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.

NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-540 4 Delta CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-540 5 Delta CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-540 7 Delta CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2020-12-18   
970-541 A Loveland CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
970-541 0 Loveland CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-09-04   
970-541 1 Loveland CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-02-28   
970-541 2 Loveland CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-23   
970-541 3 Loveland CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-11-17   
970-541 4 Loveland CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-12-23   
970-541 5 Loveland CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-09-01   
970-541 6 Loveland CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2010-07-30   
970-541 7 Loveland CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2010-11-15   
970-541 8 Loveland CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-08-22   
970-541 9 Loveland CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-10-06   
970-542 A Fort Morgan CO FTMRCOMADS0  9636 QWEST CORPORATION 656      
970-542 0 Fort Morgan CO FTMRCOMADS0  9636 QWEST CORPORATION 656      
970-542 1 Fort Morgan CO FTMRCOMADS0  9636 QWEST CORPORATION 656      
970-542 2 Fort Morgan CO FTMRCOMADS0  9636 QWEST CORPORATION 656      
970-542 3 Fort Morgan CO FTMRCOMADS0  9636 QWEST CORPORATION 656      
970-542 4 Fort Morgan CO FTMRCOMADS0  9636 QWEST CORPORATION 656      
970-542 5 Fort Morgan CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-07-28   
970-542 6 Fort Morgan CO FTMRCOMADS0  9636 QWEST CORPORATION 656      
970-542 7 Fort Morgan CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-11-04   
970-542 8 Fort Morgan CO DNVRCOMAGT7  588A ZIPPYTECH INCORPORATED 656   2011-04-10   
970-542 9 Fort Morgan CO FTMRCOMADS0  9636 QWEST CORPORATION 656      
970-543 A Mesa CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-543 0 Mesa CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2023-08-17   
970-543 3 Mesa CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2022-05-04   
970-543 8 Mesa CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-03-05   
970-544 A Aspen CO ASPECOMADS0  9636 QWEST CORPORATION 656      
970-545 A Windsor CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-545 0 Windsor CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-545 1 Windsor CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-545 2 Windsor CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-545 3 Windsor CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2004-08-13   
970-545 4 Windsor CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
970-545 5 Windsor CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2012-12-13   
970-545 6 Windsor CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-545 7 Windsor CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-545 8 Windsor CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-545 9 Windsor CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-546 A Delta CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-546 0 Delta CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-08-20   
970-546 1 Delta CO GDJTCOMAPMD  5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO 656   2016-10-14   
970-546 2 Delta CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-01-15   
970-546 3 Delta CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2021-09-08   
970-546 4 Delta CO DELTCOMADS1  9636 QWEST CORPORATION 656   2018-06-28   
970-546 6 Delta CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-02-18   
970-546 7 Delta CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-546 8 Delta CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   

<< 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 93 94 95 96 97 98 99 100 101 102 103 104 105 106 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.