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: 506J TWILIO INTERNATIONAL, INC.

<< 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 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
413-415 3 Amherst (Franklin County) MA SPFDMAWOXHX  126   2020-12-27   
413-416 3 Amherst MA SPFDMAWOXHX  126   2020-12-27   
413-423 5 Millers Falls MA SPFDMAWOXHX  126   2020-12-27   
413-440 3 Huntington MA SPFDMAWOXHX  126   2021-01-06   
413-444 3 Bernardston MA SPFDMAWOXHX  126   2020-12-27   
413-453 5 South Deerfield MA SPFDMAWOXHX  126   2020-12-27   
413-471 1 Chesterfield MA SPFDMAWOXHX  126   2020-12-27   
413-474 2 Chicopee MA SPFDMAWOXHX  126   2020-12-27   
413-477 2 Gilbertville MA SPFDMAWOXHX  126   2020-12-27   
413-496 5 Pittsfield MA SPFDMAWOXHX  126   2020-12-27   
413-500 4 Monroe Bridge MA SPFDMAWOXHX  126   2020-12-27   
413-509 3 Wilbraham MA SPFDMAWOXHX  126   2020-12-27   
413-558 3 Warren MA SPFDMAWOXHX  126   2021-01-05   
413-566 4 Hampden MA SPFDMAWOXHX  126   2020-12-27   
413-600 4 Stockbridge MA SPFDMAWOXHX  126   2020-12-27   
413-613 3 Dalton MA SPFDMAWOXHX  126   2020-12-27   
413-625 1 Shelburne Falls MA SPFDMAWOXHX  126   2020-12-27   
413-628 7 Ashfield MA SPFDMAWOXHX  126   2020-12-27   
413-631 3 Ludlow MA SPFDMAWOXHX  126   2020-12-27   
413-644 7 Great Barrington MA SPFDMAWOXHX  126   2020-12-27   
413-656 3 Montague MA SPFDMAWOXHX  126   2021-03-31   
413-666 4 Granville MA SPFDMAWOXHX  126   2020-12-27   
413-676 0 Turners Falls MA SPFDMAWOXHX  126   2020-12-27   
413-688 4 Monson MA SPFDMAWOXHX  126   2020-12-27   
413-701 4 Becket MA SPFDMAWOXHX  126   2020-12-27   
413-722 4 Conway MA SPFDMAWOXHX  126   2020-12-27   
413-759 7 East Longmeadow MA SPFDMAWOXHX  126   2020-12-27   
413-767 3 Russell MA SPFDMAWOXHX  126   2021-01-06   
413-829 3 Greenfield MA SPFDMAWOXHX  126   2020-12-27   
413-849 4 Charlemont MA SPFDMAWOXHX  126   2020-12-27   
413-875 4 Westfield MA SPFDMAWOXHX  126   2020-12-27   
413-881 7 Lenox MA SPFDMAWOXHX  126   2020-12-27   
413-884 7 Williamstown MA SPFDMAWOXHX  126   2020-12-27   
413-895 3 Adams MA SPFDMAWOXHX  126   2020-12-27   
413-935 3 Longmeadow MA SPFDMAWOXHX  126   2020-12-27   
413-937 3 Lee MA SPFDMAWOXHX  126   2020-12-27   
413-944 3 Blandford MA SPFDMAWOXHX  126   2020-12-27   
414-284 8 Milwaukee Zone 4 WI MILWWI13XWX  356   2021-06-28   
414-677 4 Milwaukee Zone 3 WI MILWWI13XWX  356   2021-06-28   
414-946 7 Milwaukee Zone 5 WI MILWWI13XWX  356   2021-06-28   
415-200 1 San Francisco: Central DA CA SNFCCAMKX5Y  722      
415-200 2 San Francisco: Central DA CA SNFCCAMKX5Y  722      
415-200 3 San Francisco: Central DA CA SNFCCAMKX5Y  722      
415-212 4 San Francisco: Central DA CA SNFCCAMKX5Y  722   2015-08-05   
415-212 5 San Francisco: Central DA CA SNFCCAMKX5Y  722   2015-08-05   
415-212 6 San Francisco: Central DA CA SNFCCAMKX5Y  722   2015-08-05   
415-212 7 San Francisco: Central DA CA SNFCCAMKX5Y  722   2015-08-05   
415-214 8 San Francisco: Central DA CA SNFCCAMKX5Y  722   2015-08-04   
415-214 9 San Francisco: Central DA CA SNFCCAMKX5Y  722   2015-08-04   
415-300 1 San Rafael CA SNFCCAMKX5Y  722      

<< 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 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.