Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7421 AT&T LOCAL

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
270-438 4 Bowling Green KY   464   2007-10-20   
270-709 A Paducah KY MDVIKYQAIMD  464      
270-709 8 Paducah KY   464      
272-483 A Milton PA   232   2017-10-16   
272-483 9 Milton PA   232   2017-10-16   
276-439 5 Norton VA   244   2011-04-01   
281-201 A Sugar Land TX HSTNTX01DS2  560      
281-201 9 Sugar Land TX   560      
281-205 2 Tomball TX   560   2003-09-23   
281-206 A Barker TX HSTNTX01DS2  560      
281-206 9 Barker TX   560      
281-248 A Bammel TX HSTNTX01DS2  560      
281-248 0 Bammel TX   560      
281-310 A Houston Suburban TX HSTNTX01DS2  560      
281-310 2 Houston Suburban TX   560      
281-310 3 Houston Suburban TX   560      
281-310 9 Houston Suburban TX   560      
281-406 A Houston Suburban TX HSTNTX01DS3  560      
281-406 2 Houston Suburban TX   560      
281-406 9 Houston Suburban TX   560      
281-466 5 Spring EMS TX   560   2002-10-08   
281-645 7 Westfield EMS TX   560   2002-03-13   
281-671 3 Satsuma TX   560   2002-12-10   
281-817 3 Deer Park TX   560   2002-01-18   
281-898 A Apollo TX HSTNTX01DS4  560      
281-898 9 Apollo TX   560   2002-02-28   
301-234 2 Washington Zone 16 MD   236   2003-02-16   
301-265 4 Washington Zone 6 MD   236   2002-11-30   
301-278 4 Washington Zone 5 MD   236   2003-11-04   
301-291 2 Washington Zone 14 MD   236   2003-07-25   
301-363 6 Damascus (Hagerstown LATA) MD   240   2009-04-06   
301-803 1 Washington Zone 2 MD   236      
301-803 2 Washington Zone 2 MD   236      
301-803 3 Washington Zone 2 MD   236      
301-803 6 Washington Zone 2 MD   236      
301-810 A Buckeystown MD MNRVMDMO0MD  240      
301-810 9 Buckeystown MD   240      
301-820 A Gaithersburg MD WASHDCSWX2Z  236      
301-820 4 Gaithersburg MD   236      
301-820 6 Gaithersburg MD   236      
301-820 9 Gaithersburg MD   236      
301-821 A Laurel MD WASHDCSWDS8  236      
301-821 4 Laurel MD   236      
301-821 9 Laurel MD   236      
301-822 A Washington Zone 11 MD WASHDCSWDS8  236      
301-822 9 Washington Zone 11 MD   236      
301-823 A Washington Zone 13 MD WASHDCSWDS8  236      
301-823 9 Washington Zone 13 MD   236      
301-825 A Washington Zone 10 MD WASHDCSWDS8  236      
301-825 0 Washington Zone 10 MD   236      

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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