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
956-788 9 San Benito TX   568      
970-232 A Fort Collins CO DNVRCOZJLMD  656      
970-343 A Vail CO DNVRCOMAX0X  656      
970-343 1 Vail CO   656      
970-343 6 Vail CO   656      
970-361 A Grand Junction CO GDJTCOMAEMD  656      
970-361 9 Grand Junction CO   656      
970-366 5 Glenwood Springs CO   656   2010-02-08   
970-427 A Fort Morgan CO DNVRCOMAX6Y  656      
970-439 A Steamboat Springs CO DNVRCOMA33Z  656      
970-439 9 Steamboat Springs CO   656   2006-01-12   
970-440 6 Rifle CO   656   2010-04-02   
970-452 A Aspen CO DNVRCOMA26Z  656      
970-452 6 Aspen CO   656   2016-11-17   
970-515 A Greeley CO DNVRCOZJMMD  656      
970-776 A Loveland CO DNVRCOZJLMD  656      
970-776 2 Loveland CO   656      
970-968 4 Dillon CO   656   2011-12-15   
972-244 A Plano TX IRNGTXXCLMD  552      
972-244 0 Plano TX   552      
972-244 1 Plano TX   552      
972-244 2 Plano TX   552      
972-244 5 Plano TX   552      
972-244 9 Plano TX   552      
972-246 A Dallas TX ADMSTX01DS0  552      
972-246 0 Dallas TX   552      
972-246 1 Dallas TX   552      
972-246 2 Dallas TX   552      
972-246 3 Dallas TX   552      
972-246 4 Dallas TX   552      
972-246 5 Dallas TX   552      
972-246 6 Dallas TX   552      
972-318 6 Lewisville EMS TX   552   2002-09-04   
972-332 A Allen EACS TX ADMSTX01DS0  552      
972-332 9 Allen EACS TX   552      
972-360 A Carrollton TX IRNGTXXCLMD  552      
972-360 1 Carrollton TX   552      
972-360 2 Carrollton TX   552      
972-360 5 Carrollton TX   552      
972-510 A Irving TX IRNGTXXCLMD  552      
972-510 0 Irving TX   552      
972-510 1 Irving TX   552      
972-510 2 Irving TX   552      
972-510 6 Irving TX   552      
972-531 A Plano TX ADMSTX01DS0  552      
972-649 2 Allen TX   552   2005-01-17   
972-697 A Grand Prairie TX ADMSTX01DS0  552      
972-697 0 Grand Prairie TX   552      
972-697 2 Grand Prairie TX   552      
972-697 4 Grand Prairie TX   552      

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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