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: 575 [Rate centres in NPA 575] [Dial plan for NPA 575]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-425 9 Taos NM   5562 METROPCS, INC. 664   2016-06-18   
575-426 A Springer NM ALBQNM10X3X  516J TON80 COMMUNICATIONS, LLC 664      
575-426 0 Springer NM   515J IP HORIZON LLC 664   2022-05-26   
575-426 1 Springer NM   624H ONVOY SPECTRUM, LLC 664   2025-01-22   
575-426 3 Springer NM   516J TON80 COMMUNICATIONS, LLC 664   2022-03-16   
575-426 9 Springer NM   377H PEERLESS NETWORK OF NEW MEXICO, LLC - NM 664   2023-08-21   
575-427 A Anton Chico NM PLHLNMXADS0  2262 E.N.M.R. TEL COOP 664      
575-429 A Clayton NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      
575-429 0 Clayton NM   073H TELNYX LLC 664   2022-10-17   
575-429 2 Clayton NM   5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2021-05-12   
575-429 9 Clayton NM   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664   2015-07-30   
575-430 A Alamogordo NM ALBQNMXMAMD  6573 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 664      
575-433 A Hobbs NM HBBSNMCRDS0  3798 LEACO RURAL TELEPHONE COOPERATIVE, INC. DBA LEACO 664      
575-434 A Alamogordo NM ALMGNMMADS0  9636 QWEST CORPORATION 664      
575-436 A Playas NM ANMSNMXCDS0  2176 VALLEY TEL COOP INC 664      
575-437 A Alamogordo NM ALMGNMMADS0  9636 QWEST CORPORATION 664      
575-438 A Las Cruces NM   883K AHOI LLC 664   2026-03-02   
575-438 2 Las Cruces NM   883K AHOI LLC 664   2026-03-02   
575-439 A Alamogordo NM ALMGNMMADS0  9636 QWEST CORPORATION 664      
575-439 0 Alamogordo NM   9636 QWEST CORPORATION 664      
575-439 1 Alamogordo NM   9636 QWEST CORPORATION 664      
575-439 2 Alamogordo NM   9636 QWEST CORPORATION 664      
575-439 3 Alamogordo NM   9636 QWEST CORPORATION 664      
575-439 4 Alamogordo NM   9636 QWEST CORPORATION 664      
575-439 5 Alamogordo NM   9636 QWEST CORPORATION 664      
575-439 6 Alamogordo NM   9636 QWEST CORPORATION 664      
575-439 7 Alamogordo NM   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      
575-439 8 Alamogordo NM   9636 QWEST CORPORATION 664      
575-439 9 Alamogordo NM   9636 QWEST CORPORATION 664      
575-440 A Red River NM ALBQNMMAXKY  508J CENTURYLINK COMMUNICATIONS, LLC 664      
575-440 0 Red River NM   377H PEERLESS NETWORK OF NEW MEXICO, LLC - NM 664   2015-10-25   
575-440 1 Red River NM   206F ONVOY, LLC - NM 664   2016-04-14   
575-440 2 Red River NM   206F ONVOY, LLC - NM 664   2016-04-14   
575-440 3 Red River NM   377H PEERLESS NETWORK OF NEW MEXICO, LLC - NM 664   2020-03-20   
575-440 5 Red River NM   624H ONVOY SPECTRUM, LLC 664   2025-01-22   
575-440 6 Red River NM   206F ONVOY, LLC - NM 664   2021-03-05   
575-440 7 Red River NM   508J CENTURYLINK COMMUNICATIONS, LLC 664   2015-08-03   
575-440 8 Red River NM   206F ONVOY, LLC - NM 664   2021-03-05   
575-440 9 Red River NM   073H TELNYX LLC 664   2018-09-03   
575-441 A Hobbs NM ALBQNMMAXCY  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 664      
575-442 A Alamogordo NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664      
575-442 0 Alamogordo NM   6529 T-MOBILE USA, INC. 664   2004-06-04   
575-442 1 Alamogordo NM   6529 T-MOBILE USA, INC. 664      
575-442 2 Alamogordo NM   6529 T-MOBILE USA, INC. 664      
575-442 3 Alamogordo NM   6529 T-MOBILE USA, INC. 664      
575-442 4 Alamogordo NM   6529 T-MOBILE USA, INC. 664   2025-07-05   
575-442 5 Alamogordo NM   6529 T-MOBILE USA, INC. 664   2005-12-29   
575-442 6 Alamogordo NM   6529 T-MOBILE USA, INC. 664      
575-442 7 Alamogordo NM   145J TERRA NOVA TELECOM INC. 664   2023-12-12   
575-442 8 Alamogordo NM   6529 T-MOBILE USA, INC. 664   2004-03-25   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.