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 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
770-885 A Atlanta Northeast GA MNTIGAMA1MD  438      
770-885 1 Atlanta Northeast GA   438      
770-885 4 Atlanta Northeast GA   438      
770-904 A Buford GA MNTIGAMA1MD  438      
770-904 8 Buford GA   438      
770-905 A Atlanta Northeast GA ATLNGANW2MD  438      
770-905 8 Atlanta Northeast GA   438      
770-906 A Gainesville GA MNTIGAMA3MD  438      
770-906 9 Gainesville GA   438      
770-910 A Atlanta Northeast GA ATLNGATLXCX  438      
770-910 1 Atlanta Northeast GA   438      
770-910 8 Atlanta Northeast GA   438      
770-940 A Atlanta Northeast GA MNTIGAMA1MD  438      
770-940 5 Atlanta Northeast GA   438      
770-940 8 Atlanta Northeast GA   438      
770-970 A Atlanta Northwest GA ATLNGANW2MD  438      
770-970 1 Atlanta Northwest GA   438      
770-970 2 Atlanta Northwest GA   438      
770-970 4 Atlanta Northwest GA   438      
770-970 6 Atlanta Northwest GA   438      
770-970 7 Atlanta Northwest GA   438      
770-970 8 Atlanta Northwest GA   438      
770-970 9 Atlanta Northwest GA   438      
770-990 A Atlanta Northeast GA ATLNGANW2MD  438      
770-990 1 Atlanta Northeast GA   438      
772-293 2 Fort Pierce FL   46018   2002-01-01   
772-403 4 Stuart FL   46018   2003-02-09   
772-405 2 Jensen Beach FL   46018   2002-11-30   
772-774 2 Vero Beach FL   46018   2002-12-30   
773-269 A Chicago Zone 04-Humboldt IL CHCGILCLGMD  358      
773-269 5 Chicago Zone 04-Humboldt IL   358      
773-306 A Chicago Zone 08-Prospect IL CHCGILCLGMD  358      
773-306 7 Chicago Zone 08-Prospect IL   358      
773-329 A Chicago Zone 03-Newcastle IL CHCGILCLGMD  358      
773-329 2 Chicago Zone 03-Newcastle IL   358      
773-409 A Chicago Zone 02-Irving IL CHCGILCLGMD  358      
773-409 6 Chicago Zone 02-Irving IL   358      
773-413 A Chicago Zone 05-Austin IL CHCGILCLGMD  358      
773-413 5 Chicago Zone 05-Austin IL   358      
773-823 A Chicago Zone 06-Lafayette IL CHCGILCLGMD  358      
773-823 3 Chicago Zone 06-Lafayette IL   358      
773-952 5 Chicago Zone 07-Stewart IL   358   2007-08-05   
774-213 6 Middleboro MA   128   2008-05-02   
774-226 A Taunton MA WRCSMA026MD  128      
774-226 2 Taunton MA   128   2001-08-08   
774-237 5 Harwich MA   128   2003-11-30   
774-247 A Buzzards Bay MA CMBRMA01X2Y  128      
774-247 2 Buzzards Bay MA   128      
774-324 8 Medway MA   128   2001-06-08   
774-413 3 Sagamore MA   128   2003-11-30   

<< 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 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.