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
970-450 4 Rangely CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-450 5 Rangely CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-450 7 Rangely CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-30   
970-451 A Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-451 0 Greeley CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-02-15   
970-451 1 Greeley CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-05-06   
970-451 2 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2017-04-10   
970-451 3 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2017-04-10   
970-451 4 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2017-04-10   
970-451 5 Greeley CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2016-05-16   
970-451 6 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2016-08-06   
970-451 7 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2016-08-06   
970-451 8 Greeley CO DNVRCO26XIX  073H TELNYX LLC 656   2017-03-23   
970-451 9 Greeley CO DNVRCOII0MD  6529 T-MOBILE USA, INC. 656   2017-04-10   
970-452 A Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
970-452 0 Aspen CO DNVRCO26XIX  073H TELNYX LLC 656   2017-03-23   
970-452 1 Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2019-12-19   
970-452 2 Aspen CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2018-12-03   
970-452 3 Aspen CO DNVRCO26XSX  145J TERRA NOVA TELECOM INC. 656   2022-10-07   
970-452 4 Aspen CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2017-05-18   
970-452 5 Aspen CO DNVRCO03DS1  5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO 656   2017-04-04   
970-452 6 Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2016-11-17   
970-452 7 Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2019-12-25   
970-452 8 Aspen CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2019-05-12   
970-452 9 Aspen CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2018-01-31   
970-453 A Breckenridge CO BRRGCOMADS0  9636 QWEST CORPORATION 656      
970-454 A Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-454 0 Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-454 1 Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-454 2 Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-454 3 Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-454 4 Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-454 5 Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-454 6 Eaton CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-11-11   
970-454 7 Eaton CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-01-28   
970-454 8 Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-454 9 Eaton CO EATNCOMARS1  9636 QWEST CORPORATION 656      
970-455 A Dillon CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-455 0 Dillon CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-455 1 Dillon CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
970-455 3 Dillon CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-01-11   
970-455 4 Dillon CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-455 5 Dillon CO CPMTCOMARS3  9636 QWEST CORPORATION 656   2010-01-18   
970-455 6 Dillon CO CPMTCOMARS3  9636 QWEST CORPORATION 656   2010-01-18   
970-455 7 Dillon CO CPMTCOMARS3  9636 QWEST CORPORATION 656   2010-01-18   
970-455 8 Dillon CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2013-11-30   
970-455 9 Dillon CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
970-456 A Glenwood Springs CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-456 0 Glenwood Springs CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2023-11-06   
970-456 1 Glenwood Springs CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-20   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.