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: 7421 AT&T - LOCAL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
270-359 A Owensboro KY OWBOKYATFMD  464      
270-359 7 Owensboro KY OWBOKYATFMD  464      
270-438 A Bowling Green KY BWLGKYATFMD  464      
270-438 1 Bowling Green KY BWLGKYATFMD  464      
270-438 4 Bowling Green KY BWLGKYATFMD  464   2007-10-20   
270-709 A Paducah KY MDVIKYQAIMD  464      
270-709 8 Paducah KY MDVIKYQAIMD  464      
272-262 A Bushkill PA SCTNPA01XXX  232      
272-262 9 Bushkill PA SCTNPA01XXX  232   2021-07-06   
272-483 A Milton PA BMBGPABLX1X  232      
272-483 9 Milton PA BMBGPABLX1X  232   2017-10-16   
281-201 A Sugar Land TX HSTNTX01DS2  560      
281-201 9 Sugar Land TX HSTNTX01DS2  560      
281-205 2 Tomball TX HSTNTX01DS3  560   2003-09-23   
281-206 A Barker TX HSTNTX01DS2  560      
281-206 9 Barker TX HSTNTX01DS2  560      
281-248 A Bammel TX HSTNTX01DS2  560      
281-248 0 Bammel TX HSTNTX01DS2  560      
281-310 A Houston Suburban TX HSTNTX01DS2  560      
281-310 2 Houston Suburban TX HSTNTX01DS2  560      
281-310 3 Houston Suburban TX HSTNTX01DS2  560      
281-310 9 Houston Suburban TX HSTNTX01DS2  560      
281-406 A Houston Suburban TX HSTNTX01DS3  560      
281-406 2 Houston Suburban TX HSTNTX01DS3  560      
281-406 9 Houston Suburban TX HSTNTX01DS3  560      
281-466 5 Spring EMS TX HSTNTX01DS2  560   2002-10-08   
281-645 7 Westfield TX HSTNTX01DS2  560   2002-03-13   
281-671 3 Satsuma TX HSTNTX01OMD  560   2002-12-10   
281-817 3 Deer Park TX HSTNTX01DS2  560   2002-01-18   
281-898 A Apollo TX HSTNTX01DS4  560      
281-898 9 Apollo TX HSTNTX01DS4  560   2002-02-28   
301-825 A Washington Zone 10 MD WASHDCSWDS8  236      
301-825 0 Washington Zone 10 MD WASHDCSWDS8  236      
302-419 A New Castle DE WLMGDE014MD  228      
302-419 2 New Castle DE WLMGDE014MD  228      
302-419 9 New Castle DE WLMGDE014MD  228      
302-439 A Holly Oak DE PHLAPAMKX9Z  228      
302-439 2 Holly Oak DE PHLAPAMKX9Z  228      
302-442 A Wilmington DE WLMGDE014MD  228      
302-442 9 Wilmington DE WLMGDE014MD  228      
302-450 A Dover DE WLMGDE014MD  228      
302-450 9 Dover DE WLMGDE014MD  228      
302-669 2 New Castle DE WLMGDE014MD  228   2009-08-20   
302-781 A Newark DE WLMGDE014MD  228      
302-781 1 Newark DE WLMGDE014MD  228      
302-800 5 New Castle DE WLMGDE014MD  228   2015-09-17   
303-262 A Denver CO DNVRCOMADS8  656      
303-923 4 Denver CO DNVRCOZJNMD  656   2002-04-30   
304-878 A Buckhannon WV WLSMWV01X2X  256      
304-878 9 Buckhannon WV WLSMWV01X2X  256      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.