CA FRSNCA01XNY  728      
561-435 A Boca Raton FL WPBHFLGRX7Z  46018      
561-456 A Boca Raton FL WPBHFLGRX7Z  46018      
561-457 A Boca Raton FL WPBHFLGRX7Z  46018      
561-458 A Boca Raton FL WPBHFLGRX7Z  46018      
561-636 A Boca Raton FL WPBHFLGRX7Z  46018      
562-255 A Long Beach CA LSANCA039MD  730      
571-433 A Washington Zone 8 VA WASHDCDP8MD  236      
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      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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