To call Nepal from other countries:

00 + country code (977) + city code + telephone number

Example to call Pokhara: 00-977-61-421123

From North America : 011-977-61-421123

City Codes of different cities in Nepal

SN	District	Area Code	Zone
1	Illam	27	Mechi
2	Jhapa	23
3	Panchthar	24
4	Taplejung	24
5	Bhojpur	29	Koshi
6	Dhankuta	26
7	Morang	21
8	Sunsari	25
9	Sankhuwa	29
10	Terhathum	26
11	Khotang	36	Sagarmatha
12	Okhaldhunga	37
13	Saptari	31
14	Siraha	33
15	Solukhumbu	38
16	Udayapur	35
17	Dhanusa	41	Janakpur
18	Dolakha	49
19	Mohottari	44
20	Ramechha	48
21	Sarlahi	46
22	Sindhuli	47
23	Bhaktapur	1	Bagmati
24	Dhading	10
25	Kathmandu	1
26	Kavrepalanchowk	11
27	Lalitpur	1
28	Nuwakot	10
29	Rasuwa	10
30	Sindhupalchowk	11
31	Bara	53	Narayani
32	Chitwan	56
33	Makwanpur	57
34	Parsa	51
35	Rautahat	55
36	Gorkha	64	Gandaki
37	Kaski	61
38	Lamjung	66
39	Manang	66
40	Syangja	63
41	Tanahun	65
42	Baglung	68	Dhawalagiri
43	Parbat	67
44	Mustang	69
45	Myagdi	69
46	Agrghakanchi	77	Lumbini
47	GulmiI	79
48	Kapilbastu	76
49	Nawalparasi	78
50	Palpa	75
51	Rupandehi	71
52	Dang	82	Rapti
53	Pyuthan	86
54	Rolpa	86
55	Rukum	88
56	Salyan	88
57	Banke	81	Bheri
58	Bardiya	84
59	Dailekh	89
60	Jajarkot	89
61	Surkhet	83
62	Dolpa	87	Karnali
63	Humla	19
64	Jumla	87
65	Kalikot	87
66	Mugu	19
67	Achham	97	Seti
68	Bajhang	92
69	Bajura	97
70	Doti	94
71	Kailali	91
72	Baitadi	95	Mahakali
73	Dadeldhura	96
74	Darchula	93
75	Kanchanpur	99
76	VSAT	19