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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-799 5 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2024-11-10   
603-799 6 Manchester NH   5562 METROPCS, INC. 122      
603-799 7 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2024-06-10   
603-799 8 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2024-06-10   
603-799 9 Manchester NH MNCHNHCO23Z  073H TELNYX LLC 122   2024-08-08   
603-800 A Meredith NH MNCHNHCO26Z  965H FRACTEL, LLC 122      
603-800 0 Meredith NH MNCHNHCO26Z  965H FRACTEL, LLC 122   2020-01-30   
603-800 1 Meredith NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2020-01-31   
603-800 2 Meredith NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-06-06   
603-800 3 Meredith NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-11-04   
603-800 4 Meredith NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2022-02-21   
603-800 5 Meredith NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2020-09-16   
603-800 6 Meredith NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2022-05-06   
603-800 7 Meredith NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2022-06-16   
603-800 8 Meredith NH MNCHNHCO26Z  965H FRACTEL, LLC 122   2020-01-30   
603-800 9 Meredith NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2022-01-07   
603-801 A Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 0 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 1 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 2 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 3 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 4 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 5 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2003-08-03   
603-801 6 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2003-11-03   
603-801 7 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 8 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-801 9 Milford NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-802 A Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-802 0 Concord NH   939H COMMIO, LLC 122   2022-11-14   
603-802 1 Concord NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2022-11-14   
603-802 2 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-11-13   
603-802 3 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-11-13   
603-802 4 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-01   
603-802 5 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-01   
603-802 6 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-12-01   
603-802 7 Concord NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2023-07-06   
603-802 8 Concord NH MNCHNHCO23Z  073H TELNYX LLC 122   2022-11-20   
603-802 9 Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2023-02-10   
603-803 A Keene NH MNCHNHCO16Z  508J CENTURYLINK COMMUNICATIONS, LLC 122      
603-803 0 Keene NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2021-12-31   
603-803 1 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2017-08-24   
603-803 2 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2018-11-15   
603-803 3 Keene NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2019-09-02   
603-803 4 Keene NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-09-29   
603-803 5 Keene NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2021-08-02   
603-803 6 Keene NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122   2022-09-29   
603-803 7 Keene NH MNCHNHCO16Z  508J CENTURYLINK COMMUNICATIONS, LLC 122   2016-12-17   
603-803 8 Keene NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122   2020-05-02   
603-803 9 Keene NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2022-08-14   
603-804 A Dover NH MNCHNHBO2MD  490J BOOST SUBSCRIBERCO L.L.C. 122      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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